CN113114784B - 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
CN113114784B
CN113114784B CN202110476271.4A CN202110476271A CN113114784B CN 113114784 B CN113114784 B CN 113114784B CN 202110476271 A CN202110476271 A CN 202110476271A CN 113114784 B CN113114784 B CN 113114784B
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migration
data
computer
usb
mode
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CN113114784A (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

Abstract

The invention discloses a data storage and migration device and method of a multifunctional computer, wherein a data migration circuit and a multi-gear change-over switch of the device are integrated on a NAS main board, 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 Ethernet card, the fourth Ethernet card and the NAS main board 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 change-over switch in any gear of gears of a USB shifter, a NAS+USB shifter and a NAS+wireless shifter, connecting two computers with a data migration device, determining the working mode of the computers through migration program pairing, starting data migration and backup, and verifying data and exporting reports after completion. The invention has simple structure and combines 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
The development of the computer industry is rapid nowadays, computer equipment basically covers the aspects of daily life and offices of people, computer technology is very different day by day, a CPU and an operating system separate a plurality of different technical routes, and new and old equipment is replaced more and more frequently. The data volume stored on the computer is larger and larger, and in the process of each device replacement, a large amount of data files on the old device need to be migrated to the new device, so that the problem of large data volume migration needs to be solved, wherein the phenomenon of data migration between different CPU architectures and different operating systems is more and more, and the file system formats of the different operating systems are different, so that the data migration process is also greatly plagued.
The most commonly used data migration method at present is to manually copy the data of old equipment to a USB flash disk or a mobile hard disk, then copy the data to new equipment through the USB flash disk or the mobile hard disk, manually carry out multiple file moving operations in the process, the whole process is extremely easy to have the conditions of file missing copying and repeated copying, the situation of file damage can also occur in the copying process, the damaged file is extremely difficult to be checked under the condition of large file quantity, file arrangement is also required to be carried out manually aiming at different operating systems after the copying is completed, the process is complex, time consuming and the migration effect is not ideal.
Disclosure of Invention
In order to overcome the above problems, an object of the present invention is to provide a data storage and migration apparatus and method for a multifunctional computer. The device has the functions of data storage and migration, can provide a plurality of working modes, can be used as a NAS (network attached storage) to provide private cloud service for users, and can also be used as a file migration device to provide file migration service for users.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the data storage and migration device of the multifunctional computer comprises a shell, a data migration circuit, an NAS main board, a multi-gear mode change-over switch, a wireless migration card and a USB extension line, wherein the data migration circuit and the multi-gear change-over switch are integrated on the NAS main board, and the NAS main board 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 migration programs, a first Ethernet card, a second Ethernet card, a third Ethernet card, a memory B for storing a target computer starting system and migration programs, a second USB deconcentrator and a second USB female head, wherein a USB connector 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 to the first USB deconcentrator, a USB connector of the second USB deconcentrator is connected with the second USB female head, the second Ethernet card and the memory B are connected to the second USB deconcentrator, and the first Ethernet card and the second Ethernet card are directly connected through a network cable; the NAS main board is provided with a hard disk interface, a fourth Ethernet card, a fifth Ethernet card and a wireless network card, wherein 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 is used for synchronously backing up migration data from a source computer to the NAS main board in the data migration process between the source computer and a target computer; the wireless network card is used for establishing a wireless hot spot and starting a wireless routing function; the fifth Ethernet card is connected with an Ethernet port arranged on the shell; the multi-gear mode change-over switch is arranged on the shell through an extension line, and 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, 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 change-over switch; 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 terminal and a target computer terminal wireless migration card, the source computer terminal and the target computer terminal wireless migration card enable the source computer terminal and the target computer terminal to perform wireless network communication through a wireless hot spot established by connecting a wireless network card on a NAS main board, and data migration between the source computer and the target computer is performed 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, wherein a USB deconcentrator C, a memory C for storing a source computer starting system and migration programs, 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 connector 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 for storing a target computer starting system and migration programs, 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 connector 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.
Still further, the multi-gear mode switch is provided with five gears, which are a USB shifter gear, an external hard disk box gear, a NAS gear, a NAS+USB shifter gear and a NAS+wireless shifter gear, respectively, and correspond to different working modes of the data storage and shifting device of the multifunctional computer.
Furthermore, when the multi-gear mode change-over switch is located at a gear of the USB shifter, the NAS main board is in a power-off state, the data shifting circuit is in a communication state, and the multifunctional computer data storage and shifting device is only used for data shifting, and the working mode of the multifunctional computer data storage and shifting device is the USB shifter mode.
Further, when the multi-gear mode switch is located at the gear of the external hard disk box, the circuits of the second USB female head and the second USB deconcentrator are in a non-communication state, namely the data migration circuit is in a non-communication state, the third ethernet card and the fourth ethernet card are in a non-communication state, the first USB deconcentrator is in a communication state with only the hard disk interface on the NAS main board, and the working mode of the multifunctional computer data storage and migration device is a USB hard disk box mode.
Further, when the multi-gear mode switch is located in the NAS gear, the NAS motherboard is in an on state, the circuits of the first USB female head and the first USB splitter are in an off state, the circuits of the second USB female head and the second USB splitter are in an off state, that is, the data migration circuit is in an off state, the third ethernet card and the fourth ethernet card are in an off state, the wireless network card, the hard disk interface, the fourth ethernet card and the fifth ethernet port provided on the NAS motherboard are in an on state, the NAS motherboard and the NAS operating system running thereon provide NAS services, and the working mode of the multifunctional computer data storage and migration device is NAS mode.
Further, when the multi-gear mode switch is located at a gear of the nas+usb shifter, the NAS main board is in an on state, a circuit between the hard disk interface and the first USB splitter is in an unconnected state, the third ethernet card and the fourth ethernet port are in a connected state, and the data shifting circuit is in a connected state and is used for shifting data between the source computer and the target computer in a wired mode; the NAS mainboard and a NAS operating system running on the NAS mainboard provide NAS service, and in the process of data migration, the migrated data is synchronously backed up to the NAS mainboard in the process of completing data migration through the 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 NAS+USB migration device mode.
Further, when the multi-gear mode switch is located at a 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 main board is in an electrified 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 main board and a NAS operating system running thereon provide NAS services; the wireless network card on the NAS main board is used for starting a wireless hot spot and providing a wireless routing function, so that the wireless network card C and the wireless network card D in the wireless migration card of the source computer end and the wireless migration card of the target computer end are connected to the wireless hot spot started by the wireless network card on the NAS main board, the source computer end and the target computer end can perform wireless communication, data migration between the source computer and the target computer is performed in a wireless mode, and meanwhile, data in the migration process is backed up to the NAS main board through wireless communication; the working mode of the multifunctional computer data storage and migration device is NAS+wireless migration device mode.
Furthermore, the two USB extension lines are double male wires, and the connection mode of the two USB extension lines and the first USB female head and the second USB female head is free plug-in connection; the first USB female head and the second USB female head of the shell are provided with identifiers respectively used for identifying and connecting a source computer or a target computer; the wireless migration card of the source computer end is provided with an identifier for identifying a connection source computer, and the wireless migration card of the target computer end is provided with an identifier for identifying a connection target computer.
Further, the USB deconcentrator C, the memory C, the wireless network card C and the USB male head C are integrated on the 1# PCB board by adopting an integrated circuit technology, are arranged in the card shell C, and extend the USB male head C 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 board 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 for data migration, and the target computer refers to a computer for receiving data.
The data migration method using the multifunctional computer data storage and migration device of the invention comprises the following steps:
the working mode of the data storage and migration device of the multifunctional computer is any one of a USB (universal serial bus) migration device mode, a NAS+USB migration device mode and a NAS+wireless migration device mode by switching gears of a multi-gear mode switching 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 migration device mode, the data migration method comprises the following steps:
s1, gear selection and equipment connection: the method comprises the steps that a gear of a multi-gear mode switching switch is arranged at a gear of a USB shifter, 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 a data storage and shifting device of a multifunctional computer through two USB lines;
s2, pairing migration programs: before data starts to migrate, respectively setting a source computer and a target computer as a USB flash disk to start through BIOS, restarting the source computer and the target computer, starting a source computer migration program on a memory A and a target computer migration program on a memory B, and displaying a random connection code and a connection password on a data migration interface of the source computer and the target computer in a waiting pairing state, wherein the two migration programs are bound to fixed ports through TCP protocol to wait for connection; then inputting a connection code and a connection password of the other computer in 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 protocol after successful pairing, and automatically closing a pairing state;
S3, determining a device mode: after the pairing of the two migration programs is completed, the migration programs on the two computers enter a device mode determining stage, and options for determining the device mode are displayed on a data migration interface 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 computer makes a mode selection, the other computer is informed of the other computer through the TCP channel established in the step S2, and the other computer automatically works in the other mode;
s4, data migration: after the working modes of the two migration programs are determined, a data migration stage is entered, at this time, the migration program of the target computer end working in the target computer mode enters a waiting state, the migration program of the source computer end working in the source computer mode enters a file selection state, after the selection and confirmation of files to be migrated are carried out on the source computer by a user, a migration instruction is sent out through a TCP channel established in the step S2, the migration program of the source computer end automatically generates a migration list according to data items selected by the user and sends the migration program to the target computer end, the migration program of the target computer end analyzes the list file after receiving the migration list and stores the list file in a temporary folder for data comparison in a data migration process and a later stage, then a data migration interface on the target computer pops up a dialogue box for selecting a file storage position, after the storage position selection is completed, a confirmation button is clicked, the migration program starts entering the data migration state, the integrity of each piece of data is checked, and the migration program is retransmitted for the files with errors, and after all the files are migrated, the next stage is entered;
S5, data verification and report export: after the data migration is completed, the migration program of the target computer side compares and verifies the data, the missing and comparison error data is retransmitted again, and after the transmission is completed, the migration program of the target computer side derives a migration report to complete the data migration;
when the working mode of the multifunctional computer data storage and migration device is NAS+USB migration mode, the data migration method comprises the following steps:
l1, gear selection and equipment connection: the method comprises the steps that a gear of a multi-gear mode switching switch is arranged in a gear of a NAS+USB migration device, a working power supply of a data storage and migration device of a multifunctional computer 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 data storage and migration device of the multifunctional computer through two USB wires;
l2, migration program pairing: before data starts to migrate, respectively setting a source computer and a target computer as a USB flash disk to start through BIOS, restarting the source computer and the target computer, starting a source computer migration program on a memory A and a target computer migration program on a memory B, and displaying a random connection code and a connection password on a data migration interface of the source computer and the target computer in a waiting pairing state, wherein the two migration programs are bound to fixed ports through TCP protocol to wait for connection; then inputting a connection code and a connection password of the other computer in 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 protocol after successful pairing, 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 a device mode determining stage, and options for determining the device mode are displayed on a data migration interface 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; after one computer makes a mode selection, the other computer is informed of the other computer through the TCP channel established in the step L2, and the other computer automatically works in the other mode;
l4, data migration and backup: after the working modes of two migration programs are determined, a data migration stage is entered, at this time, a migration program of a target computer end working in a target computer mode enters a waiting state, a migration program of a source computer end working in a source computer mode enters a file selection state, after a user selects and confirms a file to be migrated on the source computer, at this time, whether a check box for synchronously backing up the file to be migrated to an NAS appears on a data migration interface, after checking the check box by the user, a migration instruction is sent out through a TCP channel established in the step L2, the migration program of the source computer end automatically generates a migration list according to data items selected by the user, the migration program of the target computer end automatically generates a migration list and sends the migration program to the target computer end, the migration program of the target computer end analyzes the list file and stores the migration list in a temporary folder for data comparison in a data migration process and a later data comparison use, then a data migration interface on the target computer pops up a dialogue box for selecting a file storage position, after the storage position selection is completed, a backup button is clicked to enter the data migration state, in the data migration process, migration data is synchronously enabled to be migrated on the main board, and after all the files are completely migrated, and all the migration programs are completely transferred;
L5, data verification and report export: after the data migration is completed, the migration program of the target computer side compares and verifies the data, the missing and comparison error data is retransmitted again, and after the transmission is completed, the migration program of the target computer side derives a migration report to complete the data migration;
when the working mode of the multifunctional computer data storage and migration device is NAS+wireless migration mode, the data migration method comprises the following steps:
m1, gear selection and equipment connection: the method comprises the steps that the gear of a multi-gear mode switch is arranged in a gear of a NAS+wireless migration device, a working power supply of a data storage and migration device of a multifunctional computer is started, a source computer and a target computer are not connected with USB storage equipment, and wireless migration cards of 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 starts to migrate, respectively setting a source computer and a target computer as a USB flash disk to start through BIOS, restarting the source computer and the target computer, starting a source computer migration program on a storage C and a target computer migration program on a storage D, and displaying a random connection code and a connection password on a data migration interface of the source computer and the target computer in a waiting pairing state, wherein the two migration programs are bound to fixed ports through TCP protocol to wait for connection; then inputting a connection code and a connection password of the other computer in 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 protocol after successful pairing, and automatically closing a pairing state;
M3, determining a device mode: after the pairing of the two migration programs is completed, the migration programs on the two computers enter a device mode determining stage, and options for determining the device mode are displayed on a data migration interface 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; after one computer makes a mode selection, the other computer is informed of the other computer through the TCP channel established in the step M2, and the other computer automatically works in the other mode;
m4, data migration and backup: after the working modes of two migration programs are determined, a data migration stage is entered, at this time, a migration program of a target computer end working in a target computer mode enters a waiting state, a migration program of a source computer end working in a source computer mode enters a file selection state, after a user selects and confirms a file to be migrated on the source computer, at this time, whether a check box for synchronously backing up the file to be migrated to an NAS appears on a data migration interface, after checking the check box by the user, a migration instruction is sent out through a TCP channel established in the step M2, the migration program of the source computer end automatically generates a migration list according to data items selected by the user, the migration program of the target computer end automatically generates a migration list and sends the migration program to the target computer end, the migration program of the target computer end analyzes the list file and stores the migration list in a temporary folder for data comparison in a data migration process and a later data comparison use, then a data migration interface on the target computer pops up a dialogue box for selecting a file storage position, after the storage position selection is completed, a backup button is clicked to enter the data migration state, in the data migration process, migration data is synchronously enabled to be migrated on the main board, and after all the files are completely migrated, and all the migration programs are completely transferred;
M5, data verification and report export: after the data migration is completed, the migration program of the target computer side compares and verifies the data, the missing and comparison error data is retransmitted again, and after the transmission is completed, the migration program of the target computer side derives a migration report to complete the data migration.
Further, the migration list comprises a data list to be migrated, a file name and an md5 value corresponding to each piece of data and a data size; and retransmitting the file with the migration error in the data migration process, and discarding retransmission after three transmission attempts are failed.
Further, after the data migration is completed, the migration program of the target computer end compares and verifies the migrated data according to a file list on a migration list received before data transmission and an md5 value of each file; the statistical information of the migration report contains a file list with successful migration, a file list with failed migration and the data quantity of migration.
Compared with the prior art, the invention has the following beneficial effects:
1. the functions are rich, and one machine is multipurpose: the multifunctional computer data storage and migration device provides multiple working modes, namely has the function of NAS and also has the function of 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 the USB/wireless familiar to the user, 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 performed under the condition that the original operating system of the equipment is not started, the influence on file migration during the operation of the original system is effectively eliminated, the use is simple, and the whole migration process is quite stable and reliable.
3. File location corresponds to reset: in the migration operation, the migration software program can automatically migrate the files and folders to the target computer, and the files and folders are correspondingly sorted according to the storage positions of the files and folders in the source computer, so that the storage positions of the files before and after migration are basically the same, and the files and folders are convenient for a user to use according to the original storage positions and 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 migration device can be reused, and one set of migration device can complete multiple migration operations.
6. And (3) data verification: the migration device can carry out integrity check on the data in the migration process and after the migration is finished, and can automatically carry out alarm prompt or retransmission on the file with the migration error.
7. Drive-free: the invention does not require the user to install any additional programs or drivers on the computer during the whole migration implementation.
8. Long distance: according to the invention, under the wireless migration mode, two computers can migrate data or files under the condition of long distance, and the distance limit of the USB migration device is broken.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a diagram of the use of the present invention in USB carrier mode and NAS+USB carrier mode.
FIG. 3 is a diagram of the use of the present invention in USB hard disk cartridge mode.
Fig. 4 is a diagram of the use of the present invention in NAS + wireless carrier mode.
In the figure, a 1-shell, a 2-multi-gear mode change-over switch, a 3-first USB female connector, a 4-first USB deconcentrator, a 5-memory A, a 6-first Ethernet card, a 7-second Ethernet card, an 8-third Ethernet card, a 9-fourth Ethernet card, a 10-fifth Ethernet card, an 11-Ethernet port, a 12-memory B, a 13-second USB deconcentrator, a 14-second USB female connector, a 15-NAS main board, a 16-wireless network card, a 17-hard disk interface, an 18-USB extension line, a 19-card shell C, a 20-USB deconcentrator C, a 21-memory C, a 22-wireless network card C, a 23-USB male connector C, a 24-card shell D, a 25-USB deconcentrator D, a 26-memory D, a 27-wireless network card D and a 28-USB male connector D are shown.
Detailed Description
The technical scheme of the invention is further described by the following specific examples. It should be apparent to those skilled in the art that the detailed description is merely provided to aid in understanding the invention and should not be taken as limiting the invention in any way.
Example 1
1-2, a multi-functional computer data storage and migration device and method, including a shell data migration circuit, a NAS motherboard 15, a multi-gear mode switch 2, a wireless migration card and a USB extension line 18, wherein the data migration circuit and the multi-gear mode switch 2 are integrated on the NAS motherboard 15, the NAS motherboard 15 is arranged in the shell 1 and the multi-gear mode switch 2 is fixed on the shell 1; the data migration circuit comprises a first USB female head 3, a first USB deconcentrator 4, a memory A5 for storing a source computer starting system and migration programs, 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 migration programs, a second USB deconcentrator 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 to 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 to the second USB deconcentrator 13, and the first Ethernet card 6 and the second Ethernet card 7 are directly connected through a network cable; the NAS main board 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 and the third ethernet card 7 are directly connected through a network cable and are used for synchronously backing up migration data from a source computer to the NAS main board in a data migration process between the source computer and a 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 with an Ethernet port 11 arranged on the shell 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 switch 2;
The wireless migration card comprises a source computer terminal and a target computer terminal wireless migration card, the source computer terminal and the target computer terminal wireless migration card enable the source computer terminal and the target computer terminal to perform wireless network communication through a wireless hot spot established by connecting the wireless network card 16 on the NAS main board 15, and data migration between the source computer and the target computer is performed 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, wherein a USB deconcentrator C20, a memory C21 for storing a source computer starting system and migration programs, 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 connector 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 to the USB deconcentrator C20; the target computer end wireless migration card comprises a card shell D24, wherein a USB deconcentrator D25, a memory D26 for storing a target computer starting system and migration programs, 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 connector 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 to the USB deconcentrator D25. The USB deconcentrator C20, the memory C21, the wireless network card C22 and the USB male head C23 are integrated on the 1# PCB board by adopting an integrated circuit technology, are arranged in the card shell C19, and extend the USB male head C out of the card shell C; the USB deconcentrator D25, the memory D26, the wireless network card D27 and the USB male head D28 are integrated on the 2# PCB board by adopting an integrated circuit technology, are arranged in the card shell D24, and enable the USB male head D to extend out of the card shell D.
The two USB extension lines 18 are double male wires, and are connected with the first USB female head 3 and the second USB female head 14 in a free plug-in connection manner; the first USB female head 3 and the second USB female head 14 of the shell 1 are provided with identifiers respectively used for identifying and connecting a source computer or a target computer; the wireless migration card of the source computer end is provided with an identifier for identifying a connection source computer, and the wireless migration card of the target computer end is provided with an identifier for identifying a connection target computer.
The source computer is a computer from which data is migrated, and the target computer is a computer that receives data.
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 computers, 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 carry out data migration between the two computers; after the multifunctional computer data storage and migration device is connected to the source computer and the target computer through two USB extension lines 18 or wireless migration cards, the multifunctional computer data storage and migration device is set to be started from a USB flash disk in the bios of the two computers, and when the source computer and the target computer are started, a computer starting system in a memory A5 or a memory C21 and a memory B12 or a memory D26 is started respectively, after the system is started, a fixed IP address is bound to an Ethernet card in the first or the second splitter, and after the system is started, a migration program in the memory is started.
The NAS operating system and the routing program are installed in the built-in memory of the NAS motherboard 15. The routing program establishes a wireless hotspot through the wireless network card and starts a wireless routing function.
The multi-gear mode change-over switch 2 is provided with five gears, which are a USB shifter gear, an external hard disk box gear, a NAS gear, a NAS+USB shifter gear and a NAS+wireless shifter gear, and correspond to five different working modes of the multifunctional computer data storage and shifting device. The specific cases of the five modes of operation are as follows:
1. USB migration device mode (mode one)
The multi-gear mode switch 2 of the present invention is located at a first gear (USB shifter gear) by default, at this time, the NAS motherboard 15 is in a power-off state, at this time, the modules that function in the shifting device are the first USB splitter 4, the second USB splitter 13, the first ethernet card 6 and the second ethernet card 7 connected thereto, and the memories a and 5 and the memories B12, the data shifting circuit is in a connected state, and the data storage and shifting device of the multifunctional computer is only used for data shifting, and its working mode is the USB shifter mode.
The data migration principle in the USB migrator mode is as follows:
the two USB female heads of the migration device are respectively connected to the source computer and the target computer through two extension lines, the two USB female heads are set to be started from the USB flash disk in the BIOS of the two computers, when the source computer and the target computer are started, the computer in the storage A5 and the storage B12 are respectively started, after the system is started, a fixed IP address is bound to the corresponding Ethernet card in the deconcentrators (the first deconcentrator 4 and the second deconcentrator 13) at the respective ends, and after the system is started, migration programs in the storage A and the storage B are started.
The migration program in the memory A5 of the source computer end establishes a Tcp server (hereinafter referred to as migration server) in the process of starting, and the migration program in the memory B12 of the target computer end establishes a Tcp client to connect with the migration server in the process of starting, so that a connection is established between the two computers, and data or file migration operation between the two computers can be completed through the connection.
In the USB migration mode, the NAS motherboard 15 is not started, NAS services cannot be provided, migration of data or files between the source computer and the target computer can only be completed, and the migrated data or files cannot be backed up in the NAS motherboard.
2. USB hard disk cartridge mode (mode two)
The mode of the second gear 2 (external hard disk box gear) of the multi-gear mode switch is a USB hard disk box mode, the circuits of the second USB female head 14 and the second USB deconcentrator 13 are in a non-connected state, namely, 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 first USB deconcentrator 4 is in a connected state only with the hard disk interface 17 on the NAS motherboard 15, and the working mode of the multifunctional computer data storage and migration device is a USB hard disk box mode.
In the USB hard disk cartridge mode, the first USB female 3 of the source computer is connected to the computer through a double male USB extension 18, so that the computer can read and write the hard disk in the NAS motherboard 15, and the migration device is equivalent to a hard disk cartridge.
This mode can only complete access of external devices to the internal hard disk of the NAS motherboard 15, and cannot provide NAS services, and cannot provide data or file migration services.
3. NAS mode (mode three)
The mode corresponding to the third gear (NAS gear) of the multi-gear mode switch 2 is a NAS mode, the NAS motherboard 15 is in an on state, the circuits of the first USB master 3 and the first USB splitter 4 are in an off state, the circuits of the second USB master 14 and the second USB splitter 13 are in an off state, that is, the data migration circuit is in an off state, the third ethernet card 8 and the fourth ethernet card 9 are in an off state, the wireless network card 16, the hard disk interface 17, the fourth ethernet card 9 and the fifth ethernet port 10 disposed on the NAS motherboard 15 are in an on state, the NAS motherboard 15 and the NAS operating system running thereon provide NAS services, and the working mode of the multifunctional computer data storage and migration device is a NAS mode.
In this mode, the migration apparatus will boot the NAS operating system and provide NAS functionality and wireless routing functionality, and the user may connect to the NAS motherboard in the migration apparatus in a variety of ways.
There are three network modes of NAS motherboards:
(1) the method comprises the steps of connecting to a user local area network in a wired mode, and establishing a hot spot to share the network through a wireless network card (default mode);
(2) connecting to a user local area network through a wireless network card and simultaneously establishing a wireless hotspot to share the network (the user is required to configure through an NAS client after connecting to the NAS);
(3) the method is not connected with the user local area network, only wireless is started, and a closed network which is not connected with the user network is formed.
By default, the NAS operating system will detect a wired connection after startup, will default to set the network mode to mode (1) if a wired connection is present, and will default to set the network mode to mode (3) if no wired connection is present.
The user can connect to the NAS in two ways: (1) accessing a computer of a user to the same local area network of the NAS; (2) after the user's computer is connected to the NAS, the NAS client can use the function of the NAS and configure the NAS.
This mode provides only NAS services and wireless routing functions, and does not provide file migration services.
4. NAS+USB migration mode (mode four)
The mode corresponding to the fourth gear (nas+usb shifter gear) of the multi-gear mode switch 2 is nas+usb shifter mode, the NAS main board 15 is in an energized state, a circuit between the hard disk interface 17 and the first USB splitter 4 is in an unconnected state, the third ethernet card 8 and the fourth ethernet port 9 are in a connected state, and the data shifting circuit is in a connected state and is used for shifting data between the source computer and the target computer in a wired mode; the NAS motherboard 15 and the NAS operating system running thereon provide NAS services, and in the process of data migration, the migrated data is synchronously backed up to the NAS motherboard 15 in the process of completing data migration 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 NAS+USB migration device mode.
In this mode, the NAS operating system starts up and provides NAS services after the NAS motherboard 15 is powered on, and in addition, a NAS-side migration server program is started up in the NAS operating system, and the main function of the program in this mode is based on the NAS receiving and storing the backup sent by the source computer-side migration program in the migration process.
In this mode, the source computer may be directly connected to the third ethernet card 8 connected to the first USB splitter 4 and the fourth ethernet card 9 connected to the NAS motherboard 15, the connection modes of the NAS motherboard 15 and the source computer and the target computer, and the operation modes and modes of the migration program in the memories A5 and B12 are substantially the same, the only difference is that the source computer side migration program is started, and when the source computer program in this mode is started, a connection with the NAS side migration server program is established by a wired connection mode, through this connection, a backup may be made on the NAS motherboard 15 for the data or files to be migrated, and the transmission process and storage of the entire backup file are encrypted.
This mode will start the NAS motherboard 15, and may provide NAS services, which may complete data or file migration between the source computer and the target computer, or may backup the migrated files in the NAS motherboard.
5. NAS+Wireless migrate mode (mode five)
When the mode corresponding to the fifth gear (nas+wireless shifter gear) of the multi-gear mode switch 2 is nas+wireless shifter mode and the source computer side wireless shifting card and the target computer side wireless shifting card are used at the same time, the NAS main board 15 is in an electrified state, the data shifting circuit is in a non-connected state, the third ethernet card 8 and the fourth ethernet card 9 are in a non-connected state, and the NAS main board 15 and a NAS operating system running thereon provide NAS services; the wireless network card 16 on the NAS motherboard 15 is used for starting a wireless hotspot, providing a wireless routing function, enabling 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 to be connected to the wireless hotspot started by the wireless network card 16 on the NAS motherboard 15, enabling the source computer end and the target computer end to perform wireless communication, performing data migration between the source computer and the target computer in a wireless manner, and backing up 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 NAS+wireless migration device mode.
In this mode, the NAS operating system starts up and provides NAS services after the NAS motherboard is powered on, and in addition, a NAS-side migration server program is started up in the NAS motherboard 15, and the program has two main functions in this mode: (1) switching the wireless network card 16 on the NAS main board to a wireless migration mode, and establishing a wireless hot spot for the connection of the wireless migration card; (2) based on NAS encryption, the backup sent by the source computer end program in the migration process is received and stored, and the mode needs the cooperation of two wireless migration cards to complete the data or file migration operation between the source computer and the target computer.
After the NAS-side migration server program is started, the working states of the wireless network cards 16 on the NAS motherboard 15 are switched, a hidden wireless hotspot dedicated for connection of the source computer and the target computer-side wireless migration card is established through the wireless network cards, at this time, the two wireless migration cards are respectively connected to the source computer and the target computer, then the two computers are set to be started from a usb 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 source computer-side and the target computer-side wireless migration card are respectively started, after the systems are started, the wireless hotspot just established in the migration device is connected through wireless network cards C22 and D27 in the respective wireless migration cards, and fixed IP addresses are bound to the wireless network cards C22 and D27, then the migration programs in the memories of the two wireless migration cards are started, the starting process and the connection structure of the two computers are identical to the second mode, and the NAS motherboard are interconnected by wireless.
The mode starts the NAS motherboard 15, and can provide NAS services, and the mode can complete data or file migration between two computers, can backup migrated data or files in the NAS motherboard 15, and can perform file migration operation when the two computers are far away, and has higher flexibility compared with the mode one and the mode two.
Example 2
The data migration method using the multifunctional computer data storage and migration device of the invention comprises the following steps:
the working mode of the data storage and migration device of the multifunctional computer is any one of a USB (universal serial bus) migration device mode, a NAS+USB migration device mode and a NAS+wireless migration device mode by switching gears of a multi-gear mode switching 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 migration device mode, the data migration method comprises the following steps:
s1, gear selection and equipment connection: the gear of the multi-gear mode change-over switch 2 is positioned at the gear of the USB shifter, 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 data storage and shifting device of the multifunctional computer through two USB wires;
S2, pairing migration programs: before data starts to migrate, respectively setting a source computer and a target computer as U disk for starting through BIOS, restarting the source computer and the target computer, starting a source computer migration program on a memory A5 and a target computer migration program on a memory B12, and displaying a random connection code and a connection password on a data migration interface of the source computer and the target computer in a waiting pairing state, wherein the two migration programs are bound to fixed ports through TCP protocol and wait for connection; then inputting a connection code and a connection password of the other computer in 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 protocol after successful pairing, and automatically closing a pairing state;
s3, determining a device mode: after the pairing of the two migration programs is completed, the migration programs on the two computers enter a device mode determining stage, and options for determining the device mode are displayed on a data migration interface 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 computer makes a mode selection, the other computer is informed of the other computer through the TCP channel established in the step S2, and the other computer automatically works in the other mode;
S4, data migration: after the working modes of the two migration programs are determined, a data migration stage is entered, at this time, the migration program of the target computer end working in the target computer mode enters a waiting state, the migration program of the source computer end working in the source computer mode enters a file selection state, after the selection and confirmation of files to be migrated are carried out on the source computer by a user, a migration instruction is sent out through a TCP channel established in the step S2, the migration program of the source computer end automatically generates a migration list according to data items selected by the user and sends the migration program to the target computer end, the migration program of the target computer end analyzes the list file after receiving the migration list and stores the list file in a temporary folder for data comparison in a data migration process and a later stage, then a data migration interface on the target computer pops up a dialogue box for selecting a file storage position, after the storage position selection is completed, a confirmation button is clicked, the migration program starts entering the data migration state, the integrity of each piece of data is checked, and the migration program is retransmitted for the files with errors, and after all the files are migrated, the next stage is entered;
S5, data verification and report export: after the data migration is completed, the migration program of the target computer side compares and verifies the data, the missing and comparison error data is retransmitted again, and after the transmission is completed, the migration program of the target computer side derives a migration report to complete the data migration.
When the working mode of the multifunctional computer data storage and migration device is NAS+USB migration mode, the data migration method comprises the following steps:
l1, gear selection and equipment connection: the gear position of the multi-gear mode change-over switch 2 is positioned at the gear position of the NAS plus USB migration device, the working power supply of the data storage and migration device of the multifunctional computer 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 the first USB female head 3 and the second USB female head 14 of the data storage and migration device of the multifunctional computer through two USB wires;
l2, migration program pairing: before data starts to migrate, respectively setting a source computer and a target computer as U disk for starting through BIOS, restarting the source computer and the target computer, starting a source computer migration program on a memory A5 and a target computer migration program on a memory B12, and displaying a random connection code and a connection password on a data migration interface of the source computer and the target computer in a waiting pairing state, wherein the two migration programs are bound to fixed ports through TCP protocol and wait for connection; then inputting a connection code and a connection password of the other computer in 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 protocol after successful pairing, 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 a device mode determining stage, and options for determining the device mode are displayed on a data migration interface 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; after one computer makes a mode selection, the other computer is informed of the other computer through the TCP channel established in the step L2, and the other computer automatically works in the other 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, the migration program of the target computer end working in the target computer mode enters a waiting state, the migration program of the source computer end working in the source computer mode enters a file selection state, after a user selects and confirms a file to be migrated on the source computer, at this time, whether a check box for synchronously backing up the file to be migrated to an NAS appears on a data migration interface, after the check box is checked by the user, a migration instruction is sent out through a TCP channel established in the step L2, the migration program of the source computer end automatically generates a migration list according to data items selected by the user, the migration program of the target computer end automatically generates a migration list and sends the migration program to the target computer end, the migration program of the target computer end analyzes the list file and stores the migration list in a temporary folder for data comparison in a data migration process and a later data comparison use, then a data migration interface on the target computer pops up a dialogue box for selecting a file storage position, after the storage position selection is completed, a backup button is clicked, the data migration state is entered, in the data migration stage is synchronously carried out in the data migration process, migration data is carried out on the main board 15, and after all the data is completely migrated, and all the data is transferred to the next stage is checked;
L5, data verification and report export: after the data migration is completed, the migration program of the target computer side compares and verifies the data, the missing and comparison error data is retransmitted again, and after the transmission is completed, the migration program of the target computer side derives a migration report to complete the data migration.
When the working mode of the multifunctional computer data storage and migration device is NAS+wireless migration mode, the data migration method comprises the following steps:
m1, gear selection and equipment connection: the gear position of the multi-gear mode change-over switch 2 is positioned at the gear position of the NAS+ wireless migration device, the working power supply of the data storage and migration device of the multifunctional computer is started, the source computer and the target computer are not connected with the USB storage equipment, and the wireless migration cards of 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 starts to migrate, respectively setting a source computer and a target computer as U disk for starting through BIOS, restarting the source computer and the target computer, starting a source computer migration program on a memory C20 and a target computer migration program on a memory D26, and displaying a random connection code and a connection password on a data migration interface of the source computer and the target computer in a waiting pairing state, wherein the two migration programs are bound to fixed ports through TCP protocol and wait for connection; then inputting a connection code and a connection password of the other computer in 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 protocol after successful pairing, and automatically closing a pairing state;
M3, determining a device mode: after the pairing of the two migration programs is completed, the migration programs on the two computers enter a device mode determining stage, and options for determining the device mode are displayed on a data migration interface 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; after one computer makes a mode selection, the other computer is informed of the other computer through the TCP channel established in the step M2, and the other computer automatically works in the other 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, the migration program of the target computer end working in the target computer mode enters a waiting state, the migration program of the source computer end working in the source computer mode enters a file selection state, after a user selects and confirms a file to be migrated on the source computer, at this time, whether a check box for synchronously backing up the file to be migrated to an NAS appears on a data migration interface, after the check box is checked by the user, a migration instruction is sent out through a TCP channel established in the step M2, the migration program of the source computer end automatically generates a migration list according to data items selected by the user, the migration program of the target computer end automatically generates a migration list and sends the migration program to the target computer end, the migration program of the target computer end analyzes the list file and stores the migration list in a temporary folder for data comparison in a data migration process and a later data comparison use, then a data migration interface on the target computer pops up a dialogue box for selecting a file storage position, after the storage position selection is completed, a backup button is clicked, the data migration state is entered, in the data migration stage is synchronously carried out in the data migration process, migration data is carried out on the main board 15, and after all the data is completely migrated, and all the data is transferred to the next stage is checked;
M5, data verification and report export: after the data migration is completed, the migration program of the target computer side compares and verifies the data, the missing and comparison error data is retransmitted again, and after the transmission is completed, the migration program of the target computer side derives a migration report to complete the data migration.
The migration list comprises a data list to be migrated, a file name, an md5 value and a data size corresponding to each piece of data; and retransmitting the file with the migration error in the data migration process, and discarding retransmission after three transmission attempts are failed.
After the data migration is completed, the migration program of the target computer end compares and verifies the migrated data according to a file list on a migration list received before data transmission and the md5 value of each file; the statistical information of the migration report contains a file list with successful migration, a file list with failed migration and the data quantity of migration.
The method for using the multifunctional computer data storage and migration device in five working modes is as follows.
The data storage and migration device of the multifunctional computer corresponds to five operation modes by selecting one, two, three, four and five gears of the multi-gear mode change-over switch, and the data migration method of the five modes is described one by one.
1. USB migration device mode (mode one)
(1) Preparing se:Sub>A datse:Sub>A storage and migration device of the multifunctional computer and two computers (assuming that se:Sub>A target computer is PC-A and se:Sub>A source computer is PC-B) for implementing datse:Sub>A migration, ensuring that all USB storage devices connected with the PC-A and the PC-B are pulled out, then respectively connecting the PC-A and the PC-B with corresponding USB female heads of the datse:Sub>A storage and migration device of the multifunctional computer through two USB extension lines 18, and switching the mode of the migration device into se:Sub>A USB migration device mode through se:Sub>A multi-gear mode switching switch 2, wherein the connection between the migration device and the two computers is shown in figure 2;
(2) Setting PC-A as USB flash disk start: pressing the power button of the PC-A, then pressing the DEL key (part of the machine is the F2 key) on the PC-A keyboard into the BIOS, setting the PC-A to boot from the U disk, and then restarting the PC-A;
(3) Setting PC-B as USB flash disk start: setting the disk PC-B to be started from the U disk and restarting the PC-B in the same step (3);
(4) At this time, the two computers respectively start the starting system on the internal memory A of the migration device, after the starting system is started successfully, an operation interface of se:Sub>A client program appears on the two computer hosts, pairing operation and 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 as se:Sub>A target machine mode, and the migration program on the PC-B is set as se:Sub>A source machine mode;
(5) At this time, the migration program on the PC-B (source computer) enters se:Sub>A file selection state, the migration program has defaults to help the user select the file to be migrated (defaults to be full-disk migration), the user can also select the file to be migrated according to his own wish, after all the settings are completed, the "start migration" button is clicked in the client program on the PC-B, at this time, the client program on the PC-se:Sub>A (target computer) pops up se:Sub>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) The whole migration process is fully automatic, no user is required to watch during the process, after the completion of file migration, the migration program can automatically check the integrity of all files and retransmit the files with errors, and after the completion of the whole process, the client programs on the PC-A and the PC-B can derive se:Sub>A migration report, wherein detailed information about the current migration is displayed.
(7) The whole migration process is finished, after the PC-A and the PC-B are shut down and the USB extension line 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 cartridge mode (mode two)
(1) Preparing se:Sub>A multifunctional computer datse:Sub>A storage and migration device and se:Sub>A computer (assumed to be PC-A) with se:Sub>A NAS hard disk to be read, switching the mode of the migration device to se:Sub>A USB hard disk cartridge mode through se:Sub>A multi-gear mode switch 2, turning on se:Sub>A power supply of the PC-A, and then connecting se:Sub>A source computer end of the migration device with the PC-A through se:Sub>A USB extension line, wherein the connection between the migration device and the computer is shown in figure 3;
(2) At this time, the PC-A can read and write the hard disk on the NAS motherboard, after the operation is completed, 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 an NAS mode through a multi-gear mode switch 2, at the moment, a NAS mainboard in the migration device is electrified and operates a NAS operating system, a wireless hot spot is established by a routing program through a wireless network card 16 on the NAS mainboard after the operation is completed, 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 hot spot started by the migration device;
(3) Opening a NAS client program on a computer of a user, wherein the NAS client program automatically scans NAS services started by a NAS main board, and clicks a connection button to connect to the NAS main board 15 after successful scanning;
(4) At this time, the NAS user can log in the NAS after inputting the account number and password (if the NAS is connected for the first time, the NAS prompts the user to set a login account number and password) when the NAS motherboard 15 of the migration device is already connected to the user's computer;
(5) After logging into the NAS, the user may access the NAS through the NAS client program, and may also modify the network mode and other configuration of the NAS.
4. NAS+USB migration mode (mode four)
(1) Preparing se:Sub>A datse:Sub>A storage and migration device of the multifunctional computer and se:Sub>A source computer and se:Sub>A target computer to be subjected to datse:Sub>A migration (assuming that the target computer is PC-A and the source computer is PC-B), ensuring that all USB storage devices connected with the PC-A and the PC-B are pulled out, then respectively connecting the PC-A and the PC-B with corresponding USB female heads of the datse:Sub>A storage and migration device of the multifunctional computer through two USB extension lines 18, and switching the mode to se:Sub>A NAS+USB migration device mode through se:Sub>A multi-gear mode switching switch 2, wherein the connection between the datse:Sub>A storage and migration device of the multifunctional computer and the computer is shown in figure 2;
(2) Step (2) of the same mode one;
(3) Step (3) of the same mode one;
(4) Step (4) of the same mode one;
(5) At this time, the migration program on the PC-B (source computer) enters se:Sub>A file selection state, the migration program has defaults to help the user select the file to be migrated (defaults to be full-disk migration), the user can also select the file to be migrated according to his own wish, click the next step after selecting the file, se:Sub>A check box with se:Sub>A check box for synchronously backing up the file to be migrated to NAS will appear on the interface, the user can perform se:Sub>A check operation on the check box according to his own wish, and after all settings are completed, click se:Sub>A "start migration" button in the client program on the PC-B (source computer), at this time, the client program on the PC-se:Sub>A (target computer) pops up se:Sub>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 se:Sub>A full-automatic migration process;
(6) Step (6) of the same mode one;
(7) Step (7) of the same mode one.
5. NAS+Wireless migrate mode (mode five)
(1) Preparing se:Sub>A multifunctional computer datse:Sub>A storage and migration device and se:Sub>A source computer and se:Sub>A target computer (assuming that the target computer is PC-A and the source computer is PC-B) for datse:Sub>A migration, ensuring that all USB storage devices connected with the PC-A and the PC-B are pulled out, inserting se:Sub>A wireless migration card into the corresponding source computer and the target computer, and switching the multifunctional computer datse:Sub>A storage and migration device to se:Sub>A NAS+wireless migration device mode through se:Sub>A multi-gear mode switch 2, wherein the connection between the wireless migration card and the computer and the migration device is shown in figure 4;
(2) Step (2) of the same mode one;
(2) Step (2) of the same mode one;
(3) Step (3) of the same mode one;
(4) Step (4) of the same mode one;
(5) Step (5) of the same mode four;
(6) Step (6) of the same mode one;
(7) Step (7) of the same mode one.

Claims (7)

1. A multi-functional computer data storage and migration device, characterized in that: the wireless transfer device comprises a shell, a data transfer circuit, a NAS main board, a multi-gear mode change-over switch, a wireless transfer card and a USB extension line, wherein the data transfer circuit and the multi-gear mode change-over switch are integrated on the NAS main board; 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 migration programs, a first Ethernet card, a second Ethernet card, a third Ethernet card, a memory B for storing a target computer starting system and migration programs, 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 a shell; the USB connector of the first USB deconcentrator is connected with the first USB female connector, the memory A, the first Ethernet card and the third Ethernet card are connected to the first USB deconcentrator, the USB connector of the second USB deconcentrator is connected with the second USB female connector, the second Ethernet card and the memory B are connected to the second USB deconcentrator, and the first Ethernet card and the second Ethernet card are directly connected through a network cable; the NAS main board is provided with a hard disk interface, a fourth Ethernet card, a fifth Ethernet card and a wireless network card, wherein 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 is used for synchronously backing up migration data from a source computer to the NAS main board in the data migration process between the source computer and a target computer; the wireless network card is used for establishing a wireless hot spot 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 change-over switch;
The wireless migration card comprises a source computer terminal and a target computer terminal wireless migration card, the source computer terminal and the target computer terminal wireless migration card enable the source computer terminal and the target computer terminal to carry out wireless network communication through a wireless hot spot established by connecting a wireless network card on a NAS main board, and data migration between the source computer and the target computer is carried out in a wireless mode;
the number of the USB extension lines is two, one USB extension line is connected with the first USB female head, and the other USB extension line is connected with the second USB female head;
the multi-gear mode change-over switch is provided with five gears, namely a USB shifter gear, an external hard disk box gear, a NAS gear, a NAS+USB shifter gear and a NAS+wireless shifter gear, and corresponds to different working modes of the multifunctional computer data storage and shifting device;
when the multi-gear mode change-over switch is positioned at a gear of the USB shifter, the NAS main board is in a power-off state, the data shifting circuit is in a communication state, and the multifunctional computer data storage and shifting device is only used for data shifting, and the working mode of the multifunctional computer data storage and shifting device is the USB shifter mode;
when the multi-gear mode change-over switch is positioned at the gear of the external hard disk box, the circuits of the second USB female head and the second USB deconcentrator are in a non-communication state, namely the data migration circuit is in a non-communication state, the third Ethernet card and the fourth Ethernet card are in a non-communication state, the first USB deconcentrator is in a communication state only with the hard disk interface on the NAS main board, and the working mode of the multifunctional computer data storage and migration device is a USB hard disk box mode;
When the multi-gear mode change-over switch is positioned at a NAS gear, the NAS main board is in an electrified state, the circuits of the first USB female head and the first USB deconcentrator are in a non-communicated state, the circuits of the second USB female head 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 wireless network card, the hard disk interface, the fourth Ethernet card and the fifth Ethernet port arranged on the NAS main board are in an open state, the NAS main board and the NAS operating system running on the NAS main board provide NAS service, and the working mode of the multifunctional computer data storage and migration device is the NAS mode;
when the multi-gear mode change-over switch is positioned at a gear of the NAS+USB shifter, the NAS main board is in an electrified state, a circuit between a hard disk interface and a first USB deconcentrator is in a non-communicated state, the third Ethernet card and the fourth Ethernet interface are in a communicated state, and the data shifting circuit is in a communicated state and is used for carrying out data shifting between a source computer and a target computer in a wired mode; the NAS mainboard and a NAS operating system running on the NAS mainboard provide NAS service, and in the process of data migration, the migrated data is synchronously backed up to the NAS mainboard in the process of completing data migration through the 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 NAS+USB migration device mode;
When the multi-gear mode change-over switch is positioned at a 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 main board is in an electrified state, 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, and the NAS main board and a NAS operating system running on the NAS main board provide NAS services; the wireless network card on the NAS main board is used for starting a wireless hot spot and providing a wireless routing function, so that the wireless network card C and the wireless network card D in the wireless migration card of the source computer end and the wireless migration card of the target computer end are connected to the wireless hot spot started by the wireless network card on the NAS main board, the source computer end and the target computer end perform wireless communication, data migration between the source computer and the target computer is performed in a wireless mode, and meanwhile, data in the migration process is backed up to the NAS main board through wireless communication; the working mode of the multifunctional computer data storage and migration device is NAS+wireless migration device mode.
2. A multi-function computer data storage and migration apparatus as claimed in 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 migration programs, 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 connector 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 for storing a target computer starting system and migration programs, 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 connector 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. A multi-function computer data storage and migration apparatus as claimed in claim 1, wherein: the two USB extension lines are double male wires, and the connection mode of the two USB extension lines and the first USB female head and the second USB female head is free plug-in connection; the first USB female head and the second USB female head of the shell are provided with identifiers respectively used for identifying and connecting a source computer or a target computer; the wireless migration card of the source computer end is provided with an identifier for identifying a connection source computer, and the wireless migration card of the target computer end is provided with an identifier for identifying a connection target computer.
4. A multi-function computer data storage and migration apparatus as claimed in 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 1# PCB by adopting an integrated circuit technology, are arranged in the card shell C, and extend the USB male head C 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 board 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.
5. A data migration method using the multi-function computer data storage and migration apparatus of any one of claims 1 to 4, characterized by: the working mode of the data storage and migration device of the multifunctional computer is any one of a USB (universal serial bus) migration device mode, a NAS+USB migration device mode and a NAS+wireless migration device mode by switching gears of a multi-gear mode switching 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 migration device mode, the data migration method comprises the following steps:
s1, gear selection and equipment connection: the method comprises the steps that a gear of a multi-gear mode switching switch is arranged at a gear of a USB shifter, 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 a data storage and shifting device of a multifunctional computer through two USB lines;
s2, pairing migration programs: before data starts to migrate, respectively setting a source computer and a target computer as a USB flash disk to start through BIOS, restarting the source computer and the target computer, starting a source computer migration program on a memory A and a target computer migration program on a memory B, and displaying a random connection code and a connection password on a data migration interface of the source computer and the target computer in a waiting pairing state, wherein the two migration programs are bound to fixed ports through TCP protocol to wait for connection; then inputting a connection code and a connection password of the other computer in 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 protocol after successful pairing, and automatically closing a pairing state;
S3, determining a device mode: after the pairing of the two migration programs is completed, the migration programs on the two computers enter a device mode determining stage, and options for determining the device mode are displayed on a data migration interface 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 computer makes a mode selection, the other computer is informed of the other computer through the TCP channel established in the step S2, and the other computer automatically works in the other mode;
s4, data migration: after the working modes of the two migration programs are determined, a data migration stage is entered, at this time, the migration program of the target computer end working in the target computer mode enters a waiting state, the migration program of the source computer end working in the source computer mode enters a file selection state, after the selection and confirmation of files to be migrated are carried out on the source computer by a user, a migration instruction is sent out through a TCP channel established in the step S2, the migration program of the source computer end automatically generates a migration list according to data items selected by the user and sends the migration program to the target computer end, the migration program of the target computer end analyzes the list file after receiving the migration list and stores the list file in a temporary folder for data comparison in a data migration process and a later stage, then a data migration interface on the target computer pops up a dialogue box for selecting a file storage position, after the storage position selection is completed, a confirmation button is clicked, the migration program starts entering the data migration state, the integrity of each piece of data is checked, and the migration program is retransmitted for the files with errors, and after all the files are migrated, the next stage is entered;
S5, data verification and report export: after the data migration is completed, the migration program of the target computer side compares and verifies the data, the missing and comparison error data is retransmitted again, and after the transmission is completed, the migration program of the target computer side derives a migration report to complete the data migration;
when the working mode of the multifunctional computer data storage and migration device is NAS+USB migration mode, the data migration method comprises the following steps:
l1, gear selection and equipment connection: the method comprises the steps that a gear of a multi-gear mode switching switch is arranged in a gear of a NAS+USB migration device, a working power supply of a data storage and migration device of a multifunctional computer 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 data storage and migration device of the multifunctional computer through two USB wires;
l2, migration program pairing: before data starts to migrate, respectively setting a source computer and a target computer as a USB flash disk to start through BIOS, restarting the source computer and the target computer, starting a source computer migration program on a memory A and a target computer migration program on a memory B, and displaying a random connection code and a connection password on a data migration interface of the source computer and the target computer in a waiting pairing state, wherein the two migration programs are bound to fixed ports through TCP protocol to wait for connection; then inputting a connection code and a connection password of the other computer in 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 protocol after successful pairing, 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 a device mode determining stage, and options for determining the device mode are displayed on a data migration interface 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; after one computer makes a mode selection, the other computer is informed of the other computer through the TCP channel established in the step L2, and the other computer automatically works in the other mode;
l4, data migration and backup: after the working modes of two migration programs are determined, a data migration stage is entered, at this time, a migration program of a target computer end working in a target computer mode enters a waiting state, a migration program of a source computer end working in a source computer mode enters a file selection state, after a user selects and confirms a file to be migrated on the source computer, at this time, whether a check box for synchronously backing up the file to be migrated to an NAS appears on a data migration interface, after checking the check box by the user, a migration instruction is sent out through a TCP channel established in the step L2, the migration program of the source computer end automatically generates a migration list according to data items selected by the user, the migration program of the target computer end automatically generates a migration list and sends the migration program to the target computer end, the migration program of the target computer end analyzes the list file and stores the migration list in a temporary folder for data comparison in a data migration process and a later data comparison use, then a data migration interface on the target computer pops up a dialogue box for selecting a file storage position, after the storage position selection is completed, a backup button is clicked to enter the data migration state, in the data migration process, migration data is synchronously enabled to be migrated on the main board, and after all the files are completely migrated, and all the migration programs are completely transferred;
L5, data verification and report export: after the data migration is completed, the migration program of the target computer side compares and verifies the data, the missing and comparison error data is retransmitted again, and after the transmission is completed, the migration program of the target computer side derives a migration report to complete the data migration;
when the working mode of the multifunctional computer data storage and migration device is NAS+wireless migration mode, the data migration method comprises the following steps:
m1, gear selection and equipment connection: the method comprises the steps that the gear of a multi-gear mode switch is arranged in a gear of a NAS+wireless migration device, a working power supply of a data storage and migration device of a multifunctional computer is started, a source computer and a target computer are not connected with USB storage equipment, and wireless migration cards of 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 starts to migrate, respectively setting a source computer and a target computer as a USB flash disk to start through BIOS, restarting the source computer and the target computer, starting a source computer migration program on a storage C and a target computer migration program on a storage D, and displaying a random connection code and a connection password on a data migration interface of the source computer and the target computer in a waiting pairing state, wherein the two migration programs are bound to fixed ports through TCP protocol to wait for connection; then inputting a connection code and a connection password of the other computer in 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 protocol after successful pairing, and automatically closing a pairing state;
M3, determining a device mode: after the pairing of the two migration programs is completed, the migration programs on the two computers enter a device mode determining stage, and options for determining the device mode are displayed on a data migration interface 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; after one computer makes a mode selection, the other computer is informed of the other computer through the TCP channel established in the step M2, and the other computer automatically works in the other mode;
m4, data migration and backup: after the working modes of two migration programs are determined, a data migration stage is entered, at this time, a migration program of a target computer end working in a target computer mode enters a waiting state, a migration program of a source computer end working in a source computer mode enters a file selection state, after a user selects and confirms a file to be migrated on the source computer, at this time, whether a check box for synchronously backing up the file to be migrated to an NAS appears on a data migration interface, after checking the check box by the user, a migration instruction is sent out through a TCP channel established in the step M2, the migration program of the source computer end automatically generates a migration list according to data items selected by the user, the migration program of the target computer end automatically generates a migration list and sends the migration program to the target computer end, the migration program of the target computer end analyzes the list file and stores the migration list in a temporary folder for data comparison in a data migration process and a later data comparison use, then a data migration interface on the target computer pops up a dialogue box for selecting a file storage position, after the storage position selection is completed, a backup button is clicked to enter the data migration state, in the data migration process, migration data is synchronously enabled to be migrated on the main board, and after all the files are completely migrated, and all the migration programs are completely transferred;
M5, data verification and report export: after the data migration is completed, the migration program of the target computer side compares and verifies the data, the missing and comparison error data is retransmitted again, and after the transmission is completed, the migration program of the target computer side derives a migration report to complete the data migration.
6. A method of data migration as claimed in claim 5, wherein: the migration list comprises a data list to be migrated, a file name and an md5 value corresponding to each piece of data and a data size; and retransmitting the file with the migration error in the data migration process, and discarding retransmission after three transmission attempts are failed.
7. A method of data migration as claimed in claim 5, wherein: after the data migration is completed, the migration program of the target computer end compares and verifies the migrated data according to a file list on a migration list received before data transmission and the md5 value of each file; the statistical information of the migration report contains a file list with successful migration, a file list with failed migration and the data quantity of migration.
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