CN111831484B - Automatic backup and restoration method for system - Google Patents
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- CN111831484B CN111831484B CN202010702788.6A CN202010702788A CN111831484B CN 111831484 B CN111831484 B CN 111831484B CN 202010702788 A CN202010702788 A CN 202010702788A CN 111831484 B CN111831484 B CN 111831484B
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- 238000001514 detection method Methods 0.000 claims description 12
- 238000011084 recovery Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 8
- 230000006870 function Effects 0.000 claims description 6
- 230000002452 interceptive effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims description 3
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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
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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
- G06F11/1438—Restarting or rejuvenating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The application discloses a method for automatically backing up and restoring a system, which particularly relates to the field of operating systems, and comprises a scheme for realizing one-key backup and restoring by using an independent system and a scheme for realizing one-key system restoring in a starting service mode. The application realizes one-key backup and restoration and one-key system restoration by a start-up service mode through the independent system, can cope with different scene demands, can be used simultaneously without mutual exclusion, improves the restoration capability of the system when encountering faults, reduces the difficulty of using the system by a user, is simple and visual, is easy to operate, is quick and efficient, can quickly and efficiently restore the system to a backup state when the system fails, and solves the problem of restoration after misoperation.
Description
Technical Field
The application relates to the technical field of operating systems, in particular to a method for automatically backing up and restoring a system.
Background
The Linux operating system is a clone system developed based on the UNIX operating system, and is generated in the year 1991 of the Linux desktop for 10 months and 5 days (the first formally published time). Later on, by means of the Internet network and through the collective efforts of computer fans around the world, it has become one of the most used UNIX-like operating systems in the world today, and the number of users is also growing rapidly. Linux is known for its high efficiency and flexibility, and its modular design makes it possible to operate on expensive workstations and to realize all Unix features on inexpensive PCs with multitasking and multiuser capabilities. Linux is freely obtained under GNU public license rights, and is an operating system conforming to the POSIX standard. The Linux operating system software package not only comprises a complete Linux operating system, but also comprises application software such as a text editor, a high-level language compiler and the like. It also includes an X-Windows graphical user interface with multiple window managers, as if we were Windows NT, allowing us to operate the system using Windows, icons and menus.
When the underlying runtime or core system configuration file on the Linux system is tampered with (e.g., the user operates by himself or by authorizing the installation of some non-standard or even malicious software packages), the normal start-up process of the system may be affected. After such problems, specialized technicians are often required to troubleshoot and solve the problems.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, the embodiment of the present application provides a method for automatically backing up and restoring a system, which aims to solve the technical problems: how to recover after the Linux system is in misoperation, and the system can not be quickly and efficiently restored to a backup state when faults occur.
In order to achieve the above purpose, the present application provides the following technical solutions: a method for automatically backing up and restoring a system comprises the steps of realizing a one-key backup and restoring scheme by using an independent system and realizing a one-key system restoring scheme in a starting service mode;
the one-key backup and restore scheme implemented by the independent system comprises the independent system and an independent storage partition, wherein the independent system comprises a manager and a backup and restore subsystem, the independent storage partition is used for storing backup files of the backup and restore subsystem, and the one-key backup and restore scheme implemented by the independent system comprises the following steps:
s1, manufacturing a backup reduction small system, wherein the backup reduction small system has the following functions:
1) When the backup restoring program is started, a user interactive interface is displayed in a full screen mode, and backup, restoring and deleting operations are provided;
2) When in backup, the system partition of the main system is backed up and is stored in the partition where the backup restoring small system is located;
3) When restoring, reading the backup selected by the user, finding the corresponding backup in the partition where the backup restoring small system is located, and then restoring the main system into the selected backup;
4) Providing a restarting entrance after the backup/restore is completed;
s2, installing the backup reduction small system prepared in the step S1;
s3, backup reduction process:
after the backup restoration small system is installed in step S2, when the machine is started, the backup restoration is performed as follows:
1) The starting-up stage starts up the manager to display the menu items of the main system and the one-key backup reduction small system, and selects one-key backup reduction;
2) Starting a backup reduction small system;
3) Automatically running a backup restoring program, displaying a backup restoring user interactive interface in a full screen mode, and displaying optional operation items of backup and restoration;
4) When in backup, the detection of the residual space of the disk is executed, if the residual space is enough to complete the backup operation, the input of the backup name is prompted, and the backup operation is executed; if the space is insufficient to complete the backup operation, prompting that the disk space is insufficient and the backup operation cannot be performed;
5) When restoring, executing disk residual space detection, and if the residual space is enough to complete the restoring operation, displaying the backup node for selecting to which backup to restore, and executing the backup operation; if the space is insufficient to complete the restore operation, prompting that the disk space is insufficient and the backup operation cannot be performed;
the one-key system restoration scheme implemented in the startup service mode comprises the steps of adding restoration service in a startup program, adding an entry in a startup manager, and implementing one-key backup restoration of the system by using the startup service mode, wherein the steps are as follows:
step one, adding a one-key reduction inlet: modifying the configuration of a linux start manager grub, adding a menu item entering one-key reduction during start, and configuring the grub menu item to transmit a rollback=1 kernel parameter as an identifier;
step two, adding a one-key restoration starting service to restore the system to the selected backup node, wherein the execution flow of the one-key restoration service is as follows:
1) The manager grub is started to select a one-key reduction menu item;
2) The above steps will deliver a rollback=1 parameter to the system kernel indicating that the system is started in a restore mode;
3) After the system service process is started, when the recovery service rollback service is started, judging whether the transmitted kernel parameter rollback=1 indicates that the system is started in a recovery mode, if so, starting a recovery module, and if not, entering a normal system starting flow;
step three, adding a backup module: the backup module needs to support full backup and incremental backup, and the functions of the module include:
1) Full back-up device: automatically carrying out full-quantity backup on the system once;
2) Incremental backup device: the system automatically backs up regularly;
3) Abnormality detection device: before backup, disk space detection is carried out, backup operation is not carried out under the condition of insufficient space, corresponding logs are recorded, and the situation that the system occupies only a small amount of disk space is avoided;
4) Backup management device: and the number of the backups which can be kept is limited, so that excessive space is avoided, and when the number of the backups reaches the limit, the oldest backups can be replaced by new backups.
In a preferred embodiment, in the step S2, when the operating system is installed, an independent partition is divided for the backup restoration small system to use, and a mount point of the partition is set.
In a preferred embodiment, in the final stage of system installation in step S2, an update-grub command is executed to add the backup restore subsystem to the grub boot manager.
In a preferred embodiment, the backup restore is performed in step S3, where the backup restore is performed directly on the disk partition image; and after the backup and the restoration are completed, displaying a restarting entrance.
In a preferred embodiment, during the backup operation in step S3, the partition mirror image of the system is captured and stored under the root directory of the backup restoring subsystem, and in the storing process, in order to reduce the space occupied by the backup, the compression operation is performed on the backup intermediate file, and then the compressed file is saved; and when restoring, reading the backup node file selected by the user, finding out the corresponding backup mirror image under the root directory of the backup restoring small system, and decompressing and restoring to the main system partition.
In a preferred embodiment, the second step is executed as early as possible on the premise of meeting the preparation environment of the restoration module, so that the system problem occurring in early starting can be solved as far as possible, the system is operated before the login module, the later service is blocked, the backup node list is displayed, the user input is received, the selected backup is used for restoring the system, and the system is restarted after the restoration is finished.
In a preferred embodiment, the restoration module in the second step is configured to determine whether a backup exists, and if no backup exists, prompt related information, restart the device, and if a backup exists, continue the subsequent flow; displaying all backups and providing a backup selection interface; and after the backup to be restored is selected, restoring the main system file into a backup file.
In a preferred embodiment, the system in the third step preferably performs backup every month for a period of time of periodic automatic backup.
The application has the technical effects and advantages that:
the application realizes one-key backup reduction and one-key system reduction by arranging the independent system, wherein the independent system realizes the one-key backup reduction scheme which can thoroughly solve the problem that the system cannot be started due to the destruction or incorrect configuration of a system library, and the one-key system reduction scheme is realized by the startup service mode, is automatically executed periodically in the process of backup operation in the system operation process, has the capacity of incremental backup, can cope with different scene demands, is not mutually exclusive, can be used simultaneously, improves the recovery capacity of the system when the system encounters a fault, reduces the difficulty of using the system by a user, is simple and visual, is easy to operate, is quick and efficient, and can quickly and efficiently restore the system into a backup state when the system fails, thereby solving the problem of recovery after misoperation.
Drawings
FIG. 1 is a flow chart of a one-touch backup restore scheme using a stand-alone system in accordance with the present application.
FIG. 2 is a flowchart of a power-on service implementation of the present application.
Fig. 3 is a flowchart of implementing a system backup in a power-on service mode according to the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1:
the application provides a method for automatically backing up and restoring a system, which comprises the steps of realizing a one-key backup and restoring scheme by using an independent system and realizing a one-key system restoring scheme in a starting service mode;
the one-key backup and restore scheme implemented by the independent system comprises the independent system and an independent storage partition, wherein the independent system comprises a manager and a backup and restore subsystem, the independent storage partition is used for storing backup files of the backup and restore subsystem, and the one-key backup and restore scheme implemented by the independent system comprises the following steps:
s1, manufacturing a backup reduction small system, wherein the backup reduction small system has the following functions:
1) When the backup restoring program is started, a user interactive interface is displayed in a full screen mode, and backup, restoring and deleting operations are provided;
2) When in backup, the system partition of the main system is backed up and is stored in the partition where the backup restoring small system is located;
3) When restoring, reading the backup selected by the user, finding the corresponding backup in the partition where the backup restoring small system is located, and then restoring the main system into the selected backup;
4) Providing a restarting entrance after the backup/restore is completed;
s2, installing the backup reduction small system prepared in the step S1:
s2.1: when an operating system is installed, an independent partition is divided for a backup reduction small system to use, and mounting points of the partition are set;
s2.2: in the final stage of system installation, executing an update-grub command, and adding a backup reduction subsystem into a grub starting-up manager, so that when the system is started up, the starting-up manager displays two inlets of a main system and the backup reduction subsystem;
s3, backup reduction process:
after the backup restoration small system is installed in step S2, when the machine is started, the backup restoration operation (shown in fig. 1) is performed as follows:
1) The starting-up stage starts up the manager to display the menu items of the main system and the one-key backup reduction small system, and selects one-key backup reduction;
2) Starting a backup reduction small system;
3) Automatically running a backup restoring program, displaying a backup restoring user interactive interface in a full screen mode, and displaying optional operation items of backup and restoration;
4) When in backup, the detection of the residual space of the disk is executed, if the residual space is enough to complete the backup operation, the input of the backup name is prompted, and the backup operation is executed; if the space is insufficient to complete the backup operation, prompting that the disk space is insufficient and the backup operation cannot be performed;
5) When restoring, executing disk residual space detection, and if the residual space is enough to complete the restoring operation, displaying the backup node for selecting to which backup to restore, and executing the backup operation; if the space is insufficient to complete the restore operation, prompting that the disk space is insufficient and the backup operation cannot be performed;
for the backup/restore operation mentioned in the above step S3, the specific implementation steps are as follows:
1) The backup and the restoration are all direct operation of the disk partition mirror image;
2) When in backup, the partition mirror image of the system is captured and stored under the root directory of the backup restoring small system, and in the storage process, in order to reduce the space occupied by backup, the compression operation is firstly carried out on the backup intermediate file, and then the compressed file is stored;
2) When restoring, reading the backup node file selected by the user, finding out the corresponding backup mirror image under the root directory of the backup restoring small system, decompressing and restoring to the main system partition;
3) After the backup and the restoration are completed, displaying a restarting entrance;
example 2:
the difference from example 1 is that: the one-key system restoration scheme implemented in the power-on service mode comprises adding restoration service in a power-on program, adding an entry in a starting manager, and implementing the one-key backup restoration of the system (shown in fig. 3) by using the power-on service mode as follows:
step one, adding a one-key reduction inlet: modifying the configuration of a linux start manager grub, adding a menu item entering one-key reduction during start, and configuring the grub menu item to transmit a rollback=1 kernel parameter as an identifier;
step two, adding a one-key restoration starting service to restore the system to the selected backup node, wherein the system service has the following characteristics:
1) The method is executed as early as possible on the premise of meeting the preparation environment of the reduction module, and the system problem in the early stage of starting can be solved as much as possible;
2) Run before logging in the module and block the following services;
3) Displaying a backup node list;
4) Receiving user input, and restoring the system by using the selected backup;
5) Restarting the system after the reduction is finished;
the execution flow of the one-touch restore service (as shown in fig. 2) is as follows:
1) The manager grub is started to select a one-key reduction menu item;
2) The above steps will deliver a rollback=1 parameter to the system kernel indicating that the system is started in a restore mode;
3) After the system service process is started, when the recovery service rollback service is started, judging whether the transmitted kernel parameter rollback=1 indicates that the system is started in a recovery mode, if so, starting a recovery module, and if not, entering a normal system starting flow;
the above steps involve a reduction module having the following features:
1) Judging whether backup exists, if not, prompting related information, restarting, and if so, continuing the subsequent flow;
2) Displaying all backups and providing a backup selection interface;
3) After selecting backup to be restored, restoring the main system file into a backup file;
step three, adding a backup module: the backup module needs to support full backup and incremental backup, and the functions of the module include:
1) Full back-up device: automatically carrying out full-quantity backup on the system once;
2) Incremental backup device: the system automatically backs up at regular intervals, such as backup is carried out every month;
3) Abnormality detection device: before backup, disk space detection is carried out, backup operation is not carried out under the condition of insufficient space, corresponding logs are recorded, and the situation that the system occupies only a small amount of disk space is avoided;
4) Backup management device: and the number of the backups which can be kept is limited, so that excessive space is avoided, and when the number of the backups reaches the limit, the oldest backups can be replaced by new backups.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the application are intended to be included within the scope of the application.
Claims (8)
1. A method for automatically backing up and restoring a system is characterized in that: the method comprises the steps of realizing a one-key backup reduction scheme by using an independent system and realizing a one-key system reduction scheme in a starting service mode;
the one-key backup and restore scheme implemented by the independent system comprises the independent system and an independent storage partition, wherein the independent system comprises a manager and a backup and restore subsystem, the independent storage partition is used for storing backup files of the backup and restore subsystem, and the one-key backup and restore scheme implemented by the independent system comprises the following steps:
s1, manufacturing a backup reduction small system, wherein the backup reduction small system has the following functions:
1) When the backup restoring program is started, a user interactive interface is displayed in a full screen mode, and backup, restoring and deleting operations are provided;
2) When in backup, the system partition of the main system is backed up and is stored in the partition where the backup restoring small system is located;
3) When restoring, reading the backup selected by the user, finding the corresponding backup in the partition where the backup restoring small system is located, and then restoring the main system into the selected backup;
4) Providing a restarting entrance after the backup/restore is completed;
s2, installing the backup reduction small system prepared in the step S1;
s3, backup reduction process:
after the backup restoration small system is installed in step S2, when the machine is started, the backup restoration is performed as follows:
1) The starting-up stage starts up the manager to display the menu items of the main system and the one-key backup reduction small system, and selects one-key backup reduction;
2) Starting a backup reduction small system;
3) Automatically running a backup restoring program, displaying a backup restoring user interactive interface in a full screen mode, and displaying optional operation items of backup and restoration;
4) When in backup, the detection of the residual space of the disk is executed, if the residual space is enough to complete the backup operation, the input of the backup name is prompted, and the backup operation is executed; if the space is insufficient to complete the backup operation, prompting that the disk space is insufficient and the backup operation cannot be performed;
5) When restoring, executing disk residual space detection, and if the residual space is enough to complete the restoring operation, displaying the backup node for selecting to which backup to restore, and executing the backup operation; if the space is insufficient to complete the restore operation, prompting that the disk space is insufficient and the backup operation cannot be performed;
the one-key system restoration scheme implemented in the startup service mode comprises the steps of adding restoration service in a startup program, adding an entry in a startup manager, and implementing one-key backup restoration of the system by using the startup service mode, wherein the steps are as follows:
step one, adding a one-key reduction inlet: modifying the configuration of a linux start manager grub, adding a menu item entering one-key reduction during start, and configuring the grub menu item to transmit a rollback=1 kernel parameter as an identifier;
step two, adding a one-key restoration starting service to restore the system to the selected backup node, wherein the execution flow of the one-key restoration service is as follows:
1) The manager grub is started to select a one-key reduction menu item;
2) The above steps will deliver a rollback=1 parameter to the system kernel indicating that the system is started in a restore mode;
3) After the system service process is started, when the recovery service rollback service is started, judging whether the transmitted kernel parameter rollback=1 indicates that the system is started in a recovery mode, if so, starting a recovery module, and if not, entering a normal system starting flow;
step three, adding a backup module: the backup module needs to support full backup and incremental backup, and the functions of the module include:
1) Full back-up device: automatically carrying out full-quantity backup on the system once;
2) Incremental backup device: the system automatically backs up regularly;
3) Abnormality detection device: before backup, disk space detection is carried out, backup operation is not carried out under the condition of insufficient space, corresponding logs are recorded, and the situation that the system occupies only a small amount of disk space is avoided;
4) Backup management device: and the number of the backups which can be kept is limited, so that excessive space is avoided, and when the number of the backups reaches the limit, the oldest backups can be replaced by new backups.
2. The method for automatic backup restoration of a system according to claim 1, wherein: in the step S2, when the operating system is installed, an independent partition is divided for the backup and restore subsystem, and the mounting point of the partition is set.
3. The method for automatic backup restoration of a system according to claim 1, wherein: in the final stage of system installation in step S2, an update-grub command is executed, and the backup restore subsystem is added to the grub boot startup manager.
4. The method for automatic backup restoration of a system according to claim 1, wherein: the backup and restoration in the step S3 are carried out by directly operating the disk partition mirror image; and after the backup and the restoration are completed, displaying a restarting entrance.
5. The method for automatic backup restoration of a system according to claim 1, wherein: in the step S3, during the backup operation, the partition mirror image of the system is captured and stored under the root directory of the backup restoring small system, and in the storage process, in order to reduce the space occupied by backup, the compression operation is firstly carried out on the backup intermediate file, and then the compressed file is stored; and when restoring, reading the backup node file selected by the user, finding out the corresponding backup mirror image under the root directory of the backup restoring small system, and decompressing and restoring to the main system partition.
6. The method for automatic backup restoration of a system according to claim 1, wherein: in the second step, the system is executed as early as possible on the premise of meeting the preparation environment of the restoring module, the system problem occurring in the early stage of starting can be solved as far as possible, the system runs before the login module, the later service is blocked, the backup node list is displayed, the user input is received, the selected backup is used for restoring the system, and the system is restarted after the restoration is finished.
7. The method for automatic backup restoration of a system according to claim 1, wherein: the restoration module in the second step is used for judging whether backup exists, if no backup exists, prompting related information, restarting, and if backup exists, continuing the subsequent flow; displaying all backups and providing a backup selection interface; and after the backup to be restored is selected, restoring the main system file into a backup file.
8. The method for automatic backup restoration of a system according to claim 1, wherein: and in the third step, the system performs backup every month for a period of time of periodic automatic backup.
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