CN105718330A - Linux system backup data recovery method and device - Google Patents
Linux system backup data recovery method and device Download PDFInfo
- Publication number
- CN105718330A CN105718330A CN201610029395.7A CN201610029395A CN105718330A CN 105718330 A CN105718330 A CN 105718330A CN 201610029395 A CN201610029395 A CN 201610029395A CN 105718330 A CN105718330 A CN 105718330A
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- storage device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
- G06F11/1466—Management of the backup or restore process to make the backup process non-disruptive
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/142—Reconfiguring to eliminate the error
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
- G06F11/1469—Backup restoration techniques
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Retry When Errors Occur (AREA)
Abstract
The invention discloses a Linux system backup data recovery method and device. The method comprises the following steps of running a backup thread; collecting backup data of Linux system memory data in real time; unloading the backup data onto backup storage equipment, wherein the backup storage equipment is high-speed nonvolatile flash storage equipment arranged on a Linux server; after a Linux system reboots due to fault, running a backup recovery thread for performing backup data recovery operation; scanning the backup storage equipment and reading the backup data into a memory from the backup storage equipment; and checking the backup data, and if the backup data is inconsistent with data on ordinary storage equipment, writing the backup data into the ordinary storage equipment. The method has the advantages that the goal of protecting the data of a current system when the fault occurs is achieved; and the data before the fault occurrence can be fast recovered.
Description
Technical field
The present invention relates to technical field of data backup, particularly relate to restoration methods and the device of a kind of linux system Backup Data.
Background technology
At present, linux system is the class Unix operating system of a set of free use and Free propagation, can realizing the management to hardware resource and software resource to control, the operation of application software is required for the support of operating system, and the stable operation that operating system is business software provides infrastructure service.(SuSE) Linux OS inevitably runs into the failure exception of various software or hardware and causes system to be delayed machine in running; traditional protected mode is intermittent to be saved on local hard drive by the buffer memory Backup Data in internal memory; if it occur that delay during machine fault; buffer memory Backup Data in internal memory is not written back in hard disk timely; may result in loss of vital data and produce consequence without redemption, it is impossible to the data of current system when protection fault occurs.
Summary of the invention
It is an object of the invention to provide the restoration methods of a kind of linux system Backup Data and device, to realize the data of current system when protection fault occurs, and can quickly recover the data before fault occurs.
For solving above-mentioned technical problem, the present invention provides the restoration methods of a kind of linux system Backup Data, and the method includes:
Run backup thread, the Backup Data of real-time collecting linux system internal storage data, described Backup Data unloading is entered on backup storage device；Described backup storage device is the high speed nonvolatile flash storage device being arranged in Linux server；
After linux system is restarted because of fault, run Backup and Restore thread and be backed-up the recovery operation of data, scan described backup storage device and Backup Data is read in internal memory from described backup storage device；
Backup Data is verified, if described Backup Data is inconsistent with the data on generic storage equipment, then described Backup Data is write in described generic storage equipment.
Preferably, described linux system internal storage data is all data buffer storages of using of user space processes and the status information of user space processes.
Preferably, described described Backup Data unloading is entered on backup storage device after, also include:
The record operating time to Backup Data.
Preferably, described method also includes:
When linux system breaks down, the progress information of initiating failure is recorded, described progress information is backuped on described backup storage device simultaneously.
The present invention also provides for the recovery device of a kind of linux system Backup Data, and this device includes:
Unloading module, is used for running backup thread, the Backup Data of real-time collecting linux system internal storage data, described Backup Data unloading is entered on backup storage device；Described backup storage device is the high speed nonvolatile flash storage device being arranged in Linux server；
Recover module, for, after linux system is restarted because of fault, running Backup and Restore thread and be backed-up the recovery operation of data, scan described backup storage device and Backup Data is read in internal memory from described backup storage device；
Correction verification module, for Backup Data is verified, if described Backup Data is inconsistent with the data on generic storage equipment, then writes described Backup Data in described generic storage equipment.
Preferably, described linux system internal storage data is all data buffer storages of using of user space processes and the status information of user space processes.
Preferably, described device also includes:
Logging modle, for recording the operating time to Backup Data.
Preferably, described device also includes:
Backup module, for when linux system breaks down, recording the progress information of initiating failure, backuped on described backup storage device by described progress information simultaneously.
The restoration methods of a kind of linux system Backup Data provided by the present invention and device, run backup thread, the Backup Data of real-time collecting linux system internal storage data, described Backup Data unloading entered on backup storage device；Described backup storage device is the high speed nonvolatile flash storage device being arranged in Linux server；After linux system is restarted because of fault, running Backup and Restore thread and be backed-up the recovery operation of data, scanning is backed up described storage device and from described backup storage device, Backup Data is read in internal memory；Backup Data is verified, if described Backup Data is inconsistent with the data on generic storage equipment, then described Backup Data is write in described generic storage equipment.Visible, Linux server is provided with high speed nonvolatile flash storage device, utilize the Backup Data of backup storage device storage linux system internal storage data, after linux system breaks down and restarts, Backup Data is read in internal memory from backup storage device, if Backup Data is inconsistent with the data on generic storage equipment, Backup Data is write in generic storage equipment, so avoid delaying machine fault time internal memory in buffer memory Backup Data be not written back to timely in hard disk and cause loss of vital data, the data of current system when protection fault occurs, and can quickly recover the data before fault occurs.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 is the flow chart of the restoration methods of a kind of linux system Backup Data provided by the present invention；
Fig. 2 is the structural representation of the recovery device of a kind of linux system Backup Data provided by the present invention.
Detailed description of the invention
The core of the present invention is to provide restoration methods and the device of a kind of linux system Backup Data, to realize the data of current system when protection fault occurs, and can quickly recover the data before fault occurs.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to the flow chart of the restoration methods that Fig. 1, Fig. 1 are a kind of linux system Backup Data provided by the present invention, the method includes:
S11: run backup thread, the Backup Data of real-time collecting linux system internal storage data, Backup Data unloading is entered on backup storage device；
Wherein, backup storage device is the high speed nonvolatile flash storage device being arranged in Linux server.Linux server is run the server of linux system.
Wherein, linux system internal storage data is all data buffer storages of using of user space processes and the status information of user space processes.
S12: after linux system is restarted because of fault, runs Backup and Restore thread and is backed-up the recovery operation of data, and Backup Data is also read in internal memory from backup storage device by scanning backup storage device；
Wherein, after linux system is restarted because of fault, run Backup and Restore thread and be backed-up the recovery operation of data, automatically whether scanning backup storage exists Backup Data, if there is no linux system is then normally started, if it is present Backup Data to be read in from backup storage device internal memory.
S13: Backup Data is verified, if Backup Data is inconsistent with the data on generic storage equipment, then writes Backup Data in generic storage equipment.
Wherein, the Backup Data read in internal memory is analyzed verification, if it find that inconsistent with the data on generic storage equipment then by the write back data of backup to generic storage equipment.
Concrete, after Backup Data unloading is entered on backup storage device, the record operating time to Backup Data.
When linux system breaks down, the progress information of initiating failure is recorded, progress information is backuped on backup storage device simultaneously.
Detailed, based on said method, specific implementation process is as follows:
(1) high speed nonvolatile flash storage device is installed in current Linux server to be used for storing operating system Backup Data.
(2) automatically running backup thread on (SuSE) Linux OS, real-time collection operating system consumer process Backup Data unloading enter on backup storage device, simultaneously the operating time to record Backup Data.When a failure occurs it the progress information of initiating failure being recorded also is contemporaneously backed up on backup storage device.
Wherein, the backup operation of operating system memory data is automatically controlled by (SuSE) Linux OS kernel thread.The operating system memory data needing backup include all data buffer storages of user space processes use and the related status information of process.
(3) operating system is automatically run Backup and Restore thread and is backed-up data recovery operation after restarting because of fault, and operating system can scan in backup storage whether there is Backup Data automatically, if there is no surveys normal startup；If it is present Backup Data to be read in from backup storage device internal memory, and data are analyzed verification, if it find that inconsistent with the data on generic storage equipment then by the write back data of backup to generic storage equipment.
The restoration methods of a kind of linux system Backup Data provided by the present invention, runs backup thread, the Backup Data of real-time collecting linux system internal storage data, Backup Data unloading is entered on backup storage device；Backup storage device is the high speed nonvolatile flash storage device being arranged in Linux server；After linux system is restarted because of fault, running Backup and Restore thread and be backed-up the recovery operation of data, Backup Data is also read in internal memory from backup storage device by scanning backup storage device；Backup Data is verified, if Backup Data is inconsistent with the data on generic storage equipment, then Backup Data is write in generic storage equipment.
Visible, Linux server is provided with high speed nonvolatile flash storage device, utilize the Backup Data of backup storage device storage linux system internal storage data, after linux system breaks down and restarts, Backup Data is read in internal memory from backup storage device, if Backup Data is inconsistent with the data on generic storage equipment, Backup Data is write in generic storage equipment, so avoid delaying machine fault time internal memory in buffer memory Backup Data be not written back to timely in hard disk and cause loss of vital data, the data of current system when protection fault occurs, and can quickly recover the data before fault occurs.
Refer to the structural representation of the recovery device that Fig. 2, Fig. 2 are a kind of linux system Backup Data provided by the present invention, this device includes:
Unloading module 101, is used for running backup thread, the Backup Data of real-time collecting linux system internal storage data, Backup Data unloading is entered on backup storage device；
Wherein, backup storage device is the high speed nonvolatile flash storage device being arranged in Linux server.
Wherein, linux system internal storage data is all data buffer storages of using of user space processes and the status information of user space processes.
Recovering module 102, for, after linux system is restarted because of fault, running Backup and Restore thread and be backed-up the recovery operation of data, Backup Data is also read in internal memory from backup storage device by scanning backup storage device；
Correction verification module 103, for Backup Data is verified, if Backup Data is inconsistent with the data on generic storage equipment, then writes Backup Data in generic storage equipment.
Optionally, described device also includes:
Logging modle, for recording the operating time to Backup Data.
Described device also includes:
Backup module, for when linux system breaks down, recording the progress information of initiating failure, backuped on backup storage device by progress information simultaneously.
Concrete, the present invention relates to platform is the server running (SuSE) Linux OS, it is possible to use the high speed nonvolatile storage device of pcie interface is used for storing Backup Data.Specific operation process is as follows:
(1) current platform of backup storage device is installed, if platform can adopt the mode of hot plug to install in running.Backup storage device is arranged in current Linux server, and backup storage device is high speed nonvolatile flash storage device, is used for storing operating system Backup Data.
(2) containing the kernel unit compiling backup thread in current (SuSE) Linux OS in unloading module, kernel unit is configured to start automatic operational mode, backup thread start up after unloading module can automatic real time execution backup operation task, by current system user process relevant information and with in the relevant data cached real-time preservation of consumer process to backup storage device.
Wherein, unloading module automatically runs backup thread on (SuSE) Linux OS, and real-time collection operating system consumer process Backup Data unloading enter on backup storage device, simultaneously the operating time to record Backup Data.When a failure occurs it the progress information of initiating failure being recorded also is contemporaneously backed up on backup storage device.The backup operation of operating system memory data is automatically controlled by (SuSE) Linux OS kernel thread.The operating system memory data needing backup include all data buffer storages of user space processes use and the related status information of process.
(3) after operating system recovers startup in fault, recovering module and can automatically run, first whether monitoring backup storage device exists Backup Data, if there is no then exits recovery module；If there is Backup Data, parse storage file details according to process relevant information in Backup Data.Then whether the data in correction verification module verification backup storage are consistent with the data in generic storage file, if consistent, need not recover；If inconsistent, again it is written back in storage.Scan through Backup Data backed off after random and recover module.
Aforesaid operations is utilized dynamically to be arranged on by modules on the (SuSE) Linux OS in running, the data of current system when fault can be protected to greatest extent to occur when a failure occurs it, and can quickly recover the data before fault occurs.
The recovery device of a kind of linux system Backup Data provided by the present invention, unloading module runs backup thread, the Backup Data of real-time collecting linux system internal storage data, Backup Data unloading is entered on backup storage device；Backup storage device is the high speed nonvolatile flash storage device being arranged in Linux server；After linux system is restarted because of fault, recovering module operation Backup and Restore thread and be backed-up the recovery operation of data, Backup Data is also read in internal memory from backup storage device by scanning backup storage device；Backup Data is verified by correction verification module, if Backup Data is inconsistent with the data on generic storage equipment, is then write in generic storage equipment by Backup Data.
Visible, Linux server is provided with high speed nonvolatile flash storage device, utilize the Backup Data of backup storage device storage linux system internal storage data, after linux system breaks down and restarts, Backup Data is read in internal memory from backup storage device by this device, if Backup Data is inconsistent with the data on generic storage equipment, Backup Data is write in generic storage equipment, so avoid delaying machine fault time internal memory in buffer memory Backup Data be not written back to timely in hard disk and cause loss of vital data, the data of current system when protection fault occurs, and can quickly recover the data before fault occurs.
Restoration methods and device to a kind of linux system Backup Data provided by the present invention are described in detail above.Principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.It should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention carries out some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Claims (8)
1. the restoration methods of a linux system Backup Data, it is characterised in that including:
Run backup thread, the Backup Data of real-time collecting linux system internal storage data, described Backup Data unloading is entered on backup storage device；Described backup storage device is the high speed nonvolatile flash storage device being arranged in Linux server；
After linux system is restarted because of fault, run Backup and Restore thread and be backed-up the recovery operation of data, scan described backup storage device and Backup Data is read in internal memory from described backup storage device；
Backup Data is verified, if described Backup Data is inconsistent with the data on generic storage equipment, then described Backup Data is write in described generic storage equipment.
2. the method for claim 1, it is characterised in that described linux system internal storage data is all data buffer storages of using of user space processes and the status information of user space processes.
3. the method for claim 1, it is characterised in that described described Backup Data unloading is entered on backup storage device after, also include:
The record operating time to Backup Data.
4. the method as described in claims 1 to 3, it is characterised in that also include:
When linux system breaks down, the progress information of initiating failure is recorded, described progress information is backuped on described backup storage device simultaneously.
5. the recovery device of a linux system Backup Data, it is characterised in that including:
Unloading module, is used for running backup thread, the Backup Data of real-time collecting linux system internal storage data, described Backup Data unloading is entered on backup storage device；Described backup storage device is the high speed nonvolatile flash storage device being arranged in Linux server；
Recover module, for, after linux system is restarted because of fault, running Backup and Restore thread and be backed-up the recovery operation of data, scan described backup storage device and Backup Data is read in internal memory from described backup storage device；
Correction verification module, for Backup Data is verified, if described Backup Data is inconsistent with the data on generic storage equipment, then writes described Backup Data in described generic storage equipment.
6. device as claimed in claim 5, it is characterised in that described linux system internal storage data is the status information of all data buffer storages of using of user space processes and user space processes.
7. device as claimed in claim 5, it is characterised in that also include:
Logging modle, for recording the operating time to Backup Data.
8. the device as described in any one in claim 5 to 7, it is characterised in that also include:
Backup module, for when linux system breaks down, recording the progress information of initiating failure, backuped on described backup storage device by described progress information simultaneously.
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| CN201610029395.7A CN105718330A (en) | 2016-01-15 | 2016-01-15 | Linux system backup data recovery method and device |
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| CN106909477A (en) * | 2017-02-25 | 2017-06-30 | 郑州云海信息技术有限公司 | A kind of storage server IO stack internal storage data guard methods and device |
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| CN111176572A (en) * | 2019-12-27 | 2020-05-19 | 浪潮(北京)电子信息产业有限公司 | Method, device, equipment and medium for protecting stored data |
| WO2020113531A1 (en) * | 2018-12-06 | 2020-06-11 | 深圳市欢太科技有限公司 | Data recovery method and device, and electronic device |
| CN114721880A (en) * | 2022-05-19 | 2022-07-08 | 中诚华隆计算机技术有限公司 | Task recovery method, SOC chip and electronic equipment |
| CN114996203A (en) * | 2022-05-19 | 2022-09-02 | 中诚华隆计算机技术有限公司 | SOC chip, capsule endoscope robot and capsule endoscope system |
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| CN107918568A (en) * | 2017-11-13 | 2018-04-17 | 北京全路通信信号研究设计院集团有限公司 | method for preventing L inux system from failing in restarting |
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| CN114721880A (en) * | 2022-05-19 | 2022-07-08 | 中诚华隆计算机技术有限公司 | Task recovery method, SOC chip and electronic equipment |
| CN114996203A (en) * | 2022-05-19 | 2022-09-02 | 中诚华隆计算机技术有限公司 | SOC chip, capsule endoscope robot and capsule endoscope system |
| CN114721880B (en) * | 2022-05-19 | 2022-09-09 | 中诚华隆计算机技术有限公司 | Task recovery method, SOC chip and electronic equipment |
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Application publication date: 20160629 |