CN110968457A - Backup restoration method, system and medium for Linux operating system - Google Patents
Backup restoration method, system and medium for Linux operating system Download PDFInfo
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- CN110968457A CN110968457A CN201911031296.2A CN201911031296A CN110968457A CN 110968457 A CN110968457 A CN 110968457A CN 201911031296 A CN201911031296 A CN 201911031296A CN 110968457 A CN110968457 A CN 110968457A
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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
- G06F11/1469—Backup restoration techniques
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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
- G06F11/1415—Saving, restoring, recovering or retrying at system level
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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
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/1417—Boot up procedures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
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Abstract
The invention discloses a backup restoration method, a system and a medium of a Linux operating system, which are used for acquiring starting option selection information of a user in a system bootstrap program G to generate a backup restoration parameter R; loading a kernel V stored in a system boot partition P1 according to the boot option, and enabling the boot small system I to enter the boot small system I; detecting the type of the backup reduction parameter R, and starting system backup or system reduction in the environment of the small guide system I according to the backup reduction parameter R when the backup reduction parameter R is backup; and (4) performing restart under the boot small system I, ending and exiting. The invention can quickly restore the system to the normal operation state under the condition that the system can not normally operate or normally operate, can save the system configuration state after the system is configured and restore the system configuration state when needed, can improve the system safety and reduce the damage risk of the system.
Description
Technical Field
The invention relates to a Linux operating system, a system starting technology and a data backup and restoration technology, in particular to a backup and restoration method, a system and a medium of the Linux operating system.
Background
Linux is a Unix-like operating system which is free to use and spread freely, and is a multi-user, multi-task, multi-thread and multi-CPU supporting operating system based on POSIX and UNIX. Currently, in the use process of the mainstream Linux operating system, a system operation library is damaged, and after a system configuration file is modified by mistake, the system cannot be started normally or run normally. In another case, after the system is configured, the system state needs to be preserved, and in some case, the system needs to be restored to the configured state of the system. At present, no mature, rapid and simple method can solve the problem.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the problems in the prior art, the invention provides a backup restoration method, a system and a medium for a Linux operating system, which can quickly restore the system to a normal operation state under the condition that the system cannot normally operate or normally operate, can save the system configuration state after the system is configured and restore the system configuration state when needed, can improve the system safety and reduce the damage risk of the system.
In order to solve the technical problems, the invention adopts the technical scheme that:
a backup restoration method of a Linux operating system comprises the following implementation steps:
1) acquiring starting option selection information of a user in a system bootstrap program G to generate a backup reduction parameter R;
2) loading a kernel V stored in a system boot partition P1 according to the boot option, and enabling the boot small system I to enter the boot small system I;
3) detecting the type of the backup reduction parameter R, and starting system backup in the environment of the small guide system I according to the backup reduction parameter R when the backup reduction parameter R is backup;
4) and (4) performing restart under the boot small system I, ending and exiting.
Optionally, the starting of the system backup in the boot small system I environment in step 3) specifically refers to executing the data backup program F1 in the boot small system I environment, and backing up the file system S1 of the disk partition P2 where the operating system is located by the data backup program F1 to generate a backup file R1 and an integrity check file M, and saving the backup file R1 and the integrity check file M to the backup partition P3.
Optionally, when the type of the backup restoration parameter R is detected in step 3), the method further includes starting, by the bootstrap mini-system I, system restoration in an environment of the bootstrap mini-system I according to the backup restoration parameter R when the backup restoration parameter R is restored.
Optionally, the starting of the system restore in the boot small system I environment in step 3) specifically refers to executing the data restoring program F2 in the boot small system I environment, and restoring the backup file R1 to the file system S1 of the disk partition P2 where the operating system is located by using the data restoring program F2 when the backup file R1 in the backup partition P3 matches with the integrity check file M.
Optionally, step 1) is preceded by a step of performing automatic backup at system installation, and the detailed steps include:
s1) acquiring the selection information of whether the user uses the backup and restore function in the system installation process, if the user chooses not to use the backup and restore function, normally installing the system, and finishing and quitting after installation; jumping to perform step S2) if the user selects to use the backup restoring function;
s2) acquiring selection information of whether the user uses the automatic partition function, if the user selects not to use the automatic partition function, performing a manual partition process of a backup and restore mode, and if the manual partition meets the installation requirement, jumping to a straight step S3); otherwise, performing an automatic partition process in a backup and restore mode, and jumping to the straight step S3);
s3), carrying out system installation to generate a file system S1 of a disk partition P2 where the operating system is located, generating a system boot program G with a starting option for generating a backup and restore parameter R, and a kernel V and a boot small system I which are stored in the system boot partition P1;
s4) the file system S1 of the disk partition P2 where the operating system is located is backed up to generate a backup file R1 and an integrity check file M, the backup file and the integrity check file M are saved in the backup partition P3, and the operation is finished and quitted.
In addition, the invention also provides a backup restoration system of the Linux operating system, which comprises the following components:
the parameter acquisition program unit is used for acquiring the starting option selection information of a user in the system bootstrap program G to generate a backup reduction parameter R;
the boot program unit is used for loading the kernel V stored in the system boot partition P1 according to the starting option and guiding the small system I to enter the small system I;
the executive program unit is used for detecting the type of the backup reduction parameter R, when the backup reduction parameter R is a backup, the small system I is guided to start system backup in the environment of the small system I according to the backup reduction parameter R, and a file system S1 of a disk partition P2 where an operating system is located is backed up to generate a backup file R1 and an integrity check file M and is stored in a backup partition P3;
and the restart program unit is used for executing restart under the small boot system I, ending and exiting.
In addition, the invention also provides a backup restoration system of the Linux operating system, which comprises computer equipment, wherein the computer equipment is programmed or configured to execute the steps of the backup restoration method of the Linux operating system.
In addition, the invention also provides a backup restoration system of the Linux operating system, which comprises computer equipment, wherein the computer equipment at least comprises a microprocessor and a memory, and the memory is stored with a computer program which is programmed or configured to execute the backup restoration method of the Linux operating system.
In addition, the present invention also provides a computer readable storage medium having stored thereon a computer program programmed or configured to execute the backup restoring method of the Linux operating system.
Compared with the prior art, the invention has the following advantages: the invention can quickly restore the system to the normal operation state under the condition that the system can not normally operate or normally operate, can save the system configuration state after the system is configured and restore the system configuration state when needed, can improve the system safety and reduce the damage risk of the system.
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FIG. 1 is a basic flow diagram of a method according to an embodiment of the present invention.
FIG. 2 is a detailed flow chart of a method according to an embodiment of the present invention.
Fig. 3 is a detailed flowchart of the method of the embodiment of the present invention for performing automatic backup at system installation.
Detailed Description
As shown in fig. 1, the implementation steps of the backup restoring method for the Linux operating system in this embodiment include:
1) acquiring starting option selection information of a user in a system bootstrap program G to generate a backup reduction parameter R;
2) loading a kernel V (vmlinux in this embodiment) and a boot small system I (initrd in this embodiment) stored in a system boot partition P1 according to the boot option to enter the boot small system I;
3) detecting the type of the backup reduction parameter R, and starting system backup in the environment of the small guide system I according to the backup reduction parameter R when the backup reduction parameter R is backup;
4) and (4) performing restart under the boot small system I, ending and exiting.
In this embodiment, the step 3) of starting the system backup in the boot small system I environment specifically refers to executing the data backup program F1 in the boot small system I environment, and backing up the file system S1 of the disk partition P2 in which the operating system is located by the data backup program F1 to generate the backup file R1 and the integrity check file M, and storing the backup file M in the backup partition P3.
It should be noted that, in some specific situations, only backup may be needed, and system recovery does not need to be started, and it may also only perform the step of the system backup of the method of this embodiment, or at least perform only the step of the system backup of the method of this embodiment at a certain time point. However, as a complete embodiment, the present embodiment further includes a step of system recovery. As shown in fig. 2, when detecting the type of the backup/restore parameter R in step 3) of this embodiment, the method further includes starting system restoration in the environment of the boot microsystem I according to the backup/restore parameter R when the backup/restore parameter R is restored. In this embodiment, the starting of system restoration in the boot small system I environment in step 3) specifically refers to executing the data restoring program F2 in the boot small system I environment, and restoring the backup file R1 to the file system S1 of the disk partition P2 where the operating system is located by using the data restoring program F2 when the backup file R1 in the backup partition P3 matches with the integrity check file M.
As shown in fig. 3, step 1) is preceded by a step of performing automatic backup at system installation, and the detailed steps include:
s1) acquiring the selection information of whether the user uses the backup and restore function in the system installation process, if the user chooses not to use the backup and restore function, normally installing the system, and finishing and quitting after installation; jumping to perform step S2) if the user selects to use the backup restoring function;
s2) acquiring selection information of whether the user uses the automatic partition function, if the user selects not to use the automatic partition function, performing a manual partition process of a backup and restore mode, and if the manual partition meets the installation requirement, jumping to a straight step S3); otherwise, performing an automatic partition process in a backup and restore mode, and jumping to the straight step S3);
s3), carrying out system installation to generate a file system S1 of a disk partition P2 where the operating system is located, generating a system boot program G with a starting option for generating a backup and restore parameter R, and a kernel V and a boot small system I which are stored in the system boot partition P1;
s4) the file system S1 of the disk partition P2 where the operating system is located is backed up to generate a backup file R1 and an integrity check file M, the backup file and the integrity check file M are saved in the backup partition P3, and the operation is finished and quitted.
In summary, in the backup and restore method for the Linux operating system of this embodiment, a backup and restore function option is provided in the system installation stage, after the system backup and restore function is selected, a system backup partition P3 is automatically added to the disk, the size of P3 is limited according to the size of the system installation partition, the minimum size of P3 cannot be smaller than one third of the size of the system installation partition P2, and the system boot partition P1 is independently divided and used for storing a system boot kernel V and a boot small system I. The disk partitioning mode supports automatic partitioning and manual partition adjustment. After the system installation is complete, an automatic backup of the installed initial system is performed and saved to backup partition P3. During the system installation phase, a separate backup partition P3 may also be partitioned for retaining data. At system restore time, the data on backup partition P3 is not restored. The system installed by the backup method can add two starting items, a system backup option and a system restoration option, on the system starting guide item. By selecting the two options, the system can be simply and quickly backed up and restored. By using the invention, the system can be initially backed up from the system installation stage and used as the factory state restoration point of the system, thereby facilitating the user to restore the factory state of the system. Opposite partitions can be divided for data storage in the system installation stage, data cannot be lost when the system is restored, and a flexible solution is provided for system state change and data storage. The system is backed up or restored in a one-click mode through the system backup option and the system restoration option in the system boot item, and the use safety of the system and the convenience of system fault recovery are provided.
In addition, this embodiment further provides a backup and restore system for a Linux operating system, including:
the parameter acquisition program unit is used for acquiring the starting option selection information of a user in the system bootstrap program G to generate a backup reduction parameter R;
the boot program unit is used for loading the kernel V stored in the system boot partition P1 according to the starting option and guiding the small system I to enter the small system I;
the executive program unit is used for detecting the type of the backup reduction parameter R, when the backup reduction parameter R is a backup, the small system I is guided to start system backup in the environment of the small system I according to the backup reduction parameter R, and a file system S1 of a disk partition P2 where an operating system is located is backed up to generate a backup file R1 and an integrity check file M and is stored in a backup partition P3;
and the restart program unit is used for executing restart under the small boot system I, ending and exiting.
In addition, the present embodiment further provides a backup restoring system of a Linux operating system, including a computer device, where the computer device is programmed or configured to execute the steps of the backup restoring method of the Linux operating system in the present embodiment.
In addition, the present embodiment further provides a backup restoring system of a Linux operating system, including a computer device, where the computer device at least includes a microprocessor and a memory, and the memory stores a computer program that is programmed or configured to execute the backup restoring method of the Linux operating system in this embodiment.
In addition, the present embodiment further provides a computer-readable storage medium, on which a computer program programmed or configured to execute the backup restoring method of the Linux operating system of the present embodiment is stored.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (9)
1. A backup restoration method of a Linux operating system is characterized by comprising the following implementation steps:
1) acquiring starting option selection information of a user in a system bootstrap program G to generate a backup reduction parameter R;
2) loading a kernel V stored in a system boot partition P1 according to the boot option, and enabling the boot small system I to enter the boot small system I;
3) detecting the type of the backup reduction parameter R, and starting system backup in the environment of the small guide system I according to the backup reduction parameter R when the backup reduction parameter R is backup;
4) and (4) performing restart under the boot small system I, ending and exiting.
2. The method for backing up and restoring a Linux operating system according to claim 1, wherein the step 3) of starting a system backup in the boot microsystem I environment specifically includes executing a data backup program F1 in the boot microsystem I environment, and backing up a file system S1 of a disk partition P2 in which the operating system is located by the data backup program F1 to generate a backup file R1 and an integrity check file M, and storing the backup file M in the backup partition P3.
3. The backup restoring method for Linux operating system of claim 1, wherein detecting the type of the backup restoring parameter R in step 3) further comprises booting the small system I to start system restoration within the boot small system I environment according to the backup restoring parameter R when the backup restoring parameter R is restoration.
4. The backup restoring method for Linux operating system of claim 3, wherein the step 3) of starting system restoration in the boot small system I environment specifically means executing the data restoring program F2 in the boot small system I environment, and restoring the backup file R1 to the file system S1 of the disk partition P2 where the operating system is located by the data restoring program F2 when the backup file R1 and the integrity check file M in the backup partition P3 match.
5. The backup restoration method for the Linux operating system according to claim 1, further comprising a step of performing automatic backup at system installation before the step 1), wherein the detailed steps comprise:
s1) acquiring the selection information of whether the user uses the backup and restore function in the system installation process, if the user chooses not to use the backup and restore function, normally installing the system, and finishing and quitting after installation; jumping to perform step S2) if the user selects to use the backup restoring function;
s2) acquiring selection information of whether the user uses the automatic partition function, if the user selects not to use the automatic partition function, performing a manual partition process of a backup and restore mode, and if the manual partition meets the installation requirement, jumping to a straight step S3); otherwise, performing an automatic partition process in a backup and restore mode, and jumping to the straight step S3);
s3), carrying out system installation to generate a file system S1 of a disk partition P2 where the operating system is located, generating a system boot program G with a starting option for generating a backup and restore parameter R, and a kernel V and a boot small system I which are stored in the system boot partition P1;
s4) the file system S1 of the disk partition P2 where the operating system is located is backed up to generate a backup file R1 and an integrity check file M, the backup file and the integrity check file M are saved in the backup partition P3, and the operation is finished and quitted.
6. A backup restoration system of a Linux operating system is characterized by comprising:
the parameter acquisition program unit is used for acquiring the starting option selection information of a user in the system bootstrap program G to generate a backup reduction parameter R;
the boot program unit is used for loading the kernel V stored in the system boot partition P1 according to the starting option and guiding the small system I to enter the small system I;
the executive program unit is used for detecting the type of the backup reduction parameter R, when the backup reduction parameter R is a backup, the small system I is guided to start system backup in the environment of the small system I according to the backup reduction parameter R, and a file system S1 of a disk partition P2 where an operating system is located is backed up to generate a backup file R1 and an integrity check file M and is stored in a backup partition P3;
and the restart program unit is used for executing restart under the small boot system I, ending and exiting.
7. A backup restoration system of a Linux operating system, comprising a computer device, characterized in that the computer device is programmed or configured to execute the steps of the backup restoration method of the Linux operating system according to any one of claims 1 to 5.
8. A backup restoration system of Linux operating system, comprising a computer device, wherein the computer device at least comprises a microprocessor and a memory, and the memory stores thereon a computer program programmed or configured to execute the backup restoration method of Linux operating system according to any one of claims 1 to 5.
9. A computer-readable storage medium having stored thereon a computer program programmed or configured to perform the backup restoration method for the Linux operating system of any one of claims 1-5.
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| CN113515407A (en) * | 2020-04-09 | 2021-10-19 | 中标软件有限公司 | Novel backup restoration method |
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