CN1908910A - Method for data backup and recovery - Google Patents
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- CN1908910A CN1908910A CN 200610111810 CN200610111810A CN1908910A CN 1908910 A CN1908910 A CN 1908910A CN 200610111810 CN200610111810 CN 200610111810 CN 200610111810 A CN200610111810 A CN 200610111810A CN 1908910 A CN1908910 A CN 1908910A
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Abstract
The disclosed data backup method comprises: A. entering system through network; B. backuping data from target computer into the server. And the data recovery method comprises: A. guiding target into system by network; B. recovering data from server into the target computer. This invention can improve data reliability.
Description
Technical field
The present invention relates to the data processing technique of electronic communication field, particularly relate to a kind of method of Backup Data, and a kind of method of restore data.
Background technology
Along with the popularization and application of computing machine, the data of storing in the hard disc of computer are also more and more important, also get over important for the backup and the recovery of hard disc data thereupon.
The Master boot sector MBS of hard disk goes up in store startup boot and hard disk partition table, and the data of preserving on the Master boot sector in the use of hard disk may be suffered maloperation, the destruction that dual operating systems, boot-type virus are installed.If the data of preserving on the described Master boot sector are destroyed, then will cause the data of Master boot sector will lose the DISK to Image data when more serious from hard disk startup.Obviously, data backup has great important for DISK to Image to the backup of hard disk master boot sector data.
Prior art one: referring to shown in Figure 1, solution commonly used is when hard disk normally uses, in system,, perhaps Main Boot Record MBR (master boot record) and hard disk partition table DPT (Disk Partition Table) are backuped to other position in the hard disk with Master boot sector MBS (the Master boot sector) data of hard disk.When hard disk master boot sector goes to pot, after CD or floppy disk start-up system, share hard disk, and, perhaps Main Boot Record MBR and hard disk partition table DPT are returned to hard disk master boot sector the Master boot sector MBS data that back up.
This solution reliability is relatively poor.Because when hard disk master boot sector goes to pot, possible hard disk partition table has also suffered destruction, makes normally to use hard disk, and then can't read the Master boot sector MBS data that back up in the hard disk, perhaps with Main Boot Record MBR and hard disk partition table DPT.
Prior art two: referring to shown in Figure 2, also having a kind of solution at present is when hard disk normally uses, make one and start floppy disk, enter after the DOS pattern, perhaps Main Boot Record MBR and hard disk partition table DPT are backuped on this floppy disk the Master boot sector MBS data of hard disk.When hard disk master boot sector goes to pot, start the system that enters from this floppy disk, with the Master boot sector MBS data of backup, perhaps Main Boot Record MBR and hard disk partition table DPT are returned to the Master boot sector of hard disk.
There is following shortcoming in this solution:
Poor compatibility.Present technique need be used floppy drive, for server system, need consider compatible problem, and floppy drive is compatible poor, if floppy drive and server are incompatible, then can't start, thereby can't use the floppy drive backup and recover hard disk master boot sector from floppy drive.
Hardware cost is higher.Use the technical program to need the extra floppy drive that increases, to carry out system start-up and hard disk master boot sector is backed up, recovers.
Poor reliability.Disc was directly to contact with magnetic head when floppy disk read and write data, and can wear and tear in the read-write process, so data are fragile.
Read or write speed is slow.Floppy disk is owing to the technology of using disc and magnetic head directly to contact, so rotating speed is slower, thereby data transmission rate is also lower.
Summary of the invention
The invention provides the backup and the method for restore data, in order to the method that solves existing backup and restore data in the problem aspect the reliability.
The method of Backup Data of the present invention comprises the following steps:
A, enter system by the netboot target machine;
B, the data in the target machine are backuped in the storage medium of server.
Data in the described target machine are the Master boot sector data.
Comprise in the described steps A: the storage medium of server is shared to the target machine local side.Can the storage medium of server be shared to the target machine local side by network file system(NFS) NFS.
Among the described step B, the order that carries in the system that uses target machine to load backups to the data in the target machine in the storage medium of server.
Also comprise the following steps: before the described steps A
A1, be used for the kernel file of guidance system in server side compiling;
A2, follow PXE and start before the execution environment standard, make target machine obtain described kernel file;
A3, carry out described kernel file at target machine one end.
Described step a2 comprises the following steps: that target machine adopts dynamic host configuration protocol DHCP, to Dynamic Host Configuration Protocol server application IP address; Dynamic Host Configuration Protocol server is target machine distributing IP address, and returns the IP address that obtains the simple file transfer protocol tftp server; Target machine obtains described kernel file according to the IP address of described tftp server from tftp server.
Also comprise before the described step a2: server enters the operation that should carry out after the system according to the unique identification of target machine for this target machine customizes, and the assigned operation target data file.
Can carry out data backup simultaneously by at least two target machines.
The method of restore data of the present invention comprises the following steps:
A, enter system by the netboot target machine;
B, backed up data in the storage medium of server is returned to target machine.
Backed up data is the Master boot sector data of the target machine that backed up in the storage medium of described server.
Comprise in the described steps A: the storage medium of server is shared to the target machine local side.Can the storage medium of server be shared to the target machine local side by network file system(NFS) NFS.
Among the described step B, the order that carries in the system that uses target machine to load returns to target machine with backed up data in the storage medium of server.
Also comprise the following steps: before the described steps A
A1, be used for the kernel file of guidance system in server side compiling;
A2, follow PXE and start before the execution environment standard, make target machine obtain described kernel file;
A3, carry out described kernel file at target machine one end.
Described step a2 comprises the following steps: that target machine adopts dynamic host configuration protocol DHCP, to Dynamic Host Configuration Protocol server application IP address; Dynamic Host Configuration Protocol server is target machine distributing IP address, and returns the IP address that obtains the simple file transfer protocol tftp server; Target machine obtains described kernel file according to the IP address of described tftp server from tftp server.
Also comprise before the described step a2: server for this target machine customization enters the operation that should carry out after the system, and finds designated data files according to the unique identification of target machine from storage medium.
Can carry out the data recovery simultaneously by at least two target machines.
Beneficial effect of the present invention is as follows:
The method of Backup Data of the present invention, no longer data are backuped in local hard drive or the startup floppy disk, but utilize preceding execution environment PXE (the Pre-Boot Execution Environment) technology of existing startup, enter system by the netboot target machine, and the storage medium of server is shared to the target machine local side; Data in the target machine (can be comprised: the Master boot sector data) backup in the storage medium of server, thereby realize the backup of data afterwards.
The method of restore data of the present invention, do not re-use local hard drive or start floppy disk target machine is carried out the data recovery, but utilize the preceding execution environment PXE technology of existing startup, enter system by the netboot target machine, and the storage medium of server is shared to the target machine local side; Backed up data in the storage medium of server (can be comprised: the Master boot sector data) return to target machine afterwards.
The storage medium of described server can be the RAID1 disk array, can effectively improve the reliability of Backup Data, reduces backup medium and damages the probability that causes Backup Data to lose.
The present invention uses the netboot target machine to enter system, and target machine only need be equipped with supports the network interface card of PXE to get final product, and does not need to use equipment such as floppy drive.And along with the popularizing of network, the computing machine in the practical application is at present gone up substantially and all has been equipped with the network interface card that network enabled starts, so can reduce target machine system hardware cost, can avoid target machine and the incompatible problem of floppy drive simultaneously.
If server enters operation and the Action Target data file that should carry out after the system according to the unique identification of target machine for this target machine customization, then the present invention can support many target machines to back up simultaneously and recovery operation, improves the work efficiency of backup and restore data.
The present invention only needs on server many target machines to be unified configuration (as: compiling kernel file), is provided with from network interface card then to start in target machine BIOS, can finish whole backup and recovery operation automatically, obviously for the user, operates very easy.
Description of drawings
Fig. 1 is prior art reaches the Master boot sector data backup restore data on hard disk a method flow diagram;
Fig. 2 is prior art reaches the Master boot sector data backup restore data on floppy disk a method flow diagram;
Fig. 3 is conventional networking structure synoptic diagram;
Fig. 4 is the flow chart of steps of Backup Data method of the present invention;
Fig. 5 is the signaling process figure of Backup Data method of the present invention;
Fig. 6 is a PXE client terminal structure synoptic diagram;
Fig. 7 is the flow chart of steps of restore data method of the present invention;
Fig. 8 is the signaling process figure of restore data method of the present invention.
Embodiment
In order to improve the reliability of backup and restore data method, the invention provides a kind of method of Backup Data, referring to shown in Figure 3, this method is based on the networking structure of routine.This networking structure comprises by several target machines, the switch of TCP/IP network interconnection and is used for Backup Data and the server of restore data.
Described target machine includes but not limited to personal computer PC or minicomputer, but it must possess the network interface card that network enabled starts, can in basic input-output system BIOS, be provided with from the network interface card channeling conduct and start computing machine, to realize entering system, finish the backup and the recovery of data by the netboot target machine.
The equipment of described switch for realizing that arbitrarily network connects includes but not limited to hub Hub, switch Switch, router Router.If have only a target machine, then can omit this equipment.
Described server includes but not limited to be built-in with the computing machine of Redundant Array of Independent Disks (RAID) RAID.
Adopt wireless network card to be connected in the above-mentioned networking structure between server and the switch, also can adopt the RJ45 wired network adapter to connect.Adopt wireless network card to be connected between switch and each target machine, also can adopt the RJ45 wired network adapter to connect.Simultaneously also can adopt other possible networking modes, as long as can realize entering system by the netboot target machine, then all should be within protection scope of the present invention.
Based on above-mentioned networking structure, the method for Backup Data of the present invention comprises following key step:
● at first, enter system, share to the target machine local side in order to storage medium with server by the netboot target machine.
In this step, the system that described target machine enters is not limited to Linux series operating system, also can be other operating systems such as Windows series operating system, Unix series operating system.
In this step, described server is not limited to use NFS that the storage medium of server is shared to the target machine local side, also can use other shared file modes, as: the SAMBA agreement, realize sharing of storage medium.
In this step, the hard disk that described server is not limited to adopt the RAID1 disk array also can adopt as storage mediums such as SCSI hard disk, RAID0/3/5 array, single IDE hard disk, magnetic tape station, tape library, CD, flash as storage medium.
● afterwards, the data in the target machine are backuped in the storage medium of server, to finish data backup.
In this step, data to be backed up include but not limited to the Master boot sector data in the target machine.
In this step, the order that carries in the system that uses target machine to load backups to the data in the target machine in the storage medium of server.
● before entering system, also need compile kernel file, to realize entering system by the netboot target machine by the netboot target machine.
The system that loads with target machine is corresponding, described target machine is carried out the kernel file that netboot adopted, and is not limited to the linux kernel file, also can adopt the kernel file of systems such as Unix.
Below be example with Linux series operating system, referring to Fig. 4 and shown in Figure 5, the method for Backup Data of the present invention comprises following concrete steps:
S10, compiling kernel file.
This step is a preparation process.In this example, guidance system is the linux system based on the unattended project, so can issue option program to upgrade according to the version of unattended in the application afterwards, present used version be Unattended4.5, and the kernel version of startup is 2.6.9.The bag linux-2.6.9.tar.bz2. that downloads needed to confirm the version of gcc before compiling, it is 3.3 that described compiling requires the gcc version.Download the back decompress(ion), and compiling generates required guidance system kernel file bzImage.
S11, target machine obtain the IP address of TFTP (Trivial File Transfer Protocol, simple file transfer protocol) server.
In the inventive method, netboot starts the procedure division of target machine and follows the PXE standard.PXE is a subclass of Intel ' s WfM (Wired for management) standard, allow main frame to start from the webserver prior to local disk, PXE also is to DHCP (Dynamic Host Configure Protocol simultaneously, DHCP) expansion, DHCP supports PXE by the configuration file scaling option.
PXE can be divided into client's pattern and server mode.Usually the PXE service is provided by DHCP service and TFTP service collaboration; The PXE client is cured in the read only memory ROM of the network interface card of supporting the PXE network startup, the interface that described PXE client is supported is referring to shown in Figure 6, comprise: application programming interface Pre-Boot API, TFTP API, UDP API, UNDI API before starting, and the interface that service is provided for Bootstrap (pxelinux.0).
In this step, target machine is followed the PXE standard, to Dynamic Host Configuration Protocol server request IP address; Dynamic Host Configuration Protocol server is that target machine distributes valid ip address, returns the IP address of tftp server simultaneously in the lump.(with reference to " PXE Specification V2.1 " detailed process)
S12, target machine obtain described kernel file from tftp server.
After target machine obtains the IP address of tftp server, download Bootstrap network bootstrap startup file pxelinux.0, configuration file, kernel file, root file system file from tftp server in view of the above.(with reference to " PXE Specification V2.1 " detailed process)
S13, enter system by the netboot target machine.
Target machine starts described kernel file, realizes entering system by the netboot target machine.
After entering system, target machine automatically performs the functional software of Backup Data.This software uses network file system(NFS) NFS service, and the storage medium on the server (redundancy array in disc RAID 1) is shared to the target machine local side.
S14, the data in the target machine are backuped in the storage medium of server.
The order that target machine uses system's (being (SuSE) Linux OS in this example) of loading to carry automatically, as: the dd order of using (SuSE) Linux OS to carry, data on the local hard drive (including but not limited to the Master boot sector data) are write in the storage medium on the server that is shared in the target machine local side, thus the backup of realization data.
Before step S11, if server is according to the medium access control MAC Address (MAC Address is used global unique coding rule) of each target machine, be respectively each target machine customization and enter the operation (this example is backup) that to carry out after the system, and the assigned operation target data file, then the inventive method also can be supported simultaneously many target machines to be carried out backup operation respectively.DHCP in the PXE network startup, TFTP and NFS service all can be supported a plurality of clients simultaneously, PXE can customize the operative configuration file and the storage medium space of each target machine according to the MAC Address of target machine network interface card respectively, thereby effectively distinguishes different target machines.
Based on above-mentioned networking structure, the method for restore data of the present invention comprises following key step:
● at first, enter system, share to the target machine local side in order to storage medium with server by the netboot target machine.
In this step, the system that described target machine enters is not limited to Linux series operating system, also can be other operating systems such as Windows series operating system, Unix series operating system.
In this step, described server is not limited to use NFS that the storage medium of server is shared to the target machine local side, also can use other shared file modes, as: the SAMBA agreement, realize sharing of storage medium.
In this step, the hard disk that described server is not limited to adopt the RAID1 disk array also can adopt as storage mediums such as SCSI hard disk, RAID0/3/5 array, single IDE hard disk, magnetic tape station, tape library, CD, flash as storage medium.
● afterwards, backed up data in the storage medium of server is returned to target machine, recover to finish data.
In this step, backed up data includes but not limited to the Master boot sector data of the target machine that backed up in the storage medium of described server.
In this step, the order that carries in the system that uses target machine to load returns to target machine with backed up data in the storage medium of server.
● before entering system, also need compile kernel file, to realize entering system by the netboot target machine by the netboot target machine.
The system that loads with target machine is corresponding, described target machine is carried out the kernel file that netboot adopted, and is not limited to the linux kernel file, also can adopt the kernel file of systems such as Unix.
Below be example with Linux series operating system, referring to Fig. 7 and shown in Figure 8, the method for restore data of the present invention comprises following concrete steps:
S20, compiling kernel file.(S10 is identical with step)
S21, target machine obtain the IP address of tftp server.(S11 is identical with step)
S22, target machine obtain described kernel file from tftp server.(S12 is identical with step)
S23, enter system by the netboot target machine.(S13 is identical with step)
S24, backed up data in the storage medium of server is returned to target machine.
The order that target machine uses system's (being (SuSE) Linux OS in this example) of loading to carry automatically, as: the dd order of using (SuSE) Linux OS to carry, data (including but not limited to the Master boot sector data) in the storage medium that is shared on the server of target machine local side are returned on the local hard drive, thereby realize the recovery of data.
Before step S21, if server is according to the medium access control MAC Address (MAC Address is used global unique coding rule) of each target machine, be respectively each target machine customization and enter the operation (this example is for recovering) that to carry out after the system, and from storage medium, find designated data files, then the inventive method also can be supported simultaneously many target machines to be carried out recovery operation respectively.DHCP in the PXE network startup, TFTP and NFS service all can be supported a plurality of clients simultaneously, and PXE can search corresponding operative configuration file and storage medium space according to the MAC Address of target machine network interface card, thereby effectively distinguish the data of different target machine.
In sum, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (18)
1, a kind of method of Backup Data is characterized in that, comprises the following steps:
A, enter system by the netboot target machine;
B, the data in the target machine are backuped in the storage medium of server.
2, the method for claim 1 is characterized in that, the data in the described target machine are the Master boot sector data.
3, the method for claim 1 is characterized in that, also comprises in the described steps A: the storage medium of server is shared to the target machine local side.
4, method as claimed in claim 3 is characterized in that, by network file system(NFS) NFS the storage medium of server is shared to the target machine local side.
5, method as claimed in claim 3 is characterized in that, among the described step B, the order that carries in the system that uses target machine to load backups to the data in the target machine in the storage medium of server.
6, as each described method of claim 1 to 5, it is characterized in that, also comprise the following steps: before the described steps A
A1, be used for the kernel file of guidance system in server side compiling;
A2, follow PXE and start before the execution environment standard, make target machine obtain described kernel file;
A3, carry out described kernel file at target machine one end.
7, method as claimed in claim 6 is characterized in that, described step a2 comprises the following steps:
-target machine adopts dynamic host configuration protocol DHCP, to Dynamic Host Configuration Protocol server application IP address;
-Dynamic Host Configuration Protocol server is target machine distributing IP address, and returns the IP address that obtains the simple file transfer protocol tftp server;
-target machine obtains described kernel file according to the IP address of described tftp server from tftp server.
8, method as claimed in claim 6 is characterized in that, at least two target machines carry out data backup simultaneously.
9, method as claimed in claim 8 is characterized in that, also comprises before the described step a2: server enters the operation that should carry out after the system according to the unique identification of target machine for this target machine customizes, and the assigned operation target data file.
10, a kind of method of restore data is characterized in that, comprises the following steps:
A, enter system by the netboot target machine;
B, backed up data in the storage medium of server is returned to target machine.
11, method as claimed in claim 10 is characterized in that, backed up data is the Master boot sector data of the target machine that backed up in the storage medium of described server.
12, method as claimed in claim 10 is characterized in that, also comprises in the described steps A: the storage medium of server is shared to the target machine local side.
13, method as claimed in claim 12 is characterized in that, by network file system(NFS) NFS the storage medium of server is shared to the target machine local side.
14, method as claimed in claim 12 is characterized in that, among the described step B, the order that carries in the system that uses target machine to load returns to target machine with backed up data in the storage medium of server.
15, as each described method of claim 10 to 14, it is characterized in that, also comprise the following steps: before the described steps A
A1, be used for the kernel file of guidance system in server side compiling;
A2, follow PXE and start before the execution environment standard, make target machine obtain described kernel file;
A3, carry out described kernel file at target machine one end.
16, method as claimed in claim 15 is characterized in that, described step a2 comprises the following steps:
-target machine adopts dynamic host configuration protocol DHCP, to Dynamic Host Configuration Protocol server application IP address;
-Dynamic Host Configuration Protocol server is target machine distributing IP address, and returns the IP address that obtains the simple file transfer protocol tftp server;
-target machine obtains described kernel file according to the IP address of described tftp server from tftp server.
17, method as claimed in claim 15 is characterized in that, at least two target machines carry out data simultaneously and recover.
18, method as claimed in claim 17, it is characterized in that, also comprise before the described step a2: server for this target machine customization enters the operation that should carry out after the system, and finds designated data files according to the unique identification of target machine from storage medium.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200610111810XA CN100403271C (en) | 2006-08-23 | 2006-08-23 | Method for data backup and recovery |
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| CNB200610111810XA CN100403271C (en) | 2006-08-23 | 2006-08-23 | Method for data backup and recovery |
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| CN1908910A true CN1908910A (en) | 2007-02-07 |
| CN100403271C CN100403271C (en) | 2008-07-16 |
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| CNB200610111810XA Expired - Fee Related CN100403271C (en) | 2006-08-23 | 2006-08-23 | Method for data backup and recovery |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101222395B (en) * | 2008-02-03 | 2010-10-27 | 华为技术有限公司 | Method, system and device for implementing selection of network guiding configuration information |
| CN101232397B (en) * | 2008-02-22 | 2010-10-27 | 成都市华为赛门铁克科技有限公司 | Apparatus and method for renovating multi controller systems |
| CN102722425A (en) * | 2012-05-23 | 2012-10-10 | 江苏信易合电子科技有限公司 | Terminal operating system and method for backing up, recovering and cloning data remotely in real time |
| CN104035837A (en) * | 2013-10-29 | 2014-09-10 | 浪潮电子信息产业股份有限公司 | Method for backing up isomorphic/isomerous UNIX/Linux host on line |
| CN104081370A (en) * | 2012-03-15 | 2014-10-01 | 惠普发展公司，有限责任合伙企业 | Accessing and replicating backup data objects |
| CN107247640A (en) * | 2017-05-22 | 2017-10-13 | 深圳市科力锐科技有限公司 | The quick restoring method and device of operating system |
| US9824131B2 (en) | 2012-03-15 | 2017-11-21 | Hewlett Packard Enterprise Development Lp | Regulating a replication operation |
| US10496490B2 (en) | 2013-05-16 | 2019-12-03 | Hewlett Packard Enterprise Development Lp | Selecting a store for deduplicated data |
| US10592347B2 (en) | 2013-05-16 | 2020-03-17 | Hewlett Packard Enterprise Development Lp | Selecting a store for deduplicated data |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6195695B1 (en) * | 1998-10-27 | 2001-02-27 | International Business Machines Corporation | Data processing system and method for recovering from system crashes |
| CN1275157C (en) * | 2004-03-04 | 2006-09-13 | 华中科技大学 | Open network computing platform based on improved linux virtual server structure |
| CN100390736C (en) * | 2004-04-23 | 2008-05-28 | 广达电脑股份有限公司 | Method and system for allocating multiple computers at far end |
-
2006
- 2006-08-23 CN CNB200610111810XA patent/CN100403271C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101222395B (en) * | 2008-02-03 | 2010-10-27 | 华为技术有限公司 | Method, system and device for implementing selection of network guiding configuration information |
| CN101232397B (en) * | 2008-02-22 | 2010-10-27 | 成都市华为赛门铁克科技有限公司 | Apparatus and method for renovating multi controller systems |
| CN104081370A (en) * | 2012-03-15 | 2014-10-01 | 惠普发展公司，有限责任合伙企业 | Accessing and replicating backup data objects |
| US9824131B2 (en) | 2012-03-15 | 2017-11-21 | Hewlett Packard Enterprise Development Lp | Regulating a replication operation |
| CN102722425A (en) * | 2012-05-23 | 2012-10-10 | 江苏信易合电子科技有限公司 | Terminal operating system and method for backing up, recovering and cloning data remotely in real time |
| US10496490B2 (en) | 2013-05-16 | 2019-12-03 | Hewlett Packard Enterprise Development Lp | Selecting a store for deduplicated data |
| US10592347B2 (en) | 2013-05-16 | 2020-03-17 | Hewlett Packard Enterprise Development Lp | Selecting a store for deduplicated data |
| CN104035837A (en) * | 2013-10-29 | 2014-09-10 | 浪潮电子信息产业股份有限公司 | Method for backing up isomorphic/isomerous UNIX/Linux host on line |
| CN107247640A (en) * | 2017-05-22 | 2017-10-13 | 深圳市科力锐科技有限公司 | The quick restoring method and device of operating system |
| CN107247640B (en) * | 2017-05-22 | 2020-07-14 | 深圳市科力锐科技有限公司 | Rapid restoration method and device for operating system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100403271C (en) | 2008-07-16 |
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