CN113114784A - Multifunctional computer data storage and migration device and method - Google Patents

Multifunctional computer data storage and migration device and method Download PDF

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Publication number
CN113114784A
CN113114784A CN202110476271.4A CN202110476271A CN113114784A CN 113114784 A CN113114784 A CN 113114784A CN 202110476271 A CN202110476271 A CN 202110476271A CN 113114784 A CN113114784 A CN 113114784A
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migration
data
computer
usb
mode
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CN113114784B (en
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王志宏
段启岩
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Shanxi Yunxin New Generation Information Technology Research Institute Co ltd
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Shanxi Yunxin New Generation Information Technology Research Institute Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/382—Information transfer, e.g. on bus using universal interface adapter
    • G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0042—Universal serial bus [USB]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

The invention discloses a multifunctional computer data storage and migration device and a method, wherein a data migration circuit and a multi-gear selector switch of the device are integrated on an NAS mainboard, and two USB female ports, a USB deconcentrator, memories A and B, a first Ethernet card and a second Ethernet card form the data migration circuit for data migration; the first USB female port, the first USB deconcentrator, the third and fourth Ethernet cards and the NAS mainboard form a storage circuit for backup in data migration; the two wireless migration cards are used for wireless data migration; the method comprises the steps of firstly placing a multi-gear selector switch at any one of gears of a USB (universal serial bus) shifter, an NAS + USB shifter and an NAS + wireless shifter, connecting two computers with a data migration device, determining the working mode of the computers through the pairing of migration programs, then starting data migration and backup, and finally verifying data and exporting reports after the data migration and the backup are completed. The invention has simple structure and has both NAS function and data migration function.

Description

Multifunctional computer data storage and migration device and method
Technical Field
The invention relates to the technical field of computers, in particular to a multifunctional computer data storage and migration device and method.
Background
At present, the computer industry is developed rapidly, computer equipment basically covers the aspects of daily life and office work of people, the computer technology is changed day by day, a CPU and an operating system are divided into a plurality of different technical routes, and the replacement of new equipment and old equipment is more and more frequent. The data volume stored on a computer is increasingly large, a large amount of data files on old equipment need to be migrated to new equipment in the process of equipment replacement every time, the problem of large data volume migration needs to be solved urgently, wherein the phenomena of data migration across different CPU architectures and different operating systems are increasingly large, the file system formats of the different operating systems are different, and great troubles are caused to the data migration process.
At present, the most common data migration method is to copy data of old equipment to a U disk or a mobile hard disk artificially, and then copy the data to new equipment through the U disk or the mobile hard disk, in the process, multiple file moving operations need to be performed artificially, the situations of file missing copying and repeated copying are very easy to occur in the whole process, in addition, the situation of file damage is also possible to occur in the copying process, the damaged files are very difficult to be checked out under the condition of large file quantity, in addition, file sorting needs to be performed manually aiming at different operating systems after the copying is completed, the process is complex and time-consuming, and the migration effect is not ideal.
Disclosure of Invention
In order to overcome the above problems, the present invention is directed to a multifunctional computer data storage and migration apparatus and method. The device has the functions of data storage and migration, can provide multiple working modes, can be used as a file migration device and provide private cloud service for users like NAS (network attached storage), and can also be used as a file migration device and provide file migration service for users.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multifunctional computer data storage and migration device and method comprises a shell, a data migration circuit, an NAS mainboard, a multi-gear mode selector switch, a wireless migration card and a USB extension cord, wherein the data migration circuit and the multi-gear mode selector switch are integrated on the NAS mainboard, and the NAS mainboard is arranged in the shell; the data migration circuit comprises a first USB female head, a first USB deconcentrator, a memory A for storing a source computer starting system and a migration program, a first Ethernet card, a second Ethernet card, a third Ethernet card, a memory B for storing a target computer starting system and the migration program, a second USB deconcentrator and a second USB female head, wherein a USB joint of the first USB deconcentrator is connected with the first USB female head, the memory A, the first Ethernet card and the third Ethernet card are connected on the first USB deconcentrator, a USB joint of the second USB deconcentrator is connected with the second USB female head, the second Ethernet card and the memory B are connected on the second USB deconcentrator, and the first Ethernet card is directly connected with the second Ethernet card through a network cable; the NAS mainboard is provided with a hard disk interface, a fourth Ethernet card, a fifth Ethernet card and a wireless network card, the hard disk interface is connected with the first USB deconcentrator, and the fourth Ethernet card is directly connected with the third Ethernet card through a network cable and used for synchronously backing up migration data from the source computer to the NAS mainboard in the data migration process between the source computer and the target computer; the wireless network card is used for establishing a wireless hotspot and starting a wireless routing function; the fifth Ethernet card is connected with an Ethernet port arranged on the shell; the multi-gear mode selector switch is arranged on the shell through the extension line, and different gears of the multi-gear mode selector switch are selected to control the data communication state of the first Ethernet card and the second Ethernet card, the data communication state of the third Ethernet card and the fourth Ethernet card, and the data communication state of the hard disk interface and the first USB deconcentrator; the first USB female head and the second USB female head are arranged on the shell through extension lines;
the wireless migration card comprises a source computer end and a target computer end wireless migration card, the source computer end and the target computer end wireless migration card enable the source computer end and the target computer end to carry out wireless network communication through a wireless hotspot established by connecting a wireless network card on an NAS mainboard, and data migration between the source computer and the target computer is carried out in a wireless mode;
the USB extension lines are two, one is connected with the first USB female head, and the other is connected with the second USB female head.
Further, the source computer end wireless migration card comprises a card shell C, a USB deconcentrator C, a memory C for storing a source computer starting system and a migration program, a wireless network card C and a USB male connector C extending out of the card shell C are arranged in the card shell C, a USB connector of the USB deconcentrator C is connected with the USB male connector C, and the memory C and the wireless network card C are connected to the USB deconcentrator C; the target computer end wireless migration card comprises a card shell D, wherein a USB deconcentrator D, a memory D used for storing a target computer starting system and a migration program, a wireless network card D and a USB male head D extending out of the card shell D are arranged in the card shell D, a USB joint of the USB deconcentrator D is connected with the USB male head D, and the memory D and the wireless network card D are connected to the USB deconcentrator D.
Furthermore, the multi-gear mode switch is provided with five gears, namely a USB (universal serial bus) shifter gear, an external hard disk cartridge gear, an NAS (network attached storage) gear, an NAS + USB shifter gear and an NAS + wireless shifter gear, and corresponds to different working modes of the multifunctional computer data storage and migration device.
Furthermore, when the multi-gear mode switch is located in the gear of the USB migration device, the NAS motherboard is in a power-off state, the data migration circuit is in a connected state, the multifunctional computer data storage and migration device is only used for data migration, and the operating mode of the multifunctional computer data storage and migration device is the USB migration device mode.
Furthermore, when the multi-gear mode switch is located at the external hard disk cartridge gear, the circuits of the second USB female connector and the second USB splitter are not connected, that is, the data migration circuit is not connected, the third ethernet card and the fourth ethernet card are not connected, the first USB splitter is only connected to the hard disk interface on the NAS motherboard, and the operating mode of the multifunctional computer data storage and migration apparatus is the USB hard disk cartridge mode.
Furthermore, when the multi-gear mode switch is located in an NAS gear, the NAS motherboard is in a power-on state, the circuits of the first USB female connector and the first USB splitter are in a non-connected state, the circuits of the second USB female connector and the second USB splitter are in a non-connected state, that is, the data migration circuit is in a non-connected state, the third ethernet card and the fourth ethernet card are in a non-connected state, the wireless network card, the hard disk interface, the fourth ethernet card, and the fifth ethernet interface that are arranged on the NAS motherboard are in a power-on state, the NAS motherboard and the NAS operating system running on the NAS motherboard provide NAS services, and the working mode of the multifunctional computer data storage and migration device is an NAS mode.
Furthermore, when the multi-gear mode switch is located in the gear of the NAS + USB migration device, the NAS motherboard is in a power-on state, a circuit between the hard disk interface and the first USB splitter is in a non-connected state, the third ethernet card and the fourth ethernet port are in a connected state, and the data migration circuit is in a connected state and is used for performing data migration between the source computer and the target computer in a wired manner; the NAS mainboard and the NAS operating system running on the NAS mainboard provide NAS services, and in the data migration process, the migrated data are synchronously backed up to the NAS mainboard in the data migration process through wired connection established by the third Ethernet card and the fourth Ethernet card; the working mode of the multifunctional computer data storage and migration device is an NAS + USB migration device mode.
Furthermore, when the multi-gear mode switch is located in the gear of the NAS + wireless migration device and the source computer-side wireless migration card and the target computer-side wireless migration card are used, the NAS motherboard is in a powered-on state, the data migration circuit is in a non-connected state, the third ethernet card and the fourth ethernet card are in a non-connected state, and the NAS motherboard and the NAS operating system running on the NAS motherboard provide NAS services; the wireless network card on the NAS mainboard is used for starting a wireless hotspot and providing a wireless routing function, so that the wireless network card C and the wireless network card D in the wireless migration cards of the source computer end and the target computer end are connected to the wireless hotspot started by the wireless network card on the NAS mainboard, the source computer end and the target computer end can carry out wireless communication, data migration between the source computer and the target computer is carried out in a wireless mode, and meanwhile, data in the migration process is backed up to the NAS mainboard through the wireless communication; the working mode of the multifunctional computer data storage and migration device is an NAS + wireless migration mode.
Furthermore, the two USB extension lines are double male lines, and the two USB extension lines are connected with the first USB female head and the second USB female head in a free plug-in connection mode; marks are arranged at the first USB female head and the second USB female head of the shell and are respectively used for marking a connection source computer or a connection target computer; the source computer end wireless migration card is provided with an identifier for identifying the connection with the source computer, and the target computer end wireless migration card is provided with an identifier for identifying the connection with the target computer.
Furthermore, the USB deconcentrator C, the memory C, the wireless network card C and the USB male head C are integrated on the No. 1 PCB by adopting an integrated circuit technology and are arranged in the card shell C, and the USB male head C extends out of the card shell C; the USB deconcentrator D, the memory D, the wireless network card D and the USB male head D are integrated on the 2# PCB by adopting an integrated circuit technology and are arranged in the card shell D, and the USB male head D extends out of the card shell D.
The source computer refers to a computer from which data is migrated, and the target computer refers to a computer from which data is received.
The data migration method utilizing the multifunctional computer data storage and migration device comprises the following specific steps:
the working mode of the multifunctional computer data storage and migration device is any one of a USB (universal serial bus) migration device mode, an NAS + USB migration device mode and an NAS + wireless migration device mode by switching the gears of a multi-gear mode switch, and data migration or data migration and data backup between two computers are carried out in a selected mode;
when the working mode of the multifunctional computer data storage and migration device is a USB migrator mode, the data migration method comprises the following steps:
s1, gear selection and equipment connection: the method comprises the following steps that the gears of a multi-gear mode selector switch are arranged at the gears of a USB (universal serial bus) shifter, a source computer and a target computer are not connected with a USB storage device, and the source computer and the target computer are respectively connected with a first USB female head and a second USB female head of a multifunctional computer data storage and migration device through two USB wires;
s2, migration program pairing: before data migration begins, setting a source computer and a target computer to be started through a BIOS (basic input/output System) as a USB (Universal Serial bus) flash disk, restarting the source computer and the target computer, starting a source computer end migration program on a memory A and a target computer end migration program on a memory B along with the starting of the source computer end migration program and the target computer end migration program, displaying a random connection code and a connection password on data migration interfaces of the source computer and the target computer in a waiting pairing state, and binding fixed ports of the two migration programs through a TCP (Transmission control protocol) protocol to wait for connection; then inputting a connection code and a connection password of another computer into a data migration interface of the source computer or the target computer, pairing migration programs on the two computers, establishing a stable connection channel between the source computer and the target computer through a TCP (transmission control protocol) after pairing is successful, and automatically closing a pairing state;
s3, determining the device mode: after the pairing of the two migration programs is completed, the migration programs on the two computers enter an equipment mode determining stage, and options determined by the equipment mode are displayed on data migration interfaces of the two computers; the migration program of the source computer end and the migration program of the target computer end have two working modes, namely a source computer mode and a target computer mode, wherein the migration program on the source computer should select the source computer mode, and the migration program on the target computer should select the target computer mode; when one of the computers makes a mode selection, the TCP channel established in step S2 is used to notify the other computer, and the other computer will automatically operate in another mode;
s4, data migration: after the working modes of the two migration programs are determined, a data migration stage is entered, at this time, a target computer side migration program working in a target computer mode enters a waiting state, a source computer side migration program working in a source computer mode enters a file selection state, a user selects and confirms a file to be migrated on a source computer, and then sends a migration instruction through a TCP channel established in step S2, the migration program of the source computer side automatically generates a migration list according to a data item selected by the user and sends the migration list to the migration program of the target computer side, the migration program of the target computer side analyzes the list file and stores the list file in a temporary folder for data comparison in the data migration process and the later period after receiving the list migration, and then a data migration interface on the target computer pops up a dialog box for selecting the storage position of the file, after the storage position is selected, clicking a confirmation button to start entering a data migration state, in the data migration process, verifying the integrity of each piece of data by a migration program, retransmitting files with errors in migration, and entering the next stage after all files are migrated;
s5, data verification and report export: after the data migration is completed, the migration program at the target computer end compares and verifies the data, the data which is missing and has errors in comparison is retransmitted again, and after the transmission is completed, the migration program at the target computer end derives a migration report to complete the data migration;
when the working mode of the multifunctional computer data storage and migration device is the NAS + USB migration mode, the data migration method comprises the following steps:
l1, gear selection and device connection: the method comprises the steps that the gear of a multi-gear mode selector switch is placed at the gear of an NAS + USB migration device, a working power supply of the multifunctional computer data storage and migration device is started, a source computer and a target computer are not connected with USB storage equipment, and the source computer and the target computer are respectively connected with a first USB female head and a second USB female head of the multifunctional computer data storage and migration device through two USB lines;
l2, migration program pairing: before data migration begins, setting a source computer and a target computer to be started through a BIOS (basic input/output System) as a USB (Universal Serial bus) flash disk, restarting the source computer and the target computer, starting a source computer end migration program on a memory A and a target computer end migration program on a memory B along with the starting of the source computer end migration program and the target computer end migration program, displaying a random connection code and a connection password on data migration interfaces of the source computer and the target computer in a waiting pairing state, and binding fixed ports of the two migration programs through a TCP (Transmission control protocol) protocol to wait for connection; then inputting a connection code and a connection password of another computer into a data migration interface of the source computer or the target computer, pairing migration programs on the two computers, establishing a stable connection channel between the source computer and the target computer through a TCP (transmission control protocol) after pairing is successful, and automatically closing a pairing state;
l3, device mode determination: after the pairing of the two migration programs is completed, the migration programs on the two computers enter an equipment mode determining stage, and options determined by the equipment mode are displayed on data migration interfaces of the two computers; the migration program of the source computer end and the migration program of the target computer end have two working modes, namely a source computer mode and a target computer mode, wherein the migration program on the source computer should select the source computer mode, and the migration program on the target computer should select the target computer mode; when one of the computers makes a mode selection, the TCP channel established in step L2 is used to notify the other computer, and the other computer will automatically operate in another mode;
l4, data migration and backup: after the working modes of the two migration programs are determined, a data migration stage is entered, at this time, a target computer side migration program working in a target computer mode enters a waiting state, a source computer side migration program working in a source computer mode enters a file selection state, after a user selects and confirms a file to be migrated on a source computer, a check box for synchronously backing up the file to be migrated to an NAS appears on a data migration interface, after the user checks the check box, a migration instruction is sent out through a TCP channel established in the step L2, the migration program of the source computer side can automatically generate a migration list according to a data item selected by the user and send the migration list to the migration program of the target computer side, after the migration program of the target computer side receives the migration list, the migration list file can be analyzed and stored in a temporary folder for the data migration process and the later data comparison, then, a dialog box for selecting a file storage position is popped up on a data migration interface on the target computer, after the storage position is selected, a confirmation button is clicked, a data migration state is started, in the data migration process, migration data are synchronously backed up on the NAS mainboard, meanwhile, a migration program can verify the integrity of each piece of data, the file with the migration error is retransmitted, and after all files are migrated, the next stage is started;
l5, data validation and report export: after the data migration is completed, the migration program at the target computer end compares and verifies the data, the data which is missing and has errors in comparison is retransmitted again, and after the transmission is completed, the migration program at the target computer end derives a migration report to complete the data migration;
when the working mode of the multifunctional computer data storage and migration device is the NAS + wireless migrator mode, the data migration method comprises the following steps:
m1, gear selection and device connection: the gear of the multi-gear mode change-over switch is arranged at the gear of the NAS + wireless transfer device, a working power supply of the multifunctional computer data storage and transfer device is started, the source computer and the target computer are not connected with USB storage equipment, and wireless transfer cards at the source computer end and the target computer end are respectively inserted into USB ports of the source computer and the target computer;
m2, migration program pairing: before data migration begins, setting a source computer and a target computer to be started through a BIOS (basic input/output System) as a USB (Universal Serial bus) flash disk, restarting the source computer and the target computer, starting a source computer end migration program on a memory C and a target computer end migration program on a memory D along with the starting of the source computer end migration program and the target computer end migration program, displaying a random connection code and a connection password on data migration interfaces of the source computer and the target computer in a waiting pairing state, and binding fixed ports of the two migration programs through a TCP (Transmission control protocol) protocol to wait for connection; then inputting a connection code and a connection password of another computer into a data migration interface of the source computer or the target computer, pairing migration programs on the two computers, establishing a stable connection channel between the source computer and the target computer through a TCP (transmission control protocol) after pairing is successful, and automatically closing a pairing state;
m3, device mode determination: after the pairing of the two migration programs is completed, the migration programs on the two computers enter an equipment mode determining stage, and options determined by the equipment mode are displayed on data migration interfaces of the two computers; the migration program of the source computer end and the migration program of the target computer end have two working modes, namely a source computer mode and a target computer mode, wherein the migration program on the source computer should select the source computer mode, and the migration program on the target computer should select the target computer mode; when one of the computers makes a mode selection, the TCP channel established in step M2 is used to notify the other computer, and the other computer will automatically operate in another mode;
m4, data migration and backup: after the working modes of the two migration programs are determined, a data migration stage is entered, at this time, a target computer side migration program working in a target computer mode enters a waiting state, a source computer side migration program working in a source computer mode enters a file selection state, after a user selects and confirms a file to be migrated on a source computer, a check box for synchronously backing up the file to be migrated to an NAS appears on a data migration interface, after the user checks the check box, a migration instruction is sent out through a TCP channel established in the step M2, the migration program of the source computer side can automatically generate a migration list according to a data item selected by the user and send the migration list to the migration program of the target computer side, after the migration program of the target computer side receives the migration list, the migration list file can be analyzed and stored in a temporary folder for the data migration process and the later data comparison, then, a dialog box for selecting a file storage position is popped up on a data migration interface on the target computer, after the storage position is selected, a confirmation button is clicked, a data migration state is started, in the data migration process, migration data are synchronously backed up on the NAS mainboard, meanwhile, a migration program can verify the integrity of each piece of data, the file with the migration error is retransmitted, and after all files are migrated, the next stage is started;
m5, data verification and report export: and after the data migration is finished, comparing and verifying the data by the migration program at the target computer end, retransmitting the missing and error-compared data, and after the transmission is finished, exporting a migration report by the migration program at the target computer end to finish the data migration.
Further, the migration list comprises a list of data to be migrated, a file name and an md5 value corresponding to each piece of data, and a data size; and in the data migration process, the file with the migration error is retransmitted, and the retransmission is abandoned after three transmission attempts fail.
Furthermore, after the data migration is completed, the migration program at the target computer terminal compares and verifies the migrated data according to the file list on the migration list received before the data transmission and the md5 value of each file; and the statistical information of the migration report comprises a file list of successful migration, a file list of failed migration and the data volume of migration.
Compared with the prior art, the invention has the following beneficial effects:
1. the function is abundant, and a tractor serves several purposes: the multifunctional computer data storage and migration device provided by the invention provides multiple working modes, namely has the functions of NAS and a migration device, and can be used for multiple purposes.
2. Simple and practical, stability is high: the multifunctional computer data storage and migration device is connected with two computers through USB/wireless which is familiar to users, and the two computers are internally provided with the starting system and the migration program for file migration, so that data or file migration operation can be carried out under the condition that the original operating system of the equipment is not started, the influence on file migration when the original system operates is effectively eliminated, the multifunctional computer data storage and migration device is simple to use, and the whole migration process is very stable and reliable.
3. And correspondingly resetting the file position: in the migration operation, the migration software program can automatically arrange the files and the folders migrated to the target computer correspondingly according to the storage positions of the files and the folders in the source computer, so that the storage positions of the files before and after migration are basically the same, a user can use the files according to the original storage position conveniently, and the files and the folders are convenient to search.
4. Cross-platform: the migration device supports various software and hardware platforms, and one set of migration device can complete file migration work under various platforms and scenes.
5. Can be repeatedly used: the transfer device can be repeatedly used, and one set of transfer device can finish multiple transfer works.
6. Data verification: the migration device can carry out integrity verification on data in the migration process and after the migration is finished, and can automatically carry out alarm prompt or retransmission on files with migration errors.
7. Drive-free: the invention does not need any additional program or driver installed on the computer by the user in the whole migration implementation process.
8. Remote distance: under the mode of the wireless transfer device, the invention can transfer data or files under the condition that two computers are far away, and breaks the distance limit of the USB transfer device.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a wiring diagram for the use of the present invention in the USB migration mode and in the NAS + USB migration mode.
Fig. 3 is a wiring diagram for use in the USB hard disk cartridge mode according to the present invention.
FIG. 4 is a wiring diagram for use of the present invention in NAS + wireless migrator mode.
In the figure, 1-shell, 2-multi-gear mode switch, 3-first USB female head, 4-first USB deconcentrator, 5-memory A, 6-first Ethernet card, 7-second Ethernet card, 8-third Ethernet card, 9-fourth Ethernet card, 10-fifth Ethernet card, 11-Ethernet port, 12-memory B, 13-second USB deconcentrator, 14-second USB female head, 15-mainboard NAS, 16-wireless network card, 17-hard disk interface, 18-USB extension line, 19-shell C, 20-USB deconcentrator C, 21-memory C, 22-wireless network card C, 23-USB male head C, 24-shell D, 25-USB deconcentrator D, 26-memory D, 27-wireless network card D, 28-USB male D.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples. It should be understood by those skilled in the art that the specific embodiments are only for the understanding of the present invention and should not be construed as the specific limitations of the present invention.
Example 1
As shown in fig. 1-2, a multifunctional computer data storage and migration apparatus and method includes a housing data migration circuit, an NAS motherboard 15, a multi-gear mode switch 2, a wireless migration card, and a USB extension cord 18, where the data migration circuit and the multi-gear mode switch 2 are integrated on the NAS motherboard 15, the NAS motherboard 15 is disposed in the housing 1, and the multi-gear mode switch 2 is fixed on the housing 1; the data migration circuit comprises a first USB female head 3, a first USB splitter 4, a memory A5 for storing a source computer starting system and a migration program, a first Ethernet card 6, a second Ethernet card 7, a third Ethernet card 8, a memory B12 for storing a target computer starting system and a migration program, a second USB splitter 13 and a second USB female head 14, wherein the first USB female head 3 and the second USB female head 14 are fixed on the shell 1; the USB connector of the first USB deconcentrator 4 is connected with the first USB female connector 3, the memory A5, the first Ethernet card 6 and the third Ethernet card 8 are connected on the first USB deconcentrator 4, the USB connector of the second USB deconcentrator 13 is connected with the second USB female connector 14, the second Ethernet card 7 and the memory B12 are connected on the second USB deconcentrator 13, and the first Ethernet card 6 is directly connected with the second Ethernet card 7 through a network cable; the NAS mainboard 15 is provided with a hard disk interface 17, a fourth Ethernet card 9, a fifth Ethernet card 10 and a wireless network card 16, the hard disk interface 17 is connected with the first USB deconcentrator 4, and the fourth Ethernet card 9 is directly connected with the third Ethernet card 7 through a network cable and is used for synchronously backing up migration data from the source computer to the NAS mainboard in the data migration process between the source computer and the target computer; the wireless network card 16 is used for establishing a wireless hotspot and starting a wireless routing function; the fifth ethernet card 10 is connected to an ethernet port 11 disposed on the housing 1; the data communication state of the first Ethernet card 6 and the second Ethernet card 7, the data communication state of the third Ethernet card 8 and the fourth Ethernet card 9, and the data communication state of the hard disk interface 17 and the first USB deconcentrator 4 are controlled by selecting different gears of the multi-gear mode selector switch 2;
the wireless migration card comprises a source computer end wireless migration card and a target computer end wireless migration card, wherein the source computer end wireless migration card and the target computer end wireless migration card enable the source computer end and the target computer end to carry out wireless network communication through a wireless hotspot established by connecting a wireless network card 16 on an NAS mainboard 15, and carry out data migration between the source computer and the target computer in a wireless mode;
the number of the USB extension lines 18 is two, one is connected with the first USB female connector 3, and the other is connected with the second USB female connector 14.
The source computer end wireless migration card comprises a card shell C19, a USB deconcentrator C20, a memory C21 for storing a source computer starting system and a migration program, a wireless network card C22 and a USB male head C23 extending out of the card shell C are arranged in the card shell C19, a USB joint of the USB deconcentrator C20 is connected with the USB male head C23, and the memory C21 and the wireless network card C22 are connected onto the USB deconcentrator C20; the target computer terminal wireless migration card comprises a card shell D24, wherein a USB deconcentrator D25, a memory D26 for storing a target computer starting system and a migration program, a wireless network card D27 and a USB male head D28 extending out of the card shell D are arranged in the card shell D24, a USB joint of the USB deconcentrator D25 is connected with the USB male head D28, and the memory D26 and the wireless network card D27 are connected onto the USB deconcentrator D25. The USB deconcentrator C20, the memory C21, the wireless network card C22 and the USB male connector C23 are integrated on a No. 1 PCB by adopting an integrated circuit technology, are arranged in the card shell C19 and enable the USB male connector C to extend out of the card shell C; the USB deconcentrator D25, the memory D26, the wireless network card D27 and the USB male connector D28 are integrated on a 2# PCB board by adopting an integrated circuit technology, are arranged in the card shell D24 and enable the USB male connector D to extend out of the card shell D.
The two USB extension lines 18 are both double male lines and are connected with the first USB female head 3 and the second USB female head 14 in a free plug-in connection mode; marks are arranged at the first USB female head 3 and the second USB female head 14 of the shell 1 and are respectively used for marking and connecting a source computer or a target computer; the source computer end wireless migration card is provided with an identifier for identifying the connection with the source computer, and the target computer end wireless migration card is provided with an identifier for identifying the connection with the target computer.
The source computer refers to a computer from which data is migrated, and the target computer refers to a computer from which data is received.
The invention embeds a source computer starting system and a migration program in a memory A5 of a data migration circuit and a memory C21 of a source computer end wireless migration card, and embeds a target computer starting system and a migration program in a memory B12 and a memory D26 of a target computer end wireless migration card; the source computer starting system is used for starting the source computer, the target computer starting systems are all open-source free Linux operating systems, and the migration program is used for driving the data migration circuit to perform data migration between the two computers; after the multifunctional computer data storage and migration device is connected to a source computer and a target computer through two USB extension lines 18 or a wireless migration card, the multifunctional computer data storage and migration device is set to be started from a USB flash disk in bios of the two computers, when the source computer and the target computer are started, a storage A5 or a storage C21 and a computer starting system in a storage B12 or a storage D26 are respectively started, the system binds a fixed IP address to an Ethernet card in a first deconcentrator or a second deconcentrator after the system is started, and a migration program in the storage is started at the same time.
The NAS operating system and the routing program are installed in the internal memory of the NAS motherboard 15. And the routing program establishes a wireless hotspot through a wireless network card and starts a wireless routing function.
The multi-gear mode switch 2 is provided with five gears which are respectively a USB (universal serial bus) shifter gear, an external hard disk cartridge gear, an NAS (non-access stratum) gear, an NAS + USB shifter gear and an NAS + wireless shifter gear and correspond to five different working modes of the multifunctional computer data storage and migration device. The concrete conditions of the five working modes are as follows:
1. USB migration mode (mode one)
The multi-gear mode switch 2 is in a first gear (a USB shifter gear) by default, at this time, the NAS main board 15 is in a power-off state, at this time, functional modules in the migration device are a first USB deconcentrator 4, a second USB deconcentrator 13, a first Ethernet card 6 and a second Ethernet card 7 which are connected with the first USB deconcentrator and a memory A and a memory B12 of the 5, the data migration circuit is in a connected state, the multifunctional computer data storage and migration device is only used for data migration, and the working mode of the multifunctional computer data storage and migration device is a USB shifter mode.
The data migration principle in the USB migrator mode is as follows:
two USB female heads of the migration device are respectively connected to a source computer and a target computer through two extension lines, then the two computers are set to be started from a USB flash disk in BIOS of the two computers, when the source computer and the target computer are started, computer starting systems in a memory A5 and a memory B12 are respectively arranged, after the systems are started, a fixed IP address is bound to corresponding Ethernet cards in dividers (a first divider 4 and a second divider 13) at respective ends, and after the starting systems are started, migration programs in the memories A and B are also started accordingly.
The migration program in the memory a5 of the source computer establishes a Tcp server (hereinafter referred to as a migration server) during the starting process, and the migration program in the memory B12 of the target computer establishes a Tcp client to connect to the migration server during the starting process, so that a connection is established between the two computers, and the data or file migration operation between the two computers can be completed through the connection.
In the USB migration mode, the NAS motherboard 15 cannot be started, the NAS service cannot be provided, data or file migration between the source computer and the target computer can only be completed, and migrated data or files cannot be backed up in the NAS motherboard.
2. USB hard disk box mode (mode two)
The mode of the second gear 2 (external hard disk cartridge gear) of the multi-gear mode switch is a USB hard disk cartridge mode, the circuits of the second USB female head 14 and the second USB deconcentrator 13 are not communicated, namely, the data migration circuit is not communicated, the third Ethernet card 8 and the fourth Ethernet card 9 are not communicated, the first USB deconcentrator 4 is only communicated with the hard disk interface 17 on the NAS mainboard 15, and the working mode of the multifunctional computer data storage and migration device is the USB hard disk cartridge mode.
Under the mode of the USB hard disk cartridge, the first USB female head 3 of the source computer end is connected with the computer through a double male USB extension cord 18, the computer can read and write the hard disk inside the NAS mainboard 15, and at the moment, the migration device is equivalent to a hard disk cartridge.
In this mode, access to the internal hard disk of the NAS motherboard 15 by the external device can only be completed, and the NAS service and the data or file migration service cannot be provided.
3. NAS mode (mode three)
The mode corresponding to the third gear (NAS gear) of the multi-gear mode switch 2 is an NAS mode, the NAS motherboard 15 is in a powered state, the circuits of the first USB female connector 3 and the first USB splitter 4 are in a non-connected state, the circuits of the second USB female connector 14 and the second USB splitter 13 are in a non-connected state, that is, the data migration circuit is in a non-connected state, the third ethernet card 8 and the fourth ethernet card 9 are in a non-connected state, the wireless network card 16, the hard disk interface 17, the fourth ethernet card 9 and the fifth ethernet port 10 arranged on the NAS motherboard 15 are in an open state, the NAS motherboard 15 and the NAS operating system running thereon provide services, and the NAS mode of the multifunctional computer data storage and migration apparatus is an NAS mode.
In this mode, the migration apparatus will start the NAS operating system and provide the NAS function and the wireless routing function, and the user can connect to the NAS motherboard in the migration apparatus in various ways.
The network mode of the NAS mainboard has three types:
firstly, connecting to a user local area network in a wired mode, and establishing a hotspot sharing network (a default mode) through a wireless network card;
connecting to a user local area network through a wireless network card and simultaneously establishing a wireless hotspot to share the network (the user needs to configure through an NAS client after connecting to the NAS);
and thirdly, the user local area network is not connected, and only the wireless network is started, so that a closed network which is not connected with the user network is formed.
In the default condition, the NAS operation system detects wired connection after being started, the NAS defaults to set the network mode to be the mode (i) in the presence of wired connection, and defaults to set the network mode to be the mode (iii) in the absence of wired connection.
Users can connect to NAS in two ways: firstly, a computer of a user is accessed to the same local area network of the NAS; and secondly, accessing the computer of the user into the NAS-started wireless network, and after the computer of the user is connected to the NAS, using the function of the NAS through the NAS client and configuring the NAS.
This mode provides only NAS services and wireless routing functionality, and does not provide file migration services.
4. NAS + USB migration mode (mode four)
The mode corresponding to the fourth gear (NAS + USB migration gear) of the multi-gear mode switch 2 is an NAS + USB migration mode, the NAS motherboard 15 is in a power-on state, the circuit between the hard disk interface 17 and the first USB splitter 4 is in a non-connected state, the third ethernet card 8 and the fourth ethernet port 9 are in a connected state, and the data migration circuit is in a connected state and is used for performing data migration between the source computer and the target computer in a wired manner; the NAS motherboard 15 and the NAS operating system running thereon provide NAS services, and in the data migration process, the migrated data is synchronously backed up to the NAS motherboard 15 in the data migration process through the wired connection established by the third ethernet card 8 and the fourth ethernet card 9; the working mode of the multifunctional computer data storage and migration device is an NAS + USB migration device mode.
In this mode, the NAS operating system starts and provides NAS services after the NAS motherboard 15 is powered on, and in addition, the NAS operating system starts a NAS migration server program, and the main function of the program in this mode is to receive and store a backup sent by the migration program of the source computer during the migration process by the NAS.
In this mode, the source computer may be directly connected to the fourth ethernet card 9 on the NAS motherboard 15 through the third ethernet card 8 connected to the first USB splitter 4, the connection mode between the NAS motherboard 15 and the source computer and the target computer, and the working mode and mode of the migration program in the memories a5 and B12 are substantially the same, the only difference is the starting process of the migration program at the source computer side, the source computer program in this mode establishes a connection with the migration server program at the NAS side in a wired connection manner in addition to the Tcp server, and through this connection, data or files to be migrated can be backed up on the motherboard 15, and the transmission process and storage of the entire backup file are encrypted NAS.
In this mode, the NAS motherboard 15 is started, NAS services can be provided, data or file migration between the source computer and the target computer can be completed, and migrated files can be backed up in the NAS motherboard.
5. NAS + Wireless migration mode (mode five)
The mode corresponding to the fifth gear (NAS + wireless migration device gear) of the multi-gear mode switch 2 is an NAS + wireless migration device mode, when a source computer-side wireless migration card and a target computer-side wireless migration card are used at the same time, the NAS motherboard 15 is in a powered-on state, the data migration circuit is in a non-powered-on state, the third ethernet card 8 and the fourth ethernet card 9 are in a non-powered-on state, and the NAS motherboard 15 and an NAS operating system running thereon provide NAS services; at this time, the wireless network card 16 on the NAS motherboard 15 is used to open a wireless hotspot and provide a wireless routing function, so that the wireless network card C22 and the wireless network card D27 in the wireless migration cards of the source computer end and the target computer end are connected to the wireless hotspot opened by the wireless network card 16 on the NAS motherboard 15, the source computer end and the target computer end can perform wireless communication, perform data migration between the source computer and the target computer in a wireless manner, and simultaneously backup data in the migration process to the NAS motherboard 15 through wireless communication; the working mode of the multifunctional computer data storage and migration device is an NAS + wireless migration mode.
In this mode, the NAS operating system starts and provides NAS services after the NAS motherboard is powered on, and in addition, the NAS motherboard 15 starts a NAS migration server program, which has two main functions in this mode: firstly, switching a wireless network card 16 on an NAS mainboard to a wireless migration mode, and establishing a wireless hotspot for connecting a wireless migration card; and secondly, receiving and storing the backup sent by the program of the source computer terminal in the migration process based on NAS encryption, wherein the mode can finish the data or file migration operation between the source computer and the target computer only by matching two wireless migration cards.
After the NAS end migration server program is started, the working state of a wireless network card 16 on an NAS mainboard 15 is switched, a hidden wireless hotspot special for connecting a source computer and a target computer end wireless migration card is established through the wireless network card, at the moment, two wireless migration cards are respectively connected to the source computer and the target computer, then the wireless migration cards are set to be started from a U disk in BIOS of the two computers, when the source computer and the target computer are started, starting systems in memories C21 and 26D in the wireless migration cards at the source computer end and the target computer end are respectively started, after the systems are started, the wireless hotspots just established in the migration devices are connected through the wireless network cards C22 and D27 in the wireless migration cards, fixed IP addresses are bound to the wireless network cards C22 and D27, and then, the migration programs in the memories of the two wireless migration cards are started at the same time, the starting process and the connection architecture are the same as those of the second mode, and the difference is that the two computers and the NAS mainboard in the second mode are wirelessly interconnected.
The mode starts the NAS motherboard 15, and can provide NAS services, and the mode can complete data or file migration between two computers, backup the migrated data or file in the NAS motherboard 15, and perform file migration operation when the two computers are far away, and has higher flexibility compared to the mode one and the mode two.
Example 2
The data migration method utilizing the multifunctional computer data storage and migration device comprises the following specific steps:
the working mode of the multifunctional computer data storage and migration device is any one of a USB (universal serial bus) migration device mode, an NAS + USB migration device mode and an NAS + wireless migration device mode by switching the gears of a multi-gear mode switch, and data migration or data migration and data backup between two computers are carried out in a selected mode;
when the working mode of the multifunctional computer data storage and migration device is a USB migrator mode, the data migration method comprises the following steps:
s1, gear selection and equipment connection: the gear of a multi-gear mode selector switch 2 is arranged at the gear of a USB (universal serial bus) shifter, a source computer and a target computer are not connected with a USB storage device, and the source computer and the target computer are respectively connected with a first USB female head 3 and a second USB female head 14 of a multifunctional computer data storage and migration device through two USB wires;
s2, migration program pairing: before data migration begins, setting a source computer and a target computer to be started through a USB flash disk respectively, then restarting the source computer and the target computer, starting a source computer side migration program on a storage A5 and a target computer side migration program on a storage B12, and displaying a random connection code and a connection password on data migration interfaces of the source computer and the target computer in a waiting pairing state, wherein the two migration programs are bound with a fixed port through a TCP protocol and wait for connection; then inputting a connection code and a connection password of another computer into a data migration interface of the source computer or the target computer, pairing migration programs on the two computers, establishing a stable connection channel between the source computer and the target computer through a TCP (transmission control protocol) after pairing is successful, and automatically closing a pairing state;
s3, determining the device mode: after the pairing of the two migration programs is completed, the migration programs on the two computers enter an equipment mode determining stage, and options determined by the equipment mode are displayed on data migration interfaces of the two computers; the migration program of the source computer end and the migration program of the target computer end have two working modes, namely a source computer mode and a target computer mode, wherein the migration program on the source computer should select the source computer mode, and the migration program on the target computer should select the target computer mode; when one of the computers makes a mode selection, the TCP channel established in step S2 is used to notify the other computer, and the other computer will automatically operate in another mode;
s4, data migration: after the working modes of the two migration programs are determined, a data migration stage is entered, at this time, a target computer side migration program working in a target computer mode enters a waiting state, a source computer side migration program working in a source computer mode enters a file selection state, a user selects and confirms a file to be migrated on a source computer, and then sends a migration instruction through a TCP channel established in step S2, the migration program of the source computer side automatically generates a migration list according to a data item selected by the user and sends the migration list to the migration program of the target computer side, the migration program of the target computer side analyzes the list file and stores the list file in a temporary folder for data comparison in the data migration process and the later period after receiving the list migration, and then a data migration interface on the target computer pops up a dialog box for selecting the storage position of the file, after the storage position is selected, clicking a confirmation button to start entering a data migration state, in the data migration process, verifying the integrity of each piece of data by a migration program, retransmitting files with errors in migration, and entering the next stage after all files are migrated;
s5, data verification and report export: and after the data migration is finished, comparing and verifying the data by the migration program at the target computer end, retransmitting the missing and error-compared data, and after the transmission is finished, exporting a migration report by the migration program at the target computer end to finish the data migration.
When the working mode of the multifunctional computer data storage and migration device is the NAS + USB migration mode, the data migration method comprises the following steps:
l1, gear selection and device connection: the gear of the multi-gear mode selector switch 2 is placed in the gear of the NAS + USB migrator, a working power supply of the multifunctional computer data storage and migration device is started, the source computer and the target computer are not connected with USB storage equipment, and the source computer and the target computer are respectively connected with a first USB female head 3 and a second USB female head 14 of the multifunctional computer data storage and migration device through two USB lines;
l2, migration program pairing: before data migration begins, setting a source computer and a target computer to be started through a USB flash disk respectively, then restarting the source computer and the target computer, starting a source computer side migration program on a storage A5 and a target computer side migration program on a storage B12, and displaying a random connection code and a connection password on data migration interfaces of the source computer and the target computer in a waiting pairing state, wherein the two migration programs are bound with a fixed port through a TCP protocol and wait for connection; then inputting a connection code and a connection password of another computer into a data migration interface of the source computer or the target computer, pairing migration programs on the two computers, establishing a stable connection channel between the source computer and the target computer through a TCP (transmission control protocol) after pairing is successful, and automatically closing a pairing state;
l3, device mode determination: after the pairing of the two migration programs is completed, the migration programs on the two computers enter an equipment mode determining stage, and options determined by the equipment mode are displayed on data migration interfaces of the two computers; the migration program of the source computer end and the migration program of the target computer end have two working modes, namely a source computer mode and a target computer mode, wherein the migration program on the source computer should select the source computer mode, and the migration program on the target computer should select the target computer mode; when one of the computers makes a mode selection, the TCP channel established in step L2 is used to notify the other computer, and the other computer will automatically operate in another mode;
l4, data migration and backup: after the working modes of the two migration programs are determined, a data migration stage is entered, at this time, a target computer side migration program working in a target computer mode enters a waiting state, a source computer side migration program working in a source computer mode enters a file selection state, after a user selects and confirms a file to be migrated on a source computer, a check box for synchronously backing up the file to be migrated to an NAS appears on a data migration interface, after the user checks the check box, a migration instruction is sent out through a TCP channel established in the step L2, the migration program of the source computer side can automatically generate a migration list according to a data item selected by the user and send the migration list to the migration program of the target computer side, after the migration program of the target computer side receives the migration list, the migration list file can be analyzed and stored in a temporary folder for the data migration process and the later data comparison, then, a dialog box for selecting a file storage position is popped up on a data migration interface on the target computer, after the storage position is selected, a confirmation button is clicked, a data migration state is started, in the data migration process, migration data are synchronously backed up on the NAS main board 15, meanwhile, a migration program can verify the integrity of each piece of data, the file with the migration error is retransmitted, and after all files are migrated, the next stage is started;
l5, data validation and report export: and after the data migration is finished, comparing and verifying the data by the migration program at the target computer end, retransmitting the missing and error-compared data, and after the transmission is finished, exporting a migration report by the migration program at the target computer end to finish the data migration.
When the working mode of the multifunctional computer data storage and migration device is the NAS + wireless migrator mode, the data migration method comprises the following steps:
m1, gear selection and device connection: the gear of the multi-gear mode change-over switch 2 is arranged at the gear of the NAS + wireless transfer device, a working power supply of the multifunctional computer data storage and transfer device is started, the source computer and the target computer are not connected with USB storage equipment, and wireless transfer cards at the source computer end and the target computer end are respectively inserted into USB ports of the source computer and the target computer;
m2, migration program pairing: before data migration begins, setting a source computer and a target computer to be started through a BIOS (basic input/output System) as a USB (Universal Serial bus) flash disk, restarting the source computer and the target computer, starting a source computer side migration program in a memory C20 and a target computer side migration program in a memory D26, displaying a random connection code and a connection password on data migration interfaces of the source computer and the target computer in a waiting pairing state, and binding the two migration programs with fixed ports through a TCP (Transmission control protocol) protocol to wait for connection; then inputting a connection code and a connection password of another computer into a data migration interface of the source computer or the target computer, pairing migration programs on the two computers, establishing a stable connection channel between the source computer and the target computer through a TCP (transmission control protocol) after pairing is successful, and automatically closing a pairing state;
m3, device mode determination: after the pairing of the two migration programs is completed, the migration programs on the two computers enter an equipment mode determining stage, and options determined by the equipment mode are displayed on data migration interfaces of the two computers; the migration program of the source computer end and the migration program of the target computer end have two working modes, namely a source computer mode and a target computer mode, wherein the migration program on the source computer should select the source computer mode, and the migration program on the target computer should select the target computer mode; when one of the computers makes a mode selection, the TCP channel established in step M2 is used to notify the other computer, and the other computer will automatically operate in another mode;
m4, data migration and backup: after the working modes of the two migration programs are determined, a data migration stage is entered, at this time, a target computer side migration program working in a target computer mode enters a waiting state, a source computer side migration program working in a source computer mode enters a file selection state, after a user selects and confirms a file to be migrated on a source computer, a check box for synchronously backing up the file to be migrated to an NAS appears on a data migration interface, after the user checks the check box, a migration instruction is sent out through a TCP channel established in the step M2, the migration program of the source computer side can automatically generate a migration list according to a data item selected by the user and send the migration list to the migration program of the target computer side, after the migration program of the target computer side receives the migration list, the migration list file can be analyzed and stored in a temporary folder for the data migration process and the later data comparison, then, a dialog box for selecting a file storage position is popped up on a data migration interface on the target computer, after the storage position is selected, a confirmation button is clicked, a data migration state is started, in the data migration process, migration data are synchronously backed up on the NAS main board 15, meanwhile, a migration program can verify the integrity of each piece of data, the file with the migration error is retransmitted, and after all files are migrated, the next stage is started;
m5, data verification and report export: and after the data migration is finished, comparing and verifying the data by the migration program at the target computer end, retransmitting the missing and error-compared data, and after the transmission is finished, exporting a migration report by the migration program at the target computer end to finish the data migration.
The migration list comprises a list of data to be migrated, a file name and an md5 value corresponding to each piece of data, and the size of the data; and in the data migration process, the file with the migration error is retransmitted, and the retransmission is abandoned after three transmission attempts fail.
After the data migration is completed, the migration program at the target computer terminal compares and verifies the migrated data according to the file list on the migration list received before the data transmission and the md5 value of each file; and the statistical information of the migration report comprises a file list of successful migration, a file list of failed migration and the data volume of migration.
The method for using the multifunctional computer data storage and migration device in the five working modes is as follows.
The multifunctional computer data storage and migration device corresponds to five operation modes by selecting one, two, three, four and five gears of the multi-gear mode selector switch, and the data migration method of the five modes is explained below one by one.
1. USB migration mode (mode one)
(1) Preparing a multifunctional computer data storage and migration device and two computers to be subjected to data migration (assuming that a target computer is PC-A and a source computer is PC-B), ensuring that all USB storage equipment connected with the PC-A and the PC-B are unplugged, then respectively connecting the PC-A and the PC-B to corresponding end USB female heads of the multifunctional computer data storage and migration device through two USB extension lines 18, switching the mode of the migration device to a USB migrator mode through a multi-gear mode switch 2, and connecting the migration device and the two computers as shown in FIG. 2;
(2) setting the PC-A as a USB flash disk for starting: pressing the power button of the PC-A, then pressing DEL key (F2 key in part of the machine) on the keyboard of the PC-A to enter BIOS, setting the PC-A to start from the USB flash disk, and then restarting the PC-A;
(3) setting the PC-B as a USB flash disk for starting: in the same step (3), setting the disk PC-B as a slave USB flash disk to be started, and restarting the PC-B;
(4) at the moment, the two computers respectively start the starting system on the internal memory A of the migration device, after the starting system is successfully started, an operation interface of a client program appears on the host machines of the two computers, the pairing operation and the mode selection operation of the migration program on the two computers are completed on the interface, the migration program on the PC-A is set to be in a target machine mode, and the migration program on the PC-B is set to be in a source machine mode;
(5) at the moment, a migration program on a PC-B (source computer) enters a file selection state, the migration program defaults to help a user select a file to be migrated (defaults to full-disk migration), the user can also selectively check the file to be migrated according to own will, and after all settings are finished, a 'start migration' button is clicked in a client program on the PC-B, at the moment, the client program on the PC-A (target computer) pops up a migration confirmation dialog box, and after the user clicks the 'confirmation start' button and selects the storage position of the migrated file on the target computer, the two computers start a full-automatic migration process;
(6) the whole migration process is full-automatic, a user does not need to be attended during the period, after the file migration is completed, the migration program can automatically carry out integrity check on all files and retransmit the file with the error, and after the whole process is completed, the client programs on the PC-A and the PC-B can derive a migration report form in which detailed information about the current migration is displayed.
(7) The whole migration process is completed, and then after the PC-A and the PC-B are shut down and the USB extension cord 18 connected with the migration device is pulled out, the original system in the computer can be normally used after the PC-A and the PC-B are restarted.
2. USB hard disk box mode (mode two)
(1) Preparing a multifunctional computer data storage and migration device and a computer (assumed as PC-A) for reading the NAS hard disk, switching the mode of the migration device to a USB hard disk box mode through a multi-gear mode switch 2, turning on the power supply of the PC-A, and then connecting a source computer end of the migration device and the PC-A through a USB extension line, wherein the connection between the migration device and the computer is shown in FIG. 3;
(2) at the moment, the PC-A can read and write the hard disk on the NAS mainboard, after the operation is finished, the NAS hard disk is popped up in the PC-A, and then the USB extension line between the PC-A and the migration device is pulled out.
3. NAS mode (mode three)
(1) After the migration device is connected to a power supply, the mode of the migration device is switched to the NAS mode through the multi-gear mode switch 2, at the moment, an NAS mainboard in the migration device is powered on and runs an NAS operating system, after the running is completed, a routing program establishes a wireless hotspot through a wireless network card 16 on the NAS mainboard, and a wireless routing function is started;
(2) connecting a computer of a user and a migration device to the same local area network or connecting a wireless hotspot started by the migration device;
(3) the NAS client program is opened on a computer of a user, at the moment, the NAS client program can automatically scan NAS services started by an NAS mainboard, and after the NAS services are successfully scanned, a connection button is clicked to be connected to the NAS mainboard 15;
(4) at this time, the computer of the user is already connected with the NAS motherboard 15 of the migration apparatus, and the NAS user can log in the NAS by inputting an account password (if the connection is first made, the NAS prompts the user to set a login account and a password);
(5) after logging in to the NAS, the user can access the NAS through the NAS client program, and can also modify the network mode and other configurations of the NAS.
4. NAS + USB migration mode (mode four)
(1) Preparing a multifunctional computer data storage and migration device, a source computer and a target computer (assuming that the target computer is PC-A and the source computer is PC-B) to be subjected to data migration, ensuring that all USB storage equipment connected with the PC-A and the PC-B are unplugged, then respectively connecting the PC-A and the PC-B to corresponding end USB female heads of the multifunctional computer data storage and migration device through two USB extension lines 18, switching the mode to an NAS + USB migration device mode through a multi-gear mode switch 2, and connecting the multifunctional computer data storage and migration device and the computer as shown in FIG. 2;
(2) step (2) in the same mode I;
(3) step (3) in the same mode I;
(4) step (4) in the same mode I;
(5) at the moment, a migration program on a PC-B (source computer) enters a file selection state, the migration program defaults to help a user select a file to be migrated (default is full-disk migration), the user can also selectively check the file to be migrated according to own will, click the next step after selecting the file, a check box with the function of synchronously backing up the file to be migrated to an NAS appears on an interface at the moment, the user can check the check box according to own will, after all settings are finished, click a 'start migration' button in a client program on the PC-B (source computer), at the moment, a client program on the PC-A (target computer) pops up a migration confirmation dialog box, and after the user clicks the 'confirm start' button and selects the storage position of the migrated file on the target computer, the two computers start the full-automatic migration process;
(6) step (6) in the same mode I;
(7) step (7) of the same mode one.
5. NAS + Wireless migration mode (mode five)
(1) Preparing a multifunctional computer data storage and migration device, a source computer and a target computer (assuming that the target computer is PC-A and the source computer is PC-B) to be subjected to data migration, ensuring that all USB storage equipment connected with the PC-A and the PC-B are unplugged, then inserting a wireless migration card into the corresponding source computer and the target computer, switching the multifunctional computer data storage and migration device to an NAS + wireless migration device mode through a multi-gear mode switch 2, and connecting the wireless migration card, the computer and the migration device as shown in FIG. 4;
(2) step (2) in the same mode I;
(2) step (2) in the same mode I;
(3) step (3) in the same mode I;
(4) step (4) in the same mode I;
(5) step (5) in the same mode as the fourth step;
(6) step (6) in the same mode I;
(7) step (7) of the same mode one.

Claims (13)

1. A multifunctional computer data storage and migration device is characterized in that: the NAS type wireless power supply comprises a shell, a data migration circuit, an NAS mainboard, a multi-gear mode selector switch, a wireless migration card and a USB extension cord, wherein the data migration circuit and the multi-gear mode selector switch are integrated on the NAS mainboard; the data migration circuit comprises a first USB female head, a first USB deconcentrator, a memory A for storing a starting system and a migration program of a source computer, a first Ethernet card, a second Ethernet card, a third Ethernet card, a memory B for storing a starting system and a migration program of a target computer, a second USB deconcentrator and a second USB female head, wherein the first USB female head and the second USB female head are fixed on the shell; the USB joint of the first USB deconcentrator is connected with a first USB female head, the memory A, the first Ethernet card and the third Ethernet card are connected on the first USB deconcentrator, the USB joint of the second USB deconcentrator is connected with a second USB female head, the second Ethernet card and the memory B are connected on the second USB deconcentrator, and the first Ethernet card is directly connected with the second Ethernet card through a network cable; the NAS mainboard is provided with a hard disk interface, a fourth Ethernet card, a fifth Ethernet card and a wireless network card, the hard disk interface is connected with the first USB deconcentrator, and the fourth Ethernet card is directly connected with the third Ethernet card through a network cable and used for synchronously backing up migration data from the source computer to the NAS mainboard in the data migration process between the source computer and the target computer; the wireless network card is used for establishing a wireless hotspot and starting a wireless routing function; the fifth Ethernet card is connected with an Ethernet port arranged on the shell; the data communication state of the first Ethernet card and the second Ethernet card, the data communication state of the third Ethernet card and the fourth Ethernet card and the data communication state of the hard disk interface and the first USB deconcentrator are controlled by selecting different gears of the multi-gear mode selector switch;
the wireless migration card comprises a source computer end and a target computer end wireless migration card, the source computer end and the target computer end wireless migration card enable the source computer end and the target computer end to carry out wireless network communication through a wireless hotspot established by connecting a wireless network card on an NAS mainboard, and data migration between the source computer and the target computer is carried out in a wireless mode;
the USB extension lines are two, one is connected with the first USB female head, and the other is connected with the second USB female head.
2. The multifunctional computer data storage and migration apparatus of claim 1, wherein: the source computer end wireless migration card comprises a card shell C, wherein a USB deconcentrator C, a memory C for storing a source computer starting system and a migration program, a wireless network card C and a USB male head C extending out of the card shell C are arranged in the card shell C, a USB joint of the USB deconcentrator C is connected with the USB male head C, and the memory C and the wireless network card C are connected to the USB deconcentrator C; the target computer end wireless migration card comprises a card shell D, wherein a USB deconcentrator D, a memory D used for storing a target computer starting system and a migration program, a wireless network card D and a USB male head D extending out of the card shell D are arranged in the card shell D, a USB joint of the USB deconcentrator D is connected with the USB male head D, and the memory D and the wireless network card D are connected to the USB deconcentrator D.
3. The multifunctional computer data storage and migration apparatus of claim 2, wherein: the multi-gear mode switch is provided with five gears which are respectively a USB (universal serial bus) shifter gear, an external hard disk cartridge gear, an NAS (non-access stratum) gear, an NAS + USB shifter gear and an NAS + wireless shifter gear and correspond to different working modes of the multifunctional computer data storage and migration device.
4. A multi-function computer data storage and migration apparatus, according to claim 3, wherein: when the multi-gear mode switch is located at the gear of the USB migrator, the NAS mainboard is in a power-off state, the data migration circuit is in a connected state, the multifunctional computer data storage and migration device is only used for data migration, and the working mode of the multifunctional computer data storage and migration device is a USB migrator mode.
5. A multi-function computer data storage and migration apparatus, according to claim 3, wherein: when the multi-gear mode switch is located at the gear of the external hard disk cartridge, the circuits of the second USB female connector and the second USB deconcentrator are in a non-communicated state, namely the data migration circuit is in a non-communicated state, the third Ethernet card and the fourth Ethernet card are in a non-communicated state, the first USB deconcentrator is only in a communicated state with the hard disk interface on the NAS mainboard, and the working mode of the multifunctional computer data storage and migration device is a USB hard disk cartridge mode.
6. A multi-function computer data storage and migration apparatus, according to claim 3, wherein: when the multi-gear mode switch is located at an NAS gear, the NAS mainboard is in a power-on state, circuits of the first USB female connector and the first USB deconcentrator are in a non-connected state, circuits of the second USB female connector and the second USB deconcentrator are in a non-connected state, namely the data migration circuit is in a non-connected state, the third Ethernet card and the fourth Ethernet card are in a non-connected state, a wireless network card, a hard disk interface, a fourth Ethernet card and a fifth Ethernet interface which are arranged on the NAS mainboard are in a power-on state, the NAS mainboard and an NAS operating system running on the NAS mainboard provide NAS services, and the working mode of the multifunctional computer data storage and migration device is an NAS mode.
7. A multi-function computer data storage and migration apparatus, according to claim 3, wherein: when the multi-gear mode switch is located at the gear of the NAS + USB migration device, the NAS mainboard is in a power-on state, a circuit between the hard disk interface and the first USB deconcentrator is in a non-communication state, the third Ethernet card and the fourth Ethernet interface are in a communication state, and the data migration circuit is in a communication state and is used for performing data migration between the source computer and the target computer in a wired mode; the NAS mainboard and the NAS operating system running on the NAS mainboard provide NAS services, and in the data migration process, the migrated data are synchronously backed up to the NAS mainboard in the data migration process through wired connection established by the third Ethernet card and the fourth Ethernet card; the working mode of the multifunctional computer data storage and migration device is an NAS + USB migration device mode.
8. A multi-function computer data storage and migration apparatus, according to claim 3, wherein: when the multi-gear mode switch is located in the gear of the NAS + wireless migration device and a source computer-side wireless migration card and a target computer-side wireless migration card are used, the NAS mainboard is in a powered-on state, the data migration circuit is in a non-connected state, the third Ethernet card and the fourth Ethernet card are in a non-connected state, and the NAS mainboard and an NAS operating system running on the NAS mainboard provide NAS services; the wireless network card on the NAS mainboard is used for starting a wireless hotspot and providing a wireless routing function, so that the wireless network card C and the wireless network card D in the wireless migration cards of the source computer end and the target computer end are connected to the wireless hotspot started by the wireless network card on the NAS mainboard, the source computer end and the target computer end carry out wireless communication, data migration between the source computer and the target computer is carried out in a wireless mode, and meanwhile, data in the migration process are backed up to the NAS mainboard through wireless communication; the working mode of the multifunctional computer data storage and migration device is an NAS + wireless migration mode.
9. The multifunctional computer data storage and migration apparatus of claim 2, wherein: the two USB extension lines are double male lines and are connected with the first USB female head and the second USB female head in a free plug-in connection mode; marks are arranged at the first USB female head and the second USB female head of the shell and are respectively used for marking a connection source computer or a connection target computer; the source computer end wireless migration card is provided with an identifier for identifying the connection with the source computer, and the target computer end wireless migration card is provided with an identifier for identifying the connection with the target computer.
10. The multifunctional computer data storage and migration apparatus of claim 2, wherein: the USB deconcentrator C, the memory C, the wireless network card C and the USB male head C are integrated on the No. 1 PCB by adopting an integrated circuit technology and are arranged in the card shell C, and the USB male head C extends out of the card shell C; the USB deconcentrator D, the memory D, the wireless network card D and the USB male head D are integrated on the 2# PCB by adopting an integrated circuit technology and are arranged in the card shell D, and the USB male head D extends out of the card shell D.
11. A data migration method using the multifunctional computer data storage and migration apparatus of any one of claims 1 to 10. The method is characterized in that: the working mode of the multifunctional computer data storage and migration device is any one of a USB (universal serial bus) migration device mode, an NAS + USB migration device mode and an NAS + wireless migration device mode by switching the gears of a multi-gear mode switch, and data migration or data migration and data backup between two computers are carried out in a selected mode;
when the working mode of the multifunctional computer data storage and migration device is a USB migrator mode, the data migration method comprises the following steps:
s1, gear selection and equipment connection: the method comprises the following steps that the gears of a multi-gear mode selector switch are arranged at the gears of a USB (universal serial bus) shifter, a source computer and a target computer are not connected with a USB storage device, and the source computer and the target computer are respectively connected with a first USB female head and a second USB female head of a multifunctional computer data storage and migration device through two USB wires;
s2, migration program pairing: before data migration begins, setting a source computer and a target computer to be started through a BIOS (basic input/output System) as a USB (Universal Serial bus) flash disk, restarting the source computer and the target computer, starting a source computer end migration program on a memory A and a target computer end migration program on a memory B along with the starting of the source computer end migration program and the target computer end migration program, displaying a random connection code and a connection password on data migration interfaces of the source computer and the target computer in a waiting pairing state, and binding fixed ports of the two migration programs through a TCP (Transmission control protocol) protocol to wait for connection; then inputting a connection code and a connection password of another computer into a data migration interface of the source computer or the target computer, pairing migration programs on the two computers, establishing a stable connection channel between the source computer and the target computer through a TCP (transmission control protocol) after pairing is successful, and automatically closing a pairing state;
s3, determining the device mode: after the pairing of the two migration programs is completed, the migration programs on the two computers enter an equipment mode determining stage, and options determined by the equipment mode are displayed on data migration interfaces of the two computers; the migration program of the source computer end and the migration program of the target computer end have two working modes, namely a source computer mode and a target computer mode, wherein the migration program on the source computer should select the source computer mode, and the migration program on the target computer should select the target computer mode; when one of the computers makes a mode selection, the TCP channel established in step S2 is used to notify the other computer, and the other computer will automatically operate in another mode;
s4, data migration: after the working modes of the two migration programs are determined, a data migration stage is entered, at this time, a target computer side migration program working in a target computer mode enters a waiting state, a source computer side migration program working in a source computer mode enters a file selection state, a user selects and confirms a file to be migrated on a source computer, and then sends a migration instruction through a TCP channel established in step S2, the migration program of the source computer side automatically generates a migration list according to a data item selected by the user and sends the migration list to the migration program of the target computer side, the migration program of the target computer side analyzes the list file and stores the list file in a temporary folder for data comparison in the data migration process and the later period after receiving the list migration, and then a data migration interface on the target computer pops up a dialog box for selecting the storage position of the file, after the storage position is selected, clicking a confirmation button to start entering a data migration state, in the data migration process, verifying the integrity of each piece of data by a migration program, retransmitting files with errors in migration, and entering the next stage after all files are migrated;
s5, data verification and report export: after the data migration is completed, the migration program at the target computer end compares and verifies the data, the data which is missing and has errors in comparison is retransmitted again, and after the transmission is completed, the migration program at the target computer end derives a migration report to complete the data migration;
when the working mode of the multifunctional computer data storage and migration device is the NAS + USB migration mode, the data migration method comprises the following steps:
l1, gear selection and device connection: the method comprises the steps that the gear of a multi-gear mode selector switch is placed at the gear of an NAS + USB migration device, a working power supply of the multifunctional computer data storage and migration device is started, a source computer and a target computer are not connected with USB storage equipment, and the source computer and the target computer are respectively connected with a first USB female head and a second USB female head of the multifunctional computer data storage and migration device through two USB lines;
l2, migration program pairing: before data migration begins, setting a source computer and a target computer to be started through a BIOS (basic input/output System) as a USB (Universal Serial bus) flash disk, restarting the source computer and the target computer, starting a source computer end migration program on a memory A and a target computer end migration program on a memory B along with the starting of the source computer end migration program and the target computer end migration program, displaying a random connection code and a connection password on data migration interfaces of the source computer and the target computer in a waiting pairing state, and binding fixed ports of the two migration programs through a TCP (Transmission control protocol) protocol to wait for connection; then inputting a connection code and a connection password of another computer into a data migration interface of the source computer or the target computer, pairing migration programs on the two computers, establishing a stable connection channel between the source computer and the target computer through a TCP (transmission control protocol) after pairing is successful, and automatically closing a pairing state;
l3, device mode determination: after the pairing of the two migration programs is completed, the migration programs on the two computers enter an equipment mode determining stage, and options determined by the equipment mode are displayed on data migration interfaces of the two computers; the migration program of the source computer end and the migration program of the target computer end have two working modes, namely a source computer mode and a target computer mode, wherein the migration program on the source computer should select the source computer mode, and the migration program on the target computer should select the target computer mode; when one of the computers makes a mode selection, the TCP channel established in step L2 is used to notify the other computer, and the other computer will automatically operate in another mode;
l4, data migration and backup: after the working modes of the two migration programs are determined, a data migration stage is entered, at this time, a target computer side migration program working in a target computer mode enters a waiting state, a source computer side migration program working in a source computer mode enters a file selection state, after a user selects and confirms a file to be migrated on a source computer, a check box for synchronously backing up the file to be migrated to an NAS appears on a data migration interface, after the user checks the check box, a migration instruction is sent out through a TCP channel established in the step L2, the migration program of the source computer side can automatically generate a migration list according to a data item selected by the user and send the migration list to the migration program of the target computer side, after the migration program of the target computer side receives the migration list, the migration list file can be analyzed and stored in a temporary folder for the data migration process and the later data comparison, then, a dialog box for selecting a file storage position is popped up on a data migration interface on the target computer, after the storage position is selected, a confirmation button is clicked, a data migration state is started, in the data migration process, migration data are synchronously backed up on the NAS mainboard, meanwhile, a migration program can verify the integrity of each piece of data, the file with the migration error is retransmitted, and after all files are migrated, the next stage is started;
l5, data validation and report export: after the data migration is completed, the migration program at the target computer end compares and verifies the data, the data which is missing and has errors in comparison is retransmitted again, and after the transmission is completed, the migration program at the target computer end derives a migration report to complete the data migration;
when the working mode of the multifunctional computer data storage and migration device is the NAS + wireless migrator mode, the data migration method comprises the following steps:
m1, gear selection and device connection: the gear of the multi-gear mode change-over switch is arranged at the gear of the NAS + wireless transfer device, a working power supply of the multifunctional computer data storage and transfer device is started, the source computer and the target computer are not connected with USB storage equipment, and wireless transfer cards at the source computer end and the target computer end are respectively inserted into USB ports of the source computer and the target computer;
m2, migration program pairing: before data migration begins, setting a source computer and a target computer to be started through a BIOS (basic input/output System) as a USB (Universal Serial bus) flash disk, restarting the source computer and the target computer, starting a source computer end migration program on a memory C and a target computer end migration program on a memory D along with the starting of the source computer end migration program and the target computer end migration program, displaying a random connection code and a connection password on data migration interfaces of the source computer and the target computer in a waiting pairing state, and binding fixed ports of the two migration programs through a TCP (Transmission control protocol) protocol to wait for connection; then inputting a connection code and a connection password of another computer into a data migration interface of the source computer or the target computer, pairing migration programs on the two computers, establishing a stable connection channel between the source computer and the target computer through a TCP (transmission control protocol) after pairing is successful, and automatically closing a pairing state;
m3, device mode determination: after the pairing of the two migration programs is completed, the migration programs on the two computers enter an equipment mode determining stage, and options determined by the equipment mode are displayed on data migration interfaces of the two computers; the migration program of the source computer end and the migration program of the target computer end have two working modes, namely a source computer mode and a target computer mode, wherein the migration program on the source computer should select the source computer mode, and the migration program on the target computer should select the target computer mode; when one of the computers makes a mode selection, the TCP channel established in step M2 is used to notify the other computer, and the other computer will automatically operate in another mode;
m4, data migration and backup: after the working modes of the two migration programs are determined, a data migration stage is entered, at this time, a target computer side migration program working in a target computer mode enters a waiting state, a source computer side migration program working in a source computer mode enters a file selection state, after a user selects and confirms a file to be migrated on a source computer, a check box for synchronously backing up the file to be migrated to an NAS appears on a data migration interface, after the user checks the check box, a migration instruction is sent out through a TCP channel established in the step M2, the migration program of the source computer side can automatically generate a migration list according to a data item selected by the user and send the migration list to the migration program of the target computer side, after the migration program of the target computer side receives the migration list, the migration list file can be analyzed and stored in a temporary folder for the data migration process and the later data comparison, then, a dialog box for selecting a file storage position is popped up on a data migration interface on the target computer, after the storage position is selected, a confirmation button is clicked, a data migration state is started, in the data migration process, migration data are synchronously backed up on the NAS mainboard, meanwhile, a migration program can verify the integrity of each piece of data, the file with the migration error is retransmitted, and after all files are migrated, the next stage is started;
m5, data verification and report export: and after the data migration is finished, comparing and verifying the data by the migration program at the target computer end, retransmitting the missing and error-compared data, and after the transmission is finished, exporting a migration report by the migration program at the target computer end to finish the data migration.
12. A method of data migration according to claim 11, wherein: the migration list comprises a to-be-migrated data list, a file name and an md5 value corresponding to each piece of data and the size of the data; and in the data migration process, the file with the migration error is retransmitted, and the retransmission is abandoned after three transmission attempts fail.
13. A method of data migration according to claim 11, wherein: after the data migration is completed, the migration program at the target computer terminal compares and verifies the migrated data according to the file list on the migration list received before the data transmission and the md5 value of each file; and the statistical information of the migration report comprises a file list of successful migration, a file list of failed migration and the data volume of migration.
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