CN107247640B - Rapid restoration method and device for operating system - Google Patents
Rapid restoration method and device for operating system Download PDFInfo
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- CN107247640B CN107247640B CN201710367167.5A CN201710367167A CN107247640B CN 107247640 B CN107247640 B CN 107247640B CN 201710367167 A CN201710367167 A CN 201710367167A CN 107247640 B CN107247640 B CN 107247640B
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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
- G06F11/1448—Management of the data involved in backup or backup restore
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- 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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Abstract
The invention discloses a method and a device for quickly restoring an operating system. The method and the device for restoring the operating system obtain current key hot data corresponding to a restoring request sent by the device to be restored, and send the obtained current key hot data to the device to be restored, so that the device to be restored restores the current operating system to the target operating system through the current key hot data.
Description
Technical Field
The present invention relates to the field of data backup and restore technologies, and in particular, to a method and an apparatus for quickly restoring an operating system.
Background
When restoring an operating system to a computer, the operating system of the computer is generally stopped, and then a boot system of an optical disk, a U-disk or a network is run on the computer, and all data of the previously backed up operating system is read and written to a hard disk by the boot system.
If the data volume is large, the process of waiting for the recovery of the operating system after the data is completely read in the prior art needs a long time, and during the process, the computer cannot provide services to the outside, so that the waiting time of the services is too long.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a method and a device for quickly restoring an operating system, and aims to solve the technical problem that the waiting time of a service is too long due to the fact that the restoring process of a computer is too long in the prior art.
In order to achieve the above object, the present invention provides a fast recovery method of an operating system, including the following steps:
responding to a restoration request sent by equipment to be restored, and acquiring current key hot data corresponding to the restoration request, wherein the current key hot data is the minimum data required when a target operating system is started;
and sending the acquired current key thermal data to the equipment to be restored so that the equipment to be restored restores the current operating system to the target operating system through the current key thermal data, thereby realizing the rapid restoration of the operating system.
Preferably, before the responding to a restoration request sent by a device to be restored and acquiring current key hot data corresponding to the restoration request, the method further includes:
and receiving the key hot data to be backed up sent by the equipment to be backed up.
Preferably, the key hot data to be backed up is obtained by a file-level filter driver running in an original operating system of the device to be backed up; the file level filter driver is used for being started simultaneously with the original operating system, recording files needing to be accessed when the original operating system is started, and taking the recorded files as the key hot data to be backed up.
Preferably, the key hot data to be backed up is acquired by a virtual machine; the virtual machine is used for running an original operating system of the equipment to be backed up, capturing a hard disk sector needing to be accessed when the original operating system is started through a monitor, and taking the obtained hard disk sector as the key hot data to be backed up;
or the like, or, alternatively,
the key hot data to be backed up is obtained by a main boot record program and a hard disk filter driver program which are operated in an original operating system of the equipment to be backed up; the main boot recording program is used for recording sectors accessed by the original operating system during the real mode and adding the recorded sectors to the key hot data to be backed up; the hard disk filter driver is used for recording sectors accessed by the original operating system during a non-real mode and adding the recorded sectors to the key hot data to be backed up.
Preferably, the key hot data to be backed up is obtained by a system analysis program running in an original operating system of the device to be backed up; the system analysis program is used for analyzing the original operating system according to the type of the original operating system, obtaining files and/or sectors which need to be accessed when the original operating system is started, and taking the obtained files and/or sectors as the key hot data to be backed up.
In addition, to achieve the above object, the present invention further provides a fast recovery apparatus of an operating system, the apparatus including:
the device comprises a hot data acquisition module, a data storage module and a data processing module, wherein the hot data acquisition module is used for responding to a restoration request sent by equipment to be restored and acquiring current key hot data corresponding to the restoration request, and the current key hot data is the minimum data required by starting a target operating system;
and the system restoring module is used for sending the acquired current key thermal data to the equipment to be restored so as to enable the equipment to be restored to restore the current operating system to the target operating system through the current key thermal data, thereby realizing the rapid restoration of the operating system.
Preferably, the apparatus further comprises:
and the hot data receiving module is used for receiving the key hot data to be backed up sent by the equipment to be backed up.
Preferably, the key hot data to be backed up is obtained by a file-level filter driver running in an original operating system of the device to be backed up; the file level filter driver is used for being started simultaneously with the original operating system, recording files needing to be accessed when the original operating system is started, and taking the recorded files as the key hot data to be backed up.
Preferably, the key hot data to be backed up is acquired by a virtual machine; the virtual machine is used for running an original operating system of the equipment to be backed up, capturing a hard disk sector needing to be accessed when the original operating system is started through a monitor, and taking the obtained hard disk sector as the key hot data to be backed up;
or the like, or, alternatively,
the key hot data to be backed up is obtained by a main boot record program and a hard disk filter driver program which are operated in an original operating system of the equipment to be backed up; the main boot recording program is used for recording sectors accessed by the original operating system during the real mode and adding the recorded sectors to the key hot data to be backed up; the hard disk filter driver is used for recording sectors accessed by the original operating system during a non-real mode and adding the recorded sectors to the key hot data to be backed up.
Preferably, the key hot data to be backed up is obtained by a system analysis program running in an original operating system of the device to be backed up; the system analysis program is used for analyzing the original operating system according to the type of the original operating system, obtaining files and/or sectors which need to be accessed when the original operating system is started, and taking the obtained files and/or sectors as the key hot data to be backed up.
The method and the device for restoring the operating system obtain current key hot data corresponding to a restoring request sent by the device to be restored, and send the obtained current key hot data to the device to be restored, so that the device to be restored restores the current operating system to the target operating system through the current key hot data.
Drawings
FIG. 1 is a flowchart illustrating a fast recovery method for an operating system according to a first embodiment of the present invention;
FIG. 2 is a flowchart illustrating a fast recovery method for an operating system according to a second embodiment of the present invention;
FIG. 3 is a block diagram of a fast recovery apparatus of an operating system according to a first embodiment of the present invention;
FIG. 4 is a block diagram of a fast recovery apparatus of an operating system according to a second embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a first embodiment of the present invention provides a fast restoration method for an operating system, where the method includes:
s10: responding to a restoration request sent by equipment to be restored, and acquiring current key hot data corresponding to the restoration request, wherein the current key hot data is the minimum data required when a target operating system is started;
it should be noted that the main execution unit of the method of this embodiment is a backup device, and certainly, other devices with similar functions may also be used, which is not limited in this embodiment.
It is understood that the device to be restored may be a PC, a service server, or a notebook computer, and of course, may also be other devices, which is not limited in this embodiment.
In a specific implementation, the restoration request may be generated by the device to be restored when receiving an operation instruction input by a user, or may be generated by the device to be restored when a state detection is performed by the device to be restored, and the current state does not satisfy a preset condition.
It should be understood that the restore request generally carries requirement information, where the requirement information is used to determine which key thermal data is required, and thus the current key thermal data is the key thermal data determined by the requirement information.
S20: and sending the acquired current key thermal data to the equipment to be restored so that the equipment to be restored restores the current operating system to the target operating system through the current key thermal data, thereby realizing the rapid restoration of the operating system.
It can be understood that after the obtained current key hot data is sent to the device to be restored, the device to be restored can restore the current operating system to the target operating system through the current key hot data, and because the current key hot data is the minimum data required when the target operating system is started, the data volume of the current key hot data is not too large, the time for completely transmitting the current key hot data to the device to be restored is relatively short, and therefore the rapid restoration of the operating system is realized.
It should be noted that the backup device has other data to be restored besides the current key hot data, and after the device to be restored restores the current operating system to the target operating system through the current key hot data, the device to be restored may continue to acquire the other data to be restored in the backup device.
The method includes the steps of obtaining current key hot data corresponding to a restoration request sent by equipment to be restored, sending the obtained current key hot data to the equipment to be restored, enabling the equipment to be restored to restore a current operating system to a target operating system through the current key hot data.
Referring to fig. 2, fig. 2 is a flowchart illustrating a fast recovery method of an operating system according to a second embodiment of the present invention, and the fast recovery method of an operating system according to the second embodiment of the present invention is proposed based on the embodiment shown in fig. 1.
In this embodiment, before step S10, the method further includes:
s00: and receiving the key hot data to be backed up sent by the equipment to be backed up.
In order to facilitate obtaining the current key hot data corresponding to the restore request, at least one key hot data needs to be stored in the backup device, and therefore, before the step S10, the key hot data to be backed up sent by the device to be backed up needs to be received.
Since the current key hot data is the minimum data required for starting the target operating system, the device to be backed up accurately identifies the key hot data to be backed up as a very important process, and in a specific implementation, the key hot data to be backed up can be identified in a plurality of ways.
The key hot data to be backed up is identified in three ways as an example below:
the first mode is as follows: a file-level filter acquisition mode; that is to say, the key hot data to be backed up is obtained by a file-level filter driver running in the original operating system of the device to be backed up; the file-level filter driver (which is started in preference to other programs) is used for starting simultaneously with the original operating system, recording files which the original operating system needs to access when starting, and taking the recorded files as the key hot data to be backed up.
The second way is: a sector monitoring mode; in the first mode, all required files are recorded by a file-level filter program, but some non-file areas (directly outside the partition of the hard disk, non-file areas) may be accessed by a few systems, so that the files cannot be recorded.
Specifically, the second manner can be implemented in two ways;
the first approach is the virtual machine approach; that is to say, the key hot data to be backed up is acquired by the virtual machine; the virtual machine is used for running an original operating system of the equipment to be backed up, capturing a hard disk sector needing to be accessed by the original operating system when the original operating system is started through a monitor (namely the monitor of the virtual machine), and taking the obtained hard disk sector as the key hot data to be backed up;
the second approach is a main guide record program and hard disk filter drive program approach; that is to say, the key hot data to be backed up is obtained by a master boot record program (i.e. MBR program) and a hard disk filter driver running in the original operating system of the device to be backed up; the main boot recording program is used for recording sectors accessed by the original operating system during the real mode and adding the recorded sectors to the key hot data to be backed up; the hard disk filter driver is used for recording sectors accessed by the original operating system during a non-real mode and adding the recorded sectors to the key hot data to be backed up.
The third mode is as follows: a direct analysis mode; that is to say, the key hot data to be backed up is obtained by a system analysis program running in an original operating system of the device to be backed up; the system analysis program is used for analyzing the original operating system according to the type of the original operating system, obtaining files and/or sectors which need to be accessed when the original operating system is started, and taking the obtained files and/or sectors as the key hot data to be backed up.
Some systems have a relatively simple boot process, and it is also very clear, for example, the Unix system and L inux system can clearly know the sectors and files required for booting the system, such as the MBR and the first 63 reserved sectors of the hard disk, the GUID Partition Table (GPT) system Partition, the L inux/boot Partition, the L inux Initramfs file, and the kernel file, which are the key hot data to be backed up.
Referring to fig. 3, a third embodiment of the present invention provides a fast recovery apparatus for an operating system, including:
the system comprises a hot data acquisition module 10, a storage module and a processing module, wherein the hot data acquisition module is used for responding to a restoration request sent by equipment to be restored, and acquiring current key hot data corresponding to the restoration request, and the current key hot data is the minimum data required when a target operating system is started;
it should be noted that the apparatus of this embodiment is disposed on a backup device, and certainly, may also be disposed on other devices with similar functions, which is not limited in this embodiment.
It is understood that the device to be restored may be a PC, a service server, or a notebook computer, and of course, may also be other devices, which is not limited in this embodiment.
In a specific implementation, the restoration request may be generated by the device to be restored when receiving an operation instruction input by a user, or may be generated by the device to be restored when a state detection is performed by the device to be restored, and the current state does not satisfy a preset condition.
It should be understood that the restore request generally carries requirement information, where the requirement information is used to determine which key thermal data is required, and thus the current key thermal data is the key thermal data determined by the requirement information.
The system restoring module 20 is configured to send the obtained current key thermal data to the device to be restored, so that the device to be restored restores the current operating system to the target operating system through the current key thermal data, thereby implementing quick restoration of the operating system.
It can be understood that after the obtained current key hot data is sent to the device to be restored, the device to be restored can restore the current operating system to the target operating system through the current key hot data, and because the current key hot data is the minimum data required when the target operating system is started, the data volume of the current key hot data is not too large, the time for completely transmitting the current key hot data to the device to be restored is relatively short, and therefore the rapid restoration of the operating system is realized.
It should be noted that the backup device has other data to be restored besides the current key hot data, and after the device to be restored restores the current operating system to the target operating system through the current key hot data, the device to be restored may continue to acquire the other data to be restored in the backup device.
The method includes the steps of obtaining current key hot data corresponding to a restoration request sent by equipment to be restored, sending the obtained current key hot data to the equipment to be restored, enabling the equipment to be restored to restore a current operating system to a target operating system through the current key hot data.
Referring to fig. 4, fig. 4 is a schematic diagram of program modules of a fast recovery apparatus of an operating system according to a second embodiment of the present invention, and the fast recovery apparatus of an operating system according to the second embodiment of the present invention is provided based on the embodiment shown in fig. 3.
In this embodiment, the apparatus further includes:
and the hot data receiving module 00 is configured to receive the key hot data to be backed up, which is sent by the device to be backed up.
In order to facilitate obtaining the current key hot data corresponding to the restore request, at least one key hot data needs to be stored in the backup device, and therefore the key hot data to be backed up sent by the device to be backed up needs to be received first.
Since the current key hot data is the minimum data required for starting the target operating system, the device to be backed up accurately identifies the key hot data to be backed up as a very important process, and in a specific implementation, the key hot data to be backed up can be identified in a plurality of ways.
The key hot data to be backed up is identified in three ways as an example below:
the first mode is as follows: a file-level filter acquisition mode; that is to say, the key hot data to be backed up is obtained by a file-level filter driver running in the original operating system of the device to be backed up; the file-level filter driver (which is started in preference to other programs) is used for starting simultaneously with the original operating system, recording files which the original operating system needs to access when starting, and taking the recorded files as the key hot data to be backed up.
The second way is: a sector monitoring mode; in the first mode, all required files are recorded by a file-level filter program, but some non-file areas (directly outside the partition of the hard disk, non-file areas) may be accessed by a few systems, so that the files cannot be recorded.
Specifically, the second manner can be implemented in two ways;
the first approach is the virtual machine approach; that is to say, the key hot data to be backed up is acquired by the virtual machine; the virtual machine is used for running an original operating system of the equipment to be backed up, capturing a hard disk sector needing to be accessed by the original operating system when the original operating system is started through a monitor (namely the monitor of the virtual machine), and taking the obtained hard disk sector as the key hot data to be backed up;
the second approach is a main guide record program and hard disk filter drive program approach; that is to say, the key hot data to be backed up is obtained by a master boot record program (i.e. MBR program) and a hard disk filter driver running in the original operating system of the device to be backed up; the main boot recording program is used for recording sectors accessed by the original operating system during the real mode and adding the recorded sectors to the key hot data to be backed up; the hard disk filter driver is used for recording sectors accessed by the original operating system during a non-real mode and adding the recorded sectors to the key hot data to be backed up.
The third mode is as follows: a direct analysis mode; that is to say, the key hot data to be backed up is obtained by a system analysis program running in an original operating system of the device to be backed up; the system analysis program is used for analyzing the original operating system according to the type of the original operating system, obtaining files and/or sectors which need to be accessed when the original operating system is started, and taking the obtained files and/or sectors as the key hot data to be backed up.
Some systems have a relatively simple boot process, and it is also very clear, for example, the Unix system and L inux system can clearly know the sectors and files required for booting the system, such as the MBR and the first 63 reserved sectors of the hard disk, the GUID Partition Table (GPT) system Partition, the L inux/boot Partition, the L inux Initramfs file, and the kernel file, which are the key hot data to be backed up.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A method for fast restoring an operating system, the method comprising the steps of:
responding to a restoration request sent by equipment to be restored, and acquiring current key hot data corresponding to the restoration request, wherein the current key hot data is the minimum data required when a target operating system is started, and the restoration request carries requirement information which is used for determining the required current key hot data;
and sending the acquired current key thermal data to the equipment to be restored so that the equipment to be restored restores the current operating system to the target operating system through the current key thermal data, thereby realizing the rapid restoration of the operating system.
2. The method of claim 1, wherein before the current critical hot data corresponding to the restore request is obtained in response to a restore request sent by a device to be restored, the method further comprises:
and receiving the key hot data to be backed up sent by the equipment to be backed up.
3. The method of claim 2, wherein the critical hot data to be backed up is obtained by a file-level filter driver running in an original operating system of the device to be backed up; the file level filter driver is used for being started simultaneously with the original operating system, recording files needing to be accessed when the original operating system is started, and taking the recorded files as the key hot data to be backed up.
4. The method of claim 2, wherein the critical hot data to be backed up is obtained by a virtual machine; the virtual machine is used for running an original operating system of the equipment to be backed up, capturing a hard disk sector needing to be accessed when the original operating system is started through a monitor, and taking the obtained hard disk sector as the key hot data to be backed up;
or the like, or, alternatively,
the key hot data to be backed up is obtained by a main boot record program and a hard disk filter driver program which are operated in an original operating system of the equipment to be backed up; the main boot recording program is used for recording sectors accessed by the original operating system during the real mode and adding the recorded sectors to the key hot data to be backed up; the hard disk filter driver is used for recording sectors accessed by the original operating system during a non-real mode and adding the recorded sectors to the key hot data to be backed up.
5. The method of claim 2, wherein the critical hot data to be backed up is obtained by a system analysis program running in an original operating system of the device to be backed up; the system analysis program is used for analyzing the original operating system according to the type of the original operating system, obtaining files and/or sectors which need to be accessed when the original operating system is started, and taking the obtained files and/or sectors as the key hot data to be backed up.
6. An apparatus for fast restoring an operating system, the apparatus comprising:
the system comprises a hot data acquisition module, a data storage module and a data processing module, wherein the hot data acquisition module is used for responding to a restoration request sent by equipment to be restored, and acquiring current key hot data corresponding to the restoration request, and the current key hot data is the minimum data required when a target operating system is started;
and the system restoring module is used for sending the acquired current key thermal data to the equipment to be restored so as to enable the equipment to be restored to restore the current operating system to the target operating system through the current key thermal data, thereby realizing the rapid restoration of the operating system.
7. The apparatus of claim 6, wherein the apparatus further comprises:
and the hot data receiving module is used for receiving the key hot data to be backed up sent by the equipment to be backed up.
8. The apparatus of claim 7, wherein the critical hot data to be backed up is obtained by a file-level filter driver running in an original operating system of the device to be backed up; the file level filter driver is used for being started simultaneously with the original operating system, recording files needing to be accessed when the original operating system is started, and taking the recorded files as the key hot data to be backed up.
9. The apparatus of claim 7, wherein the critical hot data to be backed up is obtained by a virtual machine; the virtual machine is used for running an original operating system of the equipment to be backed up, capturing a hard disk sector needing to be accessed when the original operating system is started through a monitor, and taking the obtained hard disk sector as the key hot data to be backed up;
or the like, or, alternatively,
the key hot data to be backed up is obtained by a main boot record program and a hard disk filter driver program which are operated in an original operating system of the equipment to be backed up; the main boot recording program is used for recording sectors accessed by the original operating system during the real mode and adding the recorded sectors to the key hot data to be backed up; the hard disk filter driver is used for recording sectors accessed by the original operating system during a non-real mode and adding the recorded sectors to the key hot data to be backed up.
10. The apparatus of claim 7, wherein the critical hot data to be backed up is obtained by a system analysis program running in an original operating system of the device to be backed up; the system analysis program is used for analyzing the original operating system according to the type of the original operating system, obtaining files and/or sectors which need to be accessed when the original operating system is started, and taking the obtained files and/or sectors as the key hot data to be backed up.
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| CN103778033A (en) * | 2014-01-26 | 2014-05-07 | 宝龙计算机系统（湖南）有限公司 | Method and device for backing up Unix-like operating system at multiple time points |
| CN106095439A (en) * | 2016-06-12 | 2016-11-09 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
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