CN1696914A - Method and device for remote storing data - Google Patents
Method and device for remote storing data Download PDFInfo
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Abstract
A data remote storage unit consists of interface device, communication device and microprocessing unit to connect the two to each other. The remote storing method includes utilizing software mode to virtualize out a data storing device, utilizing data storing device of communication unit to set up connections to remote storing server for providing data storing operation to realize data remote storage.
Description
Technical field
The present invention is about the data storage and the communications field, particularly a kind of method and device of remote data storage.
Background technology
Constantly develop in infotech, perfect day by day current of network transmission technology particularly, flash memory device brings storage simultaneously easily the user, the memory capacity of flash memory device has become the bottleneck of its application, existing flash memory device is by improving the capacity of its onboard flash memory chip (Flash Memory), to improve the storage capacity of data, yet the raising of the memory capacity of single-chip flash memory device, be subjected to the restriction of semiconductor fabrication process, the amplitude that capacity improves is limited, and by increasing the quantity of flash chip, improve the capacity of flash memory device, to cause moving the increase of the volume of depositing, the convenience that moves with flash memory device produces contradiction.
Another aspect, the storage of its data of flash memory device now are to utilize built-in flash chip to realize, thereby the capacity of flash memory device can not expand, and have limited its application in the high capacity field of storage.
In view of this, effectively improve flash memory device capacity become urgent problem in the current mobile storage field.
Summary of the invention
Because the storage of existing its data of flash memory device is to utilize built-in flash chip (FlashMemory) to realize, thereby the memory capacity of flash memory device is limited and can not expand, and the technical problem to be solved in the present invention provides a kind of method that can effectively improve flash memory device memory capacity.
Another technical matters that the present invention will solve provides a kind of device with remote data storage.For this reason, the technical scheme of technical solution problem of the present invention provides a kind of method of remote data storage, comprise that setting up the remote data memory storage is connected with data between the data processing main frame, described remote data memory storage comprises communication unit, and described communication unit drives through network submodular becomes the network equipment; Set up virtual memory facilities, described virtual memory facilities is set up through the described network equipment and is connected with the remote storage data in server; Reach described virtual memory facilities and accept the instruction of data processing main frame, data transmission to remote storage server is stored, or receive data from the remote storage server by the described network equipment by the described network equipment.
The interface unit that provides described remote data memory storage to be connected with the data processing host data is provided a kind of remote data memory storage; Provide described remote data memory storage to set up the communication unit that data are connected with the remote storage server, described communication unit drives through network submodular becomes virtual network device; And provide the be connected microprocessing unit of described communication unit with described interface unit, it is characterized in that, described remote data memory storage comprises virtual memory device, and described virtual memory facilities is set up through described virtual network device and is connected with the remote storage data in server.
Compare the available data memory technology, date storage method provided by the invention is stored in one by the integration networks communications and data, set up the device of remote data storage and being connected of server, realized the real-time mobile storage of data, the demand that has greatly made things convenient for storage of subscriber data to be connected with network.
With respect to prior art, the device beneficial effect of remote data storage of the present invention is: at first, its data storage capacity can distribute as required, capacity big or small unrestricted, secondly, its data are not stored in the flash memory device, can be because of the loss of flash memory device, damage causes losing of data, improved the safety of data storage, once more, because of there not being the unit of data storage in the flash memory device, reduced the cost of flash memory device, in addition, the device of remote data storage of the present invention can also be independent of the function of the remote storage realization network service of data.
Description of drawings
Fig. 1 is a remote data memory storage theory diagram of the present invention;
Fig. 2 is the soft USB HUB of a remote data memory storage of the present invention johning knot composition;
Fig. 3 is the software systems boot flow figure of remote data memory storage of the present invention;
Fig. 4 is the process flow diagram that the virtual unit of remote data memory storage of the present invention loads;
Fig. 5 is the process flow diagram to the data transmission of remote data memory storage of the present invention.
Embodiment
Remote data memory storage main frame provided by the invention is realized the integrated of the remote storage of data and card of surfing Internet function, the user can be connected with the data processing main frame by this device, and be stored in data on the remote service by access to netwoks, realize remote storage to data.
The various electronic equipments that data-handling capacity is arranged of data handling system general reference of the present invention, include but not limited to various personal computers, small-size computer, data processing work station and various exclusive data disposal system with external memory function, particularly all kinds of wireless portable equipment, as wireless devices such as notebook computer, PDA, mobile phones, and has digital household appliances of Radio Resource etc.
See also Fig. 1, the theory diagram of remote data memory storage provided by the invention, described remote data memory storage mainly is made of interface unit 20, microprocessing unit 30, communication unit 40.Described interface unit 20 and communication unit 40 connect microprocessing unit 30 respectively, accept the control of microprocessing unit 30, carry out the operation of data.
Described interface unit 20 be mainly used in remote data memory storage of the present invention and data processing main frame between set up data and be connected, realize communicating by letter between data processing main frame and the remote data memory storage, described interface unit can adopt but be not limited to wired interface unit such as USB interface, IEEE1394 interface, IDE/SCSI interface, RS232 interface, RS485 interface, USB OTG (USB On-The-Go) interface, UWB (Ultra Wide Band) interface, GPIO interface, UART interface, parallel interface; Also can be radio interface unit such as blue tooth interface, HomeRF interface, IrDA infrared interface, 802.11 interfaces.The interface mode of interface unit 20 employings in the present embodiment is USB interface, a preferred scheme is the data layout that is mapped to the RS232 serial line interface by the data layout with USB interface, like this from the angle of operating system and application program, the present invention is a serial device, and traditional in theory application program based on serial port does not add modification just can be applied to the present invention.
The interface unit 20 of remote data memory storage of the present invention adopts USB interface, and the required working power of remote data memory storage can be drawn from the external data disposal system by USB interface, also can adopt self-powered certainly.Need further be pointed out that, if the interface unit of remote data memory storage 20 adopts the wave point mode, as blue tooth interface (Blue tooth), infrared interface, 802.11 interfaces in any interior wave point mode, the remote data memory storage must carry working power, described self-powered can be battery, rechargeable battery etc.
Microprocessing unit 30 comprises wireless data communications control module and storage control module, and described wireless data communications control module and storage control module can be independently, also can unite two into one.Be solidified with first solidification software in the described microprocessing unit 30; Its major function is: by standard RS232 serial ports finish with communication unit 40 between communicate by letter; Also be solidified with second solidification software in the described microprocessing unit 30, its major function is control interface unit 20, finish with interface unit 20 between communicate by letter, have control function simultaneously concurrently to serial, parallel or wireless communication interface, and by interface unit 20 finish and the data processing main frame between data communication.
Communication unit 40 is mainly used in to be set up described remote data memory storage and is connected with data between the internet, thereby realize transmission to data, in this real mode, described communication unit 40 adopts wireless wide area network communication radio receiving transmitting module, with the wireless transmission of implement device to data, described communication unit 40 is connected with the standard that is connected to RS232 interface between the microprocessing unit 30.In the present embodiment, communication unit 40 adopts chip Siemens TC35 module, and this moment, remote data memory storage of the present invention can work in the GSM network; Communication unit 40 also can adopt Wavecom WISO2C module or UbiNeticsGM400/GM401 module in addition, and this moment, remote data memory storage of the present invention can work in GSM network and GPRS network; Radio receiving transmitting module also can adopt other module, makes radio data communication equipment of the present invention can work in other networks such as CDMA.
Described communication unit 40 can adopt three kinds of communication modules such as wireless wide area network communication module, wireless local area network communications module and cable LAN communication module, thereby make whole device to be connected in a different manner with between the network on demand, aforesaid three kinds of communication modules are not coexistence, but interchangeable.
Remote data memory storage of the present invention also comprises status display unit 50, is used to show the state of whole device work, by different interchangeable state indicating modules, can realize multiple different state indicating modes such as LED, LCD.
On the basis of aforementioned means, the scheme of remote network storage of the present invention is the network communications capability of use device itself, on the basis of ISCSI agreement, service end is carried out the action of data storage.Whole process is finished jointly by virtual mass storage device (Virtual Mass Storage Device), ISCSI submodule, network submodular, network physical passage, service end.
The whole core of the scheme of remote network storage of the present invention is by to originally mutual scsi command reanalyses, screens between USB interface, work such as packing realizes our needed specific function.These specific functions comprise: authentication between the remote storage of the setting of user and configuration information and preservation, data, the cipher mode of data transmission and the server or the like.
This case of side to whole remote network storage is described in detail below:
Remote data memory storage of the present invention is by solidifying different software at microprocessing unit 30, finish corresponding data processing function, described software section is made up of several parts such as USB device submodule, ISCSI submodule, network submodular, main control modules, each submodule is separate, is coordinated by the main control module.Be described with regard to each software module below.
This part of USB device submodule is mainly finished following two functions, realize soft USB HUB (usb hub) and virtual USB equipment, described soft USB HUB is that the mode by software fictionalizes a USB HUB, described soft USB HUB will meet the USB standard fully, provide different virtual USB device to connect.Described virtual USB equipment is that the mode by software fictionalizes the USB mass-memory unit and the USB network equipment, and sets up with the external world by soft USB HUB and to carry out exchange message.See also Fig. 2, soft USB HUB 62 connects virtual the USB mass-memory unit 66 and the USB network equipment 64.
The ISCSI submodule mainly is responsible for the scsi command bag further is encapsulated as the IP packet, and sends it to server by network and get on, and this part is followed the ISCSI standard.
The communication unit 40 that network submodular mainly is responsible for driving hardware becomes a USB network equipment 64, the USB network equipment 64 mainly comprises USB modem and USB network adapter (USB NetworkAdapter) two classes, at different USB network adapter, thereby adopt different network submodular, comprise with cdma network submodule, GPRS network submodule, too network submodular, 802.11g network submodular etc.Wherein CDMA and GPRS will be corresponding to USB network adapter.Ethernet and 802.11g network submodular will be corresponding to USB modem.Network submodular is carried out corresponding driving according to the hardware configuration of communication unit 40 employings of remote storage, particular hardware equipment is operated, thereby make communication unit 40 become a real network equipment, in the present embodiment, by chip SiemensTC35 is driven, make it become a real wireless network card, be independent of memory storage and move.
The main control module is the coordination unit of whole software part, is responsible for coordinating each submodule and carries out work, and create, nullify and dispose each submodule according to corresponding state.
Remote data memory storage of the present invention is inserted into the corresponding interface of data processing equipment as the user, in present embodiment is the USB interface that is linked into data processing equipment, at this moment, microprocessing unit 30 built-in guidance systems are moved immediately, execution is to the loading work of correlation function module, and concrete boot flow sees also Fig. 3.
The first step: carry out the loading of main control module, unsuccessful as the main control module loading, then system bootstrap failure;
Second step: as the success of main control module loading, carry out the loading of network submodular, load as network submodular and get nowhere, then system bootstrap failure;
The 3rd step: loads successfully as network submodular, judge whether connect to go up long-range clothes and be equipped with device, long-range clothes are not equipped with device as not connecting upward, and then system bootstrap is failed;
The 4th step: as connect long-range clothes and be equipped with device, carry out the ISCSI submodule and load, load unsuccessfully as the ISCSI submodule, then system bootstrap is failed;
The 5th step: loads successfully as the ISCSI submodule, carry out the USB device submodule and load, as load success, then system bootstrap end, as load unsuccessfully, lose system bootstrap and fail.
Each functional module in the remote data memory storage load complete after, the solidification software in the device is carried out the driving to equipment, sets up the remote data memory storage and is connected with data between the data handling system, concrete execution flow process sees also Fig. 4.
At first carry out the loading of soft USB HUB,, set up the remote data memory storage and be connected with data between the data processing main frame by usb interface unit 20 by loading USB HUB;
Next, the loading of actuating equipment driver, the loading of described device driver are mainly used in and drive being connected between the virtual USB network equipment and virtual USB mass-memory unit and the soft USB HUB;
After soft USB HUB receives the virtual USB network equipment and virtual USB mass-memory unit, soft USB HUB begins to report to the data processing main frame, carry out the registration of equipment, host operating system is received after the report of soft USB HUB, is the drive that device distributes corresponding USB network equipment identifier and USB mass-memory unit.
So far, the loading of equipment success, the passage of the data transmission of remote data memory storage and data processing main frame is set up complete, and the remote data memory storage is in the operational order of waiting for the user.
The process of whole remote data memory storage remote storage comprises:
One. device start
After whole device powers on, after the establishment and initialization of network portion really finished in the levelling of main control module, then main control module will be called the submodule with initialization ISCSI, and by calling the USB device submodule, found and the initialization USB mass-memory unit and the USB network storage equipment, and these two modules are carried out corresponding setting according to configuration file, so that the work that it can be correct.
Two. authentication
After the correct startup of remote data memory storage, the USB mass-memory unit will connect the storage server of far-end according to the described information of configuration, and in authentication by back notification data processing host: as " having a USB mass-memory unit to power on " be shown here, so far, a drive will appear on the data processing main frame.
Three. transmission
Transmission course then is that a scsi data is sealed the process of dress, deblocking and forwarding, comprises sending and receive two parts.For transmission: virtual USB mass-memory unit obtained by the data processing main frame send behind the packet, by screening, some can the local packet of handling be screened carry out this locality processing, then be sent to the ISCSI module for the needs data packets for transmission and handle.The ISCSI submodule is sealed scsi data and is dressed up the IP packet, ISCSI packet just, and send it to storage server by communication unit 40.For reception: the USB mass-memory unit of plan obtains the ISCSI bag that sends from storage server by communication unit 40 detecting networks, and it is carried out deblocking handle.Be forwarded to the data processing main frame then.
Four. nullify
This process will cause closing of virtual USB mass-memory unit, and this process is by nullifying from the remote storage server, thereby discharge the each several part resource in service end and the device.The stores service end then will be refused any solicited message of sending from this equipment after nullifying.
Five. device shutdown
Device shutdown will cause the disappearance of drive on the connected data processing main frame, will make the unloading of the virtual USB mass-memory unit in the device by device shutdown.Thereby make its shared resource obtain to discharge.
Six. configuration
Configuration mainly is to carry out on the data processing main frame, by on the data processing main frame, moving configurator, this configurator will be by privately owned order mode with the configuration distributing revised to connected remote data memory storage, device is being provided with the corresponding submodule in installing according to this configuration information.Some other the parameter that described configuration comprises that server info, user profile and device operation relied on.
Configuration to the data remote storage also can be carried out at server end, is carried out directly that by server end the file access authority that comprises corresponding remote data memory storage is configured, and the capacity of corresponding each remote storage is provided with.The configuration of described remote data memory storage also can be produced the client transmission and be instructed to server end, by the correlation parameter that require configuration data remote storage of server end according to instruction.
Need to prove, therefore to have only when whole network is ready in the device because all data are to be stored in the remote storage server, described virtual USB mass-memory unit could be carried out storage work.
Remote network storage flow process about remote data memory storage of the present invention sees also Fig. 5, and in fact the network stored data flow process is exactly one follows the ICSCI agreement and carry out mutual process, and it also as SCSI, adopts one to answer a mode of answering.
At first, for the CSCI packet that sends, whether device detects the ISCSI submodule and loads, if do not load, then prompting produces mistake; Load as the ISCSI submodule, then data encapsulation is become the ISCSI packet;
Next, whether system detects network submodular and loads, and prompting produces mistake as not loading then; If network submodular loads, then packet sends far-end server, and wait acknowledge;
In the process of wait acknowledge, whether judgement replys overtime, if wait timeout, then prompting makes a mistake; If there is not wait timeout, then the packet of receiving is split into the scsi data bag, and the logical aforesaid mode of the result that will carry out is returned.
Stores service end main task is to receive every request that client is sent, and will return the needed Various types of data of client and operate accordingly according to this request.In order to adapt to all kinds of high capacity storage operations under the ISCSI standard, can not influence own visit on the server simultaneously again to memory device.Service end will take the method for file virtual disk to handle the requirement of client to blocks of data.Service end also will be taked the user management strategy of similar LNIX in addition, this means be not only each customer set up just at a file that is used for virtual disk, but each virtual disk all will be mapped to the diverse location in the different files.Therefore, except come virtual disk with file, all also will set up mapping relations at each client, by this mapping relations, server can search out the place of the real storage of data in the physical disk, thereby conduct interviews.
Service end receives data from the network interface of appointment, and these data are analyzed, and will judge its legitimacy for the request that client is sent.Have only when authority allows and just can carry out next step operation.
The data type that service end received comprises two classes, and one is the instruction data, and one is blocks of data.Director data comprises operations such as authentication, configuration, blocks of data then is the service data according to the ISCSI standard, will carry out the unsealing operation of IP bag to it for the blocks of data service end, it is reduced into the scsi data bag, carrying out corresponding operation, the result is packaged into the ISCSI packet is back to client then according to the bag type of this SCSI.
Mode by software on the remote data memory storage of the present invention basis that is provided with communication unit within it fictionalizes a memory device and a connection device, connect virtual memory device and communication unit (the virtual network equipment) through this virtual connection device, and set up virtual memory device by this communication unit and be connected with the data of remote storage server, when remote data memory storage and data processing main frame connect, described virtual connection device reports to the data processing main frame with the memory device and the network equipment that it connected, the data processing main frame distributes corresponding location identifier and network identifier respectively for simultaneously the memory device and the network equipment, by location identifier is operated, realize the requirement of data access, and by the configuration operation to network identifier, provide the data processing main frame to connect the internet, realize function of surfing the Net.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; to some improvements and modifications that the present invention did, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the method for remote data storage comprises:
Set up the remote data memory storage and be connected with data between the data processing main frame, described remote data memory storage comprises communication unit, and described communication unit drives through network submodular becomes the network equipment;
Set up virtual memory facilities, described virtual memory facilities is set up through the described network equipment and is connected with the remote storage data in server; And
Described virtual memory facilities is accepted the instruction of data processing main frame, by the described network equipment data transmission to remote storage server is stored, or is received data by the described network equipment from the remote storage server.
2. the method for remote storage data according to claim 1, it is characterized in that the interface between remote data memory storage and the data processing main frame comprises USB interface, IEEE1394 interface, IDE/SCSI interface, RS232 interface, RS485 interface, USB OTG (USB On-The-Go) interface, UWB (Ultra WideBand) interface, GPIO interface, UART interface, parallel interface, blue tooth interface, HomeRF interface, IrDA infrared interface, 802.11 interfaces.
3. the method for remote storage data according to claim 1 is characterized in that the data transmission between remote data memory storage and the remote storage server is followed the ISCSI agreement.
4. the method for remote storage data according to claim 1 is characterized in that set up a virtual connection device, described virtual connection device provides the described virtual memory facilities and the described network equipment to be connected with the data of data processing main frame.
5. the method for remote storage data according to claim 1 is characterized in that described virtual connection device is USB HUB.
6. the method for remote storage data according to claim 1 is characterized in that described communication unit comprises can adopt wireless wide area network communication module, wireless local area network communications module and/or cable LAN communication module.
7. the interface unit that provides described remote data memory storage to be connected with the data processing host data is provided a remote data memory storage; Provide described remote data memory storage to set up the communication unit that data are connected with the remote storage server, described communication unit drives through network submodular becomes virtual network device; And provide the be connected microprocessing unit of described communication unit with described interface unit, it is characterized in that, described remote data memory storage comprises virtual memory device, and described virtual memory facilities is set up through described virtual network device and is connected with the remote storage data in server.
8. as remote data memory storage as described in the claim 7, it is characterized in that, described remote data memory storage comprises virtual connection device, described virtual connection device provides the data of described virtual memory facilities and described virtual network device to connect, and sets up described virtual memory facilities and described virtual network device is connected with the data of data processing main frame through interface unit.
9. as remote data memory storage as described in the claim 8, it is characterized in that described virtual connection device is virtual USB HUB.
10. as remote data memory storage as described in the claim 7, it is characterized in that, described remote data memory storage comprises USB device submodule, ISCSI submodule, network submodular and main control module, and each submodule is separate, is coordinated by the main control module.
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| CNB2004100272074A CN100458744C (en) | 2004-05-11 | 2004-05-11 | Method and device for remote storing data |
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| CNB2004100272074A CN100458744C (en) | 2004-05-11 | 2004-05-11 | Method and device for remote storing data |
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Cited By (10)
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| CN101202758B (en) * | 2006-12-14 | 2010-08-25 | 英业达股份有限公司 | Method for network virtual storage of multi-client terminals |
| CN102025751A (en) * | 2009-09-21 | 2011-04-20 | 深圳市闪联信息技术有限公司 | Method, device and system for remotely accessing data |
| CN101551802B (en) * | 2008-04-03 | 2011-09-21 | 纬创资通股份有限公司 | File access method used for management system |
| CN102243614A (en) * | 2010-05-12 | 2011-11-16 | 深圳市江波龙电子有限公司 | Network virtual storage equipment |
| CN102281264A (en) * | 2010-06-13 | 2011-12-14 | 杭州华三通信技术有限公司 | Virtual universal serial bus (USB) system, equipment and method for realizing USB host remote access |
| CN102487395A (en) * | 2010-12-01 | 2012-06-06 | 深圳市闪联信息技术有限公司 | Method, device and system for realizing data access |
| CN102662881A (en) * | 2012-03-26 | 2012-09-12 | 深圳市朗科科技股份有限公司 | USB (Universal serial bus) interconnection device and USB interconnection system |
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| CN102981085A (en) * | 2012-12-08 | 2013-03-20 | 江苏泰斯特电子设备制造有限公司 | Dynamic signal test and analysis system of universal serial bus interface |
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| KR20010088528A (en) * | 2001-08-02 | 2001-09-28 | 전대식 | A portable storage device and Method for using a remote storage device in the network as auxiliary memory of the local computer system by using the same device |
| CN1258145C (en) * | 2002-08-06 | 2006-05-31 | 中国科学院计算技术研究所 | System of intellignent network storage device based on virtual storage |
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| CN101202758B (en) * | 2006-12-14 | 2010-08-25 | 英业达股份有限公司 | Method for network virtual storage of multi-client terminals |
| CN101551802B (en) * | 2008-04-03 | 2011-09-21 | 纬创资通股份有限公司 | File access method used for management system |
| CN102025751B (en) * | 2009-09-21 | 2013-04-24 | 北京闪联云视信息技术有限公司 | Method, device and system for remotely accessing data |
| CN102025751A (en) * | 2009-09-21 | 2011-04-20 | 深圳市闪联信息技术有限公司 | Method, device and system for remotely accessing data |
| CN102243614A (en) * | 2010-05-12 | 2011-11-16 | 深圳市江波龙电子有限公司 | Network virtual storage equipment |
| CN102281264A (en) * | 2010-06-13 | 2011-12-14 | 杭州华三通信技术有限公司 | Virtual universal serial bus (USB) system, equipment and method for realizing USB host remote access |
| CN102281264B (en) * | 2010-06-13 | 2014-03-26 | 杭州华三通信技术有限公司 | Virtual universal serial bus (USB) system, equipment and method for realizing USB host remote access |
| CN102487395A (en) * | 2010-12-01 | 2012-06-06 | 深圳市闪联信息技术有限公司 | Method, device and system for realizing data access |
| CN102487395B (en) * | 2010-12-01 | 2014-11-05 | 北京闪联云视信息技术有限公司 | Method, device and system for realizing data access |
| CN102970313A (en) * | 2011-08-31 | 2013-03-13 | 北京中电华大电子设计有限责任公司 | System for achieving wireless virtual universal serial bus (USB) flash disk based on wireless local area network (WLAN) technology |
| CN102662881A (en) * | 2012-03-26 | 2012-09-12 | 深圳市朗科科技股份有限公司 | USB (Universal serial bus) interconnection device and USB interconnection system |
| CN102981085A (en) * | 2012-12-08 | 2013-03-20 | 江苏泰斯特电子设备制造有限公司 | Dynamic signal test and analysis system of universal serial bus interface |
| CN103780707A (en) * | 2014-02-25 | 2014-05-07 | 联想(北京)有限公司 | Method and device for data transmission |
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| CN100458744C (en) | 2009-02-04 |
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