CN112631831A - Bare computer recovery method and system of service system - Google Patents
Bare computer recovery method and system of service system Download PDFInfo
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- CN112631831A CN112631831A CN202011524493.0A CN202011524493A CN112631831A CN 112631831 A CN112631831 A CN 112631831A CN 202011524493 A CN202011524493 A CN 202011524493A CN 112631831 A CN112631831 A CN 112631831A
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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
- G06F11/1471—Saving, restoring, recovering or retrying involving logging of persistent data for recovery
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Abstract
The invention discloses a bare engine recovery system of a service system, which comprises a disaster recovery server, and a service system and a bare engine server which are in communication connection with the disaster recovery server, wherein the disaster recovery server is used for recovering data in the service system to the bare engine server in any time point state. The service system comprises a CDP disaster recovery client and a service disk, the disaster recovery server comprises a CDP data storage module, a mirror disk and a backup disk, the CDP disaster recovery client synchronizes data in the service disk to the mirror disk and captures IO data changes of the service disk in real time to send the IO data changes to the CDP data storage module, the backup disk generates a recovery system at any time point according to the CDP data storage module and the mirror disk data, and the backup disk mounts the recovery system to the bare computer server through a recovery tool. A bare metal recovery method based on the system is also disclosed. The data loss caused by the service system failure can be greatly reduced.
Description
Technical Field
The present invention relates to the field of data recovery technologies, and in particular, to a bare metal recovery method and system for a service system.
Background
Aiming at the problem that the traditional data backup and recovery technology can only recover the state at a specific time point, the traditional recovery mode has large data loss. The CDP (Continuous Data Protection) technology is a revolutionary major breakthrough to the traditional Data backup technology, the traditional Data backup solution is concentrated on the periodic backup of Data, so that the problems of backup windows, Data consistency, influences on a production system and the like are always accompanied, the CDP provides a new Data Protection means for users, a system manager does not need to pay attention to the backup process of Data, the CDP system can continuously monitor the change of key Data, so that the Data Protection is continuously and automatically realized, and only after a disaster occurs, the Data can be quickly restored by simply selecting a time point to be restored. The bare computer recovery means that the system image file which is backed up before is restored to the bare computer, so that the bare computer becomes a computer of the system and can normally run. How to adopt the CDP technology to recover a business system on a bare computer solves the problem of large data loss during disaster recovery, and becomes a problem which needs to be solved urgently in the prior art at present.
Disclosure of Invention
In order to overcome the above disadvantages, an object of the present invention is to provide a bare metal recovery system of a business system, which can create a disk snapshot from any time point when a failure occurs in the business system, and then perform bare metal recovery, so as to achieve the purpose of recovering from the bare metal at any time point.
In order to achieve the above purposes, the invention adopts the technical scheme that: a bare computer recovery system of a service system comprises a disaster tolerance server, and a service system and a bare computer server which are in communication connection with the disaster tolerance server, and is characterized in that: the disaster recovery server is used for recovering the data in the service system to the bare computer server in any time point state; the service system comprises a CDP disaster recovery client and a service disk, the disaster recovery server comprises a CDP data storage module, a mirror disk and a backup disk, the CDP disaster recovery client synchronizes data in the service disk into the mirror disk and captures IO data changes of the service disk in real time to send the IO data changes to the CDP data storage module, the backup disk generates a recovery system at any time point according to the CDP data storage module and the mirror disk data, and the backup disk mounts the recovery system to the bare computer server through a recovery tool.
Further, the recovery tool is RecoveryCD.
Further, the service machine further comprises a driver embedded in a core layer of the service system, and the CDP disaster recovery client captures IO data changes through the driver.
The invention also discloses a bare computer recovery method of the service system, which can recover the service system to the bare computer server at any time point, thereby greatly reducing the data loss caused by the service system failure.
In order to achieve the above purposes, the invention adopts the technical scheme that: a bare computer recovery method of a service system is characterized in that: the method comprises the following steps:
step 3, data initial backup, the CDP disaster recovery client side initializes backup and scans all disk data in the service system according to the service disk configuration, and then synchronizes all data to the mirror disk in the disaster recovery server;
step 4, after the initial backup of the data is completed, a driver is implanted in a core layer of the business system, and the CDP disaster recovery client side captures the block-level IO data changes of the disk data in real time, stamps a timestamp and a generated serial number on the IO data, and sends the IO data to a CDP data storage module of the disaster recovery server;
and 6, mounting the recovery system on a bare metal server through a bare metal recovery tool.
Further, the information stored in the CDP data storage module is block-level IO data change, and when a system failure occurs and data recovery is required, an arbitrary time point in the CDP data storage module can be selected, where the time point includes data change pointer information and a corresponding timestamp, and a backup disk with complete disaster recovery data can be generated by integrating the data change pointer, the IO data change sequence, and snapshot data.
Further, the bare metal recovery tool is a RecoveryCD, which copies the data distribution of the whole backup disk to the bare metal server completely.
The invention has the beneficial effects that: the disaster recovery server is connected with the service system and the bare computer server to form a system, data of the service system can be backed up in real time and copied to the bare computer server in a mode of creating a snapshot restoring point through the disaster recovery server, and data loss caused by service system faults can be greatly reduced.
Drawings
FIG. 1 is a block diagram showing the structure of embodiment 1 of the present invention;
in the figure:
100-disaster recovery server, 1-CDP data storage module, 2-mirror disk, 3-backup disk, 200-service system, 4-CDP disaster recovery client, 5-service disk and 300-bare computer server
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Example 1
Referring to fig. 1, the bare metal recovery system of a service system according to the present invention includes a disaster recovery server, and a service system and a bare metal server communicatively connected to the disaster recovery server, where the disaster recovery server is configured to recover data in the service system to the bare metal server at any time point. The service system comprises a CDP disaster recovery client and a service disk, the disaster recovery server comprises a CDP data storage module, a mirror disk and a backup disk, the CDP disaster recovery client synchronizes data in the service disk into the mirror disk and captures IO data changes of the service disk in real time to send the IO data changes to the CDP data storage module, the backup disk generates a recovery system at any time point according to the CDP data storage module and the mirror disk data, and the backup disk mounts the recovery system to the bare computer server through a recovery tool.
The recovery tool is RecoveryCD.
The service machine further comprises a driver program implanted in a core layer of the service system, and the CDP disaster recovery client captures IO data changes through the driver program.
Example 2
The invention also discloses a bare computer recovery method of the service system, which can recover the service system to the bare computer server at any time point, thereby greatly reducing the data loss caused by the service system failure. The method comprises the following steps:
step 3, data initial backup, the CDP disaster recovery client side initializes backup and scans all disk data in the service system according to the service disk configuration, and then synchronizes all data to the mirror disk in the disaster recovery server;
step 4, after the initial backup of the data is completed, a driver is implanted in a core layer of the business system, and the CDP disaster recovery client side captures the block-level IO data changes of the disk data in real time, stamps a timestamp and a generated serial number on the IO data, and sends the IO data to a CDP data storage module of the disaster recovery server;
and 6, mounting the recovery system on a bare metal server through a bare metal recovery tool.
The information stored in the CDP data storage module is block-level IO data change, when a system fault occurs and data recovery is needed, any time point in the CDP data storage module can be selected, the time point comprises data change pointer information and a corresponding timestamp, and a backup disk with complete disaster recovery data can be generated by integrating the data change pointer, the IO data change sequence and snapshot data.
The bare computer recovery tool is a RecoveryCD, and the RecoveryCD can completely copy the data distribution of the whole backup disk into the bare computer server.
The disaster recovery server is connected with the service system and the bare computer server to form a system, data of the service system can be backed up in real time and copied to the bare computer server in a mode of creating a snapshot restoring point through the disaster recovery server, and data loss caused by service system faults can be greatly reduced.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (6)
1. A bare computer recovery system of a service system comprises a disaster tolerance server, and a service system and a bare computer server which are in communication connection with the disaster tolerance server, and is characterized in that: the disaster recovery server is used for recovering the data in the service system to the bare computer server in any time point state; the service system comprises a CDP disaster recovery client and a service disk, the disaster recovery server comprises a CDP data storage module, a mirror disk and a backup disk, the CDP disaster recovery client synchronizes data in the service disk into the mirror disk and captures IO data changes of the service disk in real time to send the IO data changes to the CDP data storage module, the backup disk generates a recovery system at any time point according to the CDP data storage module and the mirror disk data, and the backup disk mounts the recovery system to the bare computer server through a recovery tool.
2. The bare metal recovery system of the business system according to claim 1, wherein: the recovery tool is RecoveryCD.
3. The bare metal recovery system of the business system according to claim 1, wherein: the service machine further comprises a driver program implanted in a core layer of the service system, and the CDP disaster recovery client captures IO data changes through the driver program.
4. A bare computer recovery method of a service system is characterized in that: the method comprises the following steps:
step 1, deploying a disaster recovery server and carrying out initialization configuration on the disaster recovery server;
step 2, installing a CDP disaster recovery client in the service system, linking the CDP disaster recovery client to the disaster recovery server, and configuring a service disk at the CDP disaster recovery client;
step 3, data initial backup, the CDP disaster recovery client side initializes backup and scans all disk data in the service system according to the service disk configuration, and then synchronizes all data to the mirror disk in the disaster recovery server;
step 4, after the initial backup of the data is completed, a driver is implanted in a core layer of the business system, and the CDP disaster recovery client side captures the block-level IO data changes of the disk data in real time, stamps a timestamp and a generated serial number on the IO data, and sends the IO data to a CDP data storage module of the disaster recovery server;
step 5, the backup disk of the disaster recovery server generates a recovery system at any time point according to the CDP data storage module and the mirror disk data;
and 6, mounting the recovery system on a bare metal server through a bare metal recovery tool.
5. The bare metal recovery method of the business system according to claim 4, wherein: the information stored in the CDP data storage module is block-level IO data change, when a system fault occurs and data recovery is needed, any time point in the CDP data storage module can be selected, the time point comprises data change pointer information and a corresponding timestamp, and a backup disk with complete disaster recovery data can be generated by integrating the data change pointer, the IO data change sequence and snapshot data.
6. The bare metal recovery method of the business system according to claim 4, wherein: the bare computer recovery tool is a RecoveryCD, and the RecoveryCD can completely copy the data distribution of the whole backup disk into the bare computer server.
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| CN114584626A (en) * | 2022-03-07 | 2022-06-03 | 浪潮云信息技术股份公司 | Method and device for mixed cloud storage disaster tolerance |
| CN114610535A (en) * | 2022-02-21 | 2022-06-10 | 广州鼎甲计算机科技有限公司 | Linux operating system bare computer recovery method, system, device and storage medium |
| CN117112313A (en) * | 2023-10-23 | 2023-11-24 | 深圳市科力锐科技有限公司 | Service disaster tolerance switching method, device, equipment and storage medium |
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