CN107797889B - Method and device for checking system file backup integrity - Google Patents
Method and device for checking system file backup integrity Download PDFInfo
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- CN107797889B CN107797889B CN201711119881.9A CN201711119881A CN107797889B CN 107797889 B CN107797889 B CN 107797889B CN 201711119881 A CN201711119881 A CN 201711119881A CN 107797889 B CN107797889 B CN 107797889B
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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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- 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
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
- G06F11/1012—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error
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Abstract
The invention relates to a method and a device for checking the integrity of system file backup, wherein the method comprises the following steps: generating a list to be backed up according to the backup requirement and the system file information; acquiring backup information from a list to be backed up, determining a backup file corresponding to the backup information according to the backup information, and backing up the backup file; when the backup file is successfully backed up to the preset position, storing the backup information into a preset check list, and returning to the previous step until all the backup information in the list to be backed up is processed; and comparing the list to be backed up with the inspection list to generate a comparison result, and determining the integrity of the backup according to the comparison result. The invention realizes the check of the integrity of the system file backup, shortens the check period and reduces the error detection rate.
Description
Technical Field
The invention belongs to the technical field of data processing, and particularly relates to a method and a device for checking the integrity of system file backup.
Background
Currently, when backing up a system file to a storage device, backup software forms a backup log, where the backup log includes backup start time, backup end time, a file name of a successful backup, a file name of a failed backup, and the like. The integrity of the system file backup cannot be determined according to the content of the backup log. The existing mode for checking the integrity of the file backup of the system is a manual checking mode or a sampling checking mode, and the problems of long checking period and high error detection rate exist.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method and apparatus for verifying the integrity of system file backup in view of the shortcomings of the prior art.
The technical scheme for solving the technical problems is as follows: a method of verifying the integrity of a system file backup comprising the steps of:
s1, generating a list to be backed up according to the backup requirement and the system file information;
s2, obtaining a piece of backup information from the list to be backed up, determining a backup file corresponding to the backup information according to the backup information, and backing up the backup file;
s3, when the backup file is successfully backed up to the preset position, storing the backup information into a preset check list, and returning to S2 until all the backup information in the list to be backed up is processed;
and S4, comparing the list to be backed up with the check list to generate a comparison result, and determining the integrity of the backup according to the comparison result.
The invention has the beneficial effects that: the method comprises the steps of generating a list to be backed up through a backup requirement and system file information, backing up a backup file corresponding to one piece of backup information in the list to be backed up, storing the backup information into a check list after the backup is successful until all the backup information in the list to be backed up is processed, and determining the backup integrity of the system file through comparison between the list to be backed up and the check list.
Another technical solution of the present invention for solving the above technical problems is as follows: an apparatus for verifying integrity of a system file backup, comprising:
the generating unit is used for generating a list to be backed up according to the backup requirement and the system file information;
the acquisition unit is used for acquiring backup information from the list to be backed up, determining a backup file corresponding to the backup information according to the backup information, and backing up the backup file;
the storage unit is used for storing the backup information into a preset check list when the backup file is successfully backed up to a preset position, and calling the acquisition unit until all the backup information in the list to be backed up is processed;
and the checking unit is used for comparing the list to be backed up with the checking list to generate a comparison result and determining the integrity of the backup according to the comparison result.
The invention has the beneficial effects that: the method comprises the steps of generating a list to be backed up through a backup requirement and system file information, backing up a backup file corresponding to one piece of backup information in the list to be backed up, storing the backup information into a check list after the backup is successful until all the backup information in the list to be backed up is processed, and determining the backup integrity of the system file through comparison between the list to be backed up and the check list.
Drawings
Fig. 1 is a flowchart illustrating a method for checking integrity of system file backup according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a method for verifying the integrity of a system file backup according to another embodiment of the present invention;
FIG. 3 is a flowchart illustrating a method for verifying the integrity of a system file backup according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of an apparatus for verifying integrity of system file backup according to an embodiment of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, a method for checking integrity of system file backup provided in an embodiment of the present invention includes the following steps:
s1, generating a list to be backed up according to the backup requirement and the system file information;
s2, obtaining a piece of backup information from the list to be backed up, determining a backup file corresponding to the backup information according to the backup information, and backing up the backup file;
specifically, backup files are backed up using backup software.
S3, when the backup file is successfully backed up to the preset position, storing the backup information into a preset check list, and returning to S2 until all the backup information in the list to be backed up is processed;
specifically, the preset location may be a storage area in a tape library, or may be a storage area in a disk library. When the backup software successfully backs up the backup file to the preset position, the backup information is stored in the check list, then another piece of backup information is obtained from the list to be backed up, another backup file is determined according to the another piece of backup information, the another backup file is backed up, after the backup is successful, the another piece of backup information is stored in the check list, and the steps are repeated until all the backup information in the list to be backed up is processed.
And S4, comparing the list to be backed up with the check list to generate a comparison result, and determining the integrity of the backup according to the comparison result.
The method for checking the integrity of the system file backup provided by the embodiment of the invention generates a list to be backed up through a backup requirement and system file information, backs up a backup file corresponding to one piece of backup information in the list to be backed up, stores the backup information into a check list after the backup is successful until the backup information in the list to be backed up is completely processed, and can determine the integrity of the system file backup through the comparison between the list to be backed up and the check list.
Preferably, as another embodiment of the present invention, on the basis of the embodiment shown in fig. 1, in this embodiment, before the backing up the backed-up file, the method further includes:
generating a first check code according to a backup file corresponding to backup information and a prestored check rule, and storing the first check code in a matching manner with the backup information in the list to be backed up;
specifically, the first check code carries a mark, which corresponds to the backup information. The number of the backup files corresponding to the backup information is suitable to be one, and when the first check code generated by one backup file is used for checking, the accuracy of checking the completeness of data is higher.
After the step of storing the backup information into a preset check list, the method further comprises the following steps:
and generating a second check code according to the backup file at the preset position and the check rule, and storing the second check code in a matching manner with the backup information in the check list so as to determine the integrity of the backup data.
Specifically, the second check code carries a mark, which corresponds to the backup information. The number of the backup files at the preset position is suitable to be one, and when the second check code generated by one backup file is used for checking, the accuracy of checking the completeness of data is higher.
In the embodiment, the first check code is generated according to the backup file existing in the system before backup, and the second check code is generated according to the backup file at the preset position after the backup information is stored in the check list, so that whether the backup data of the backup file is complete or not can be determined according to the first check code and the second check code, and the comprehensiveness and accuracy of the check are improved.
Preferably, as another embodiment of the present invention, on the basis of the embodiment shown in fig. 1, as shown in fig. 2, the S4 includes:
s41, judging whether the quantity of the backup information in the list to be backed up is the same as that in the check list, if so, the backup quantity is complete, otherwise, the backup quantity is incomplete;
specifically, when the number of the backup information in the to-be-backed-up list is different from the number of the backup information in the check list, the number of the backup information in the to-be-backed-up list is greater than the number of the backup information in the check list.
And S42, judging whether the first check code of each piece of backup information is the same as the corresponding second check code, if so, the backup data is complete, otherwise, the backup data is not complete.
Specifically, when the first check code of one piece of backup information is the same as the corresponding second check code, all data backups in the backup file corresponding to the piece of backup information are complete, and when the first check code of one piece of backup information is different from the corresponding second check code, all data backups in the backup file corresponding to the piece of backup information are incomplete.
In this embodiment, the integrity of the backup data is determined after the integrity of the backup data is determined. And storing the judgment result of the integrity of the backup quantity and the judgment result of the integrity of the backup data so as to facilitate later downloading and analysis.
In the embodiment, whether the backup number is complete or not is determined by comparing the backup information numbers in the list before and after backup, and whether the backup data is complete or not is determined according to comparison of the check codes generated by the data before and after backup, so that the comprehensiveness and accuracy of the check are improved.
Preferably, as another embodiment of the present invention, on the basis of the embodiment shown in fig. 2, as shown in fig. 3, the S1 includes:
s11, acquiring system file information, and selecting all backup information from the system file information according to the backup requirement;
specifically, the backup requirements may include: the backup information is composed of the data source characteristics of the system files, the types of the system files, the storage directories of the system files and the storage addresses of the system files, or the backup information is composed of the data source characteristics of the system files, the types of the system files, the storage directories of the system files, the storage addresses of the system files and the file generation periods.
S12, judging whether system files corresponding to all backup information exist in the system;
and S13, when the system file exists, generating a list to be backed up according to the backup requirement and all backup information.
Specifically, the backup requirement is set according to a requirement, and the backup requirement may further include: checking the backup integrity of all system files, checking the backup integrity of some of all system files, or checking the backup integrity of a binary type of system file. The backup requirements are different, the generated lists to be backed up are different, and the check ranges of the backup integrity are different.
In the embodiment, all backup information is selected from the acquired system file information according to the backup requirement, so that personalized backup is realized, when system files corresponding to all the backup information exist, lists to be backed up are generated according to the backup requirement and all the backup information, the lists to be backed up are generated according to different backup requirements, and therefore personalized inspection is performed according to the personalized lists to be backed up, and the inspection flexibility is improved.
Preferably, as another embodiment of the present invention, on the basis of any one of the above embodiments, in this embodiment, the system file information includes: the data source characteristics of the system files, the types of the system files, the storage directories of the system files, the storage addresses of the system files, the file generation periods and the types of the file generation periods.
Specifically, the system file information is provided by the backup requester. The types of system files include: text type and binary type, etc. The data source characteristics of the system file include: whether the file in the data source is compressed, whether the file in the data source is encrypted, and the like. The file generation cycle includes: every three days 5 system files are generated or every day 10 system files are generated. The backup information corresponding to the backup file with the same file generation period is arranged at the adjacent position in the list to be backed up, so that unified backup and inspection are facilitated, and all the backup files can be quickly found out when the backup files need to be restored. The types of file generation cycles include: the file generation period is stable, the file generation period is unstable, and the like. When the type of the file generation period is that the file generation period is unstable, a check period of the file of the type can be set, and alarm information is sent when backup information of the file of the type does not exist in a list to be backed up generated in the check period.
In the embodiment, the backup files can be determined more accurately through the contents included in the system file information, so that the backup files are prevented from being prepared by mistake, the backup files in the same period can be uniformly backed up and checked according to the file generation period, and the backup files can be positioned more quickly when needing to be restored.
As shown in fig. 4, an apparatus for verifying integrity of a system file backup according to an embodiment of the present invention includes:
the generating unit is used for generating a list to be backed up according to the backup requirement and the system file information;
the acquisition unit is used for acquiring backup information from the list to be backed up, determining a backup file corresponding to the backup information according to the backup information, and backing up the backup file;
the storage unit is used for storing the backup information into a preset check list when the backup file is successfully backed up to a preset position, and calling the acquisition unit until all the backup information in the list to be backed up is processed;
and the checking unit is used for comparing the list to be backed up with the checking list to generate a comparison result and determining the integrity of the backup according to the comparison result.
The device for checking the integrity of the system file backup provided by the embodiment of the invention generates a list to be backed up through a backup requirement and system file information, backs up a backup file corresponding to one piece of backup information in the list to be backed up, stores the backup information into a check list after the backup is successful until the backup information in the list to be backed up is completely processed, and can determine the integrity of the system file backup through the comparison between the list to be backed up and the check list.
Preferably, as another embodiment of the present invention, on the basis of the embodiment shown in fig. 4, in this embodiment, the obtaining unit is specifically configured to: acquiring backup information from a list to be backed up, determining a backup file corresponding to the backup information according to the backup information, generating a first check code according to the backup file corresponding to the backup information and a pre-stored check rule, storing the first check code in a matching manner with the backup information in the list to be backed up, and backing up the backup file;
the storage unit is specifically configured to: when the backup file is successfully backed up to the preset position, the backup information is stored in a preset check list, a second check code is generated according to the backup file at the preset position and the check rule, the second check code is matched with the backup information in the check list for storage, the integrity of the backup data is determined, and an acquisition unit is called until all the backup information in the list to be backed up is processed.
In the embodiment, the first check code is generated according to the backup file existing in the system before backup, and the second check code is generated according to the backup file at the preset position after the backup information is stored in the check list, so that whether the backup data of the backup file is complete or not can be determined according to the first check code and the second check code, and the comprehensiveness and accuracy of the check are improved.
Preferably, as another embodiment of the present invention, on the basis of the embodiment shown in fig. 4, in this embodiment, the inspection unit is specifically configured to:
judging whether the quantity of the backup information in the list to be backed up is the same as that in the check list, if so, the backup quantity is complete, otherwise, the backup quantity is incomplete;
and judging whether the first check code of each piece of backup information is the same as the corresponding second check code, if so, the backup data is complete, otherwise, the backup data is not complete.
In the embodiment, whether the backup number is complete or not is determined by comparing the backup information numbers in the list before and after backup, and whether the backup data is complete or not is determined according to comparison of the check codes generated by the data before and after backup, so that the comprehensiveness and accuracy of the check are improved.
Preferably, as another embodiment of the present invention, on the basis of the embodiment shown in fig. 4, in this embodiment, the generating unit is specifically configured to:
acquiring system file information, and selecting all backup information from the system file information according to backup requirements;
judging whether system files corresponding to all backup information exist in the system or not;
and when the system file exists, generating a list to be backed up according to the backup requirement and all backup information.
In the embodiment, all backup information is selected from the acquired system file information according to the backup requirement, so that personalized backup is realized, when system files corresponding to all the backup information exist, lists to be backed up are generated according to the backup requirement and all the backup information, the lists to be backed up are generated according to different backup requirements, and therefore personalized inspection is performed according to the personalized lists to be backed up, and the inspection flexibility is improved.
Preferably, as another embodiment of the present invention, on the basis of any one of the above embodiments, in this embodiment, the system file information includes: the data source characteristics of the system files, the types of the system files, the storage directories of the system files, the storage addresses of the system files, the file generation periods and the types of the file generation periods.
In the embodiment, the backup files can be determined more accurately through the contents included in the system file information, so that the backup files are prevented from being prepared by mistake, the backup files in the same period can be uniformly backed up and checked according to the file generation period, and the backup files can be positioned more quickly when needing to be restored.
The functions performed by the components of the device have been described in detail in the method for checking the integrity of the system file backup in the above embodiment, and are not described herein again.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A method for verifying the integrity of a system file backup, comprising the steps of:
s1, generating a list to be backed up according to the backup requirement and the system file information;
s2, obtaining a piece of backup information from the list to be backed up, determining a backup file corresponding to the backup information according to the backup information, and backing up the backup file;
s3, when the backup file is successfully backed up to the preset position, storing the backup information into a preset check list, and returning to S2 until all the backup information in the list to be backed up is processed;
and S4, comparing the list to be backed up with the check list to generate a comparison result, and determining the integrity of the backup according to the comparison result.
2. The method of claim 1, wherein before backing up the backed-up file, further comprising:
generating a first check code according to a backup file corresponding to backup information and a prestored check rule, and storing the first check code in a matching manner with the backup information in the list to be backed up;
after the step of storing the backup information into a preset check list, the method further comprises the following steps:
and generating a second check code according to the backup file at the preset position and the check rule, and storing the second check code in a matching manner with the backup information in the check list so as to determine the integrity of the backup data.
3. The method according to claim 2, wherein the S4 includes:
judging whether the quantity of the backup information in the list to be backed up is the same as that in the check list, if so, the backup quantity is complete, otherwise, the backup quantity is incomplete;
and judging whether the first check code of each piece of backup information is the same as the corresponding second check code, if so, the backup data is complete, otherwise, the backup data is not complete.
4. The method according to claim 3, wherein the S1 includes:
acquiring system file information, and selecting all backup information from the system file information according to backup requirements;
judging whether system files corresponding to all backup information exist in the system or not;
and when the system file exists, generating a list to be backed up according to the backup requirement and all backup information.
5. The method of any of claims 1 to 4, wherein the system file information comprises: the data source characteristics of the system files, the types of the system files, the storage directories of the system files, the storage addresses of the system files, the file generation periods and the types of the file generation periods.
6. An apparatus for verifying integrity of a system file backup, comprising:
the generating unit is used for generating a list to be backed up according to the backup requirement and the system file information;
the acquisition unit is used for acquiring backup information from the list to be backed up, determining a backup file corresponding to the backup information according to the backup information, and backing up the backup file;
the storage unit is used for storing the backup information into a preset check list when the backup file is successfully backed up to a preset position, and calling the acquisition unit until all the backup information in the list to be backed up is processed;
and the checking unit is used for comparing the list to be backed up with the checking list to generate a comparison result and determining the integrity of the backup according to the comparison result.
7. The apparatus according to claim 6, wherein the obtaining unit is specifically configured to: acquiring backup information from a list to be backed up, determining a backup file corresponding to the backup information according to the backup information, generating a first check code according to the backup file corresponding to the backup information and a pre-stored check rule, storing the first check code in a matching manner with the backup information in the list to be backed up, and backing up the backup file;
the storage unit is specifically configured to: when the backup file is successfully backed up to the preset position, the backup information is stored in a preset check list, a second check code is generated according to the backup file at the preset position and the check rule, the second check code is matched with the backup information in the check list for storage, the integrity of the backup data is determined, and an acquisition unit is called until all the backup information in the list to be backed up is processed.
8. The device according to claim 7, characterized in that said checking unit is particularly adapted to:
judging whether the quantity of the backup information in the list to be backed up is the same as that in the check list, if so, the backup quantity is complete, otherwise, the backup quantity is incomplete;
and judging whether the first check code of each piece of backup information is the same as the corresponding second check code, if so, the backup data is complete, otherwise, the backup data is not complete.
9. The apparatus according to claim 8, wherein the generating unit is specifically configured to:
acquiring system file information, and selecting all backup information from the system file information according to backup requirements;
judging whether system files corresponding to all backup information exist in the system or not;
and when the system file exists, generating a list to be backed up according to the backup requirement and all backup information.
10. The apparatus according to any one of claims 6 to 9, wherein the system file information comprises: the data source characteristics of the system files, the types of the system files, the storage directories of the system files, the storage addresses of the system files, the file generation periods and the types of the file generation periods.
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| CN111177784A (en) * | 2019-12-31 | 2020-05-19 | 上海摩勤智能技术有限公司 | Security protection method and device for file system and storage medium |
| CN111400105A (en) * | 2020-03-27 | 2020-07-10 | 北京拓世寰宇网络技术有限公司 | Database backup method and device |
| CN113553273A (en) * | 2021-09-23 | 2021-10-26 | 卡斯柯信号(北京)有限公司 | System configuration rule verification method and device |
| CN114138554B (en) * | 2021-11-22 | 2022-08-09 | 深圳互信互通科技有限公司 | Wireless AP configuration information backup and system recovery control system |
| CN114401147B (en) * | 2022-01-20 | 2024-02-20 | 山西晟视汇智科技有限公司 | New energy power station communication message comparison method and system based on abstract algorithm |
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| CN106598785A (en) * | 2016-12-16 | 2017-04-26 | 广东美晨通讯有限公司 | File system backup and restoration method and device |
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