CN109669812A - Cloud data center disaster tolerance system and method based on data distribution backup - Google Patents
Cloud data center disaster tolerance system and method based on data distribution backup Download PDFInfo
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- CN109669812A CN109669812A CN201811427217.5A CN201811427217A CN109669812A CN 109669812 A CN109669812 A CN 109669812A CN 201811427217 A CN201811427217 A CN 201811427217A CN 109669812 A CN109669812 A CN 109669812A
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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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
- G06F11/1464—Management of the backup or restore process for networked environments
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
- G06F11/1469—Backup restoration techniques
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/45595—Network integration; Enabling network access in virtual machine instances
Abstract
The invention discloses a kind of cloud data center disaster tolerance systems and method based on data distribution backup, it is related to the data backup and resume field of cloud data, this method includes primary data center and standby data center, the primary data center includes the first host equipment and the first storage equipment, first host equipment is used for storage service data for being stored with management data, the first storage equipment；The standby data center includes the second host equipment and the second storage equipment；Wherein, it is connected between first host equipment and the second host equipment by lan management network, the first storage equipment is connected with the second storage equipment room by optical fiber.The management data are virtual machine configuration information comprising volume information, the network information and virtual machine information；The business datum is virtual hard disk data, and the virtual hard disk data are LUN data corresponding to virtual machine volume.The present invention can reduce the data backup synchronous time restored with data.
Description
Technical field
The present invention relates to the data backup and resume fields of cloud data, and in particular to a kind of cloud based on data distribution backup
Data centre disaster recovery system and method.
Background technique
When building cloud data center, generally require to carry out disaster recovery backup to data center, in case because disaster causes to count
According to centre data loss and service disruption, immeasurable loss is caused.Existing cloud data center, generally will use and is mounted on
Backup software and agency on host manage network based on LAN (Local Area Network, local area network), by data copy
To long-range data center backup, restored again after loss of data occurs for data center, specifically by primary data center
Data creating snapshot, and it is packaged compression, by lan management net, on telecopy to standby data center's storage, when disaster occurs,
Again in such a way that snapshot decompression merges, restore data in standby data center.Due to being by lan management network, data transmission
Bandwidth-Constrained system, and normal management network bandwidth can be occupied, while data link is longer, data need to be from when data backup
The storage equipment at main center, the main central store network of approach are arrived to main central host, then by the lan management network at active and standby center
Standby central storage device is reached up to standby central host, then by standby central store network, therefore copying speed is slow, time delay is big, disaster
Recovery RPO (Recovery Point Objective, restore concerning point target) and RTO (Recovery Time Objective,
Recovery time target) all can be larger, for the disaster tolerance scene of delay requirement very little, it is difficult to meet.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of clouds based on data distribution backup
Data centre disaster recovery system can reduce the data backup synchronous time restored with data.
To achieve the above objectives, the technical solution adopted by the present invention is that, comprising:
Primary data center, the primary data center include the first host equipment and the first storage equipment, first host
Equipment is used for storage service data for being stored with management data, the first storage equipment；
Standby data center, the standby data center include the second host equipment and the second storage equipment；
Wherein, it is connected between first host equipment and the second host equipment by lan management network, the first storage equipment
It is connected with the second storage equipment room by optical fiber.
Based on the above technical solution,
The management data are virtual machine configuration information comprising volume information, the network information and virtual machine information；
The business datum is virtual hard disk data, and the virtual hard disk data are LUN corresponding to virtual machine volume
Data.
Based on the above technical solution,
By lan management network by the management data periodic synchronous stored on the first host equipment to the second host equipment
In；
The business datum periodic synchronous stored in equipment is stored into the second storage equipment by first by optical fiber；
The synchronizing cycle that data are managed between first host equipment and the second host equipment, with the first storage equipment and the
The synchronizing cycle of two storage equipment room business datums is identical.
Based on the above technical solution, agency's clothes are deployed on first host equipment and the second host equipment
Business device, the management data periodic synchronous that the proxy server is used to store on the first host equipment to the second host equipment
In.
Based on the above technical solution, creation has data in first host equipment and the second host equipment
Library, the database in first host equipment are used to store the management data on the first host equipment, and second host is set
Database in standby is for storing the business datum that the first host equipment is synchronized.
Based on the above technical solution, the synchronous management number of received first host equipment of the standby data center
According to and the synchronous business datum of the first host equipment, and based on received management data and business datum creation virtual machine.
The present invention also provides a kind of cloud data center disaster recovery methods based on data distribution backup, based on cloud described above
Data centre disaster recovery system, including data are synchronous and data are restored；
The data, which synchronize, includes:
Primary data center is logged in, the connection between primary data center and standby data center, log-on data synchronous task are established；
By the management data periodic synchronous stored on the first host equipment into the second host equipment；
First is stored the business datum periodic synchronous stored in equipment into the second storage equipment；
The data are restored
Standby data center is logged in, log-on data replys task；
According to the synchronous business datum of the synchronous management data of the first host equipment and the first storage equipment, in standby number
According to rebuilding virtual machine in center.
Based on the above technical solution,
The management data are virtual machine configuration information comprising volume information, the network information and virtual machine information；
The business datum is virtual hard disk data, and the virtual hard disk data are LUN corresponding to virtual machine volume
Data.
It is based on the above technical solution, described to rebuild virtual machine in standby data center, specifically: believed according to volume
LUN data corresponding to breath, the network information, virtual machine information and virtual machine volume rebuild virtual machine.
Based on the above technical solution, after rebuilding virtual machine in standby data center, standby data center is taken over
The business of primary data center completes recovery of the business of primary data center in standby data center.
Compared with the prior art, the advantages of the present invention are as follows: by the way that the management number of virtual office will be formed in cloud data center
It is backed up according to business datum shunting, creation virtual machine is then merged in standby data center, be no bandwidth bottle in synchronizing process
Neck limitation, is also preferably minimized the influence of existing network；The business datum in equipment is stored, is not needed using storage to master
Machine, master host to standby host, the very long link of standby host to storage, but by point-to-point directly multiple between bottom storage
Data duplication is rapidly completed in system, and reduction is backed up the time that synchronous and data are restored, meanwhile, the volume of primary data center management data,
Network, virtual machine configuration change, also can be by management Network Synchronization to standby center, and automatically update virtual machine configuration letter
Breath.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the cloud data center disaster tolerance system based on data distribution backup in the embodiment of the present invention
Figure.
Specific embodiment
The embodiment of the present invention provides a kind of cloud data center disaster tolerance system based on data distribution backup, by by cloud data
The management data and business datum of composition virtual machine carry out shunting backup by different routes in center, and network bandwidth is avoided to limit
Influence to backup timeliness, the embodiment of the present invention have also correspondingly provided the cloud data center disaster tolerance side based on data distribution backup
Method.
Shown in Figure 1, the embodiment of the present invention provides a kind of cloud data center disaster tolerance system based on data distribution backup
An embodiment are as follows:
The cloud data center disaster tolerance system of the embodiment of the present invention includes primary data center and standby data center, primary data center
Including the first host equipment and the first storage equipment, standby data center includes the second host equipment and the second storage equipment.
First host equipment is virtual machine configuration information for being stored with management data, management data comprising volume information,
The characteristics of network information and virtual machine information, management data is that Large data types are not structural data to data volume.Business datum
For virtual hard disk data, virtual hard disk data are LUN (Logical Unit Number, logic corresponding to virtual machine volume
Unit number) data, the characteristics of business datum is that data volume is larger, and general piecemeal storage is on a storage device.
It is connected between first host equipment and the second host equipment by lan management network, the first storage equipment and second is deposited
Equipment room is stored up to be connected by optical fiber.The management data periodic synchronous that will be stored on the first host equipment by lan management network
Into the second host equipment；The business datum periodic synchronous stored in equipment to the second storage is stored by first by optical fiber to set
In standby.The synchronizing cycle that data are managed between first host equipment and the second host equipment, with the first storage equipment and the second storage
The synchronizing cycle of equipment room business datum is identical.The transmission bandwidth of lan management network is gigabit, and the transmission bandwidth of optical fiber is ten thousand
Million.
In the embodiment of the present invention, for management data and the two kinds of data of business datum, using two different standby
Part method of synchronization since the data volume of management data is less, therefore carries out transmission synchronization using lan management network, to management network
Bandwidth almost without influence；For business datum, the remote copy of storage equipment is utilized since such Data Data amount is larger, the
One storage equipment is connected with the second storage equipment room by 10,000,000,000 optical fiber, and the copy synchronization bandwidth demand of mass data is met.
The cloud data center disaster tolerance system based on data distribution backup of the embodiment of the present invention, by will be in cloud data center
The management data and business datum for forming virtual office shunt backup, and creation virtual machine is then merged in standby data center, synchronous
In the process it is no bandwidth bottleneck limitation, also the influence of existing network is preferably minimized；The business datum in equipment is stored, is not required to
Host, master host to standby host, the very long link of standby host to storage are arrived using storage, but by between bottom storage
Point-to-point direct duplication, data duplication is rapidly completed, reduces the time that backup is synchronous and data are restored, meanwhile, in master data
The heart management volume of data, network, virtual machine configuration change, and standby center can be also arrived by management Network Synchronization, and automatically
Update virtual machine configuration information.
Optionally, provided in an embodiment of the present invention a kind of based on data point on the basis of above-mentioned Fig. 1 corresponding embodiment
In first alternative embodiment for flowing the cloud data center disaster tolerance system of backup, on the first host equipment and the second host equipment
It is deployed with proxy server, the management data periodic synchronous that proxy server is used to store on the first host equipment to second
In host equipment.Creation has database, the database in the first host equipment in first host equipment and the second host equipment
For storing the management data on the first host equipment, the database in the second host equipment is for storing the first host equipment institute
Synchronous business datum.Standby received first host equipment of data center synchronous management data and the first host equipment are same
The business datum of step, and virtual machine is created based on received management data and business datum.
The cloud data center disaster tolerance system based on data distribution backup of the embodiment of the present invention, since bottom data is to pass through
It stores equipment and remotely directly replicates generation, therefore the decompression and merging process of snapshot is not present；According to different data feature, number
Gigabit management network is walked according to less management data are measured, the biggish business datum of data volume is walked 10,000,000,000 storage networks, made full use of
Network bandwidth, while network bottleneck problem being not present again；Managing network, there is no mass data to copy task, therefore will not
Occupy too many management network bandwidth；Storing data directly passes through the remote copy that storage equipment realizes LAN Free backup, without
It needs by very long data link；It stores equipment telecopy and supports incremental replication, therefore reduce the data copied every time
Amount, RPO can accomplish smaller；Due to using the synchronous volume information of mode of database synchronization, before disaster generation, in standby data
The volume of center station point has just completed roll recovery, decompresses and merges without snapshot, does not also need to receive the process of pipe volume, therefore in calamity
When hardly possible occurs, quick-recovery virtual machine, adapter tube business RTO can be substantially reduced fastly；Main center volume, network, virtual machine update
Afterwards, manual modification configuration can not be needed, while matching using volume, network, the virtual machine being collected on automatic synchronization to standby center
Confidence breath, automatically creates virtual machine in batches, and non-pre-published manual creation virtual machine.
The embodiment of the present invention also provides a kind of cloud data center disaster recovery method based on data distribution backup, is based on above-mentioned institute
The cloud data center disaster tolerance system stated, including data are synchronous and data are restored.
Data, which synchronize, includes:
S1: logging in primary data center, establishes the connection between primary data center and standby data center, and log-on data is synchronous to appoint
Business；
S2: by the management data periodic synchronous stored on the first host equipment into the second host equipment；
S3: first is stored the business datum periodic synchronous stored in equipment into the second storage equipment.
Data are restored
A: logging in standby data center, and log-on data replys task.When disaster occurs for primary data center, primary data center meeting
Powered off in a flash, the disconnecting between primary data center and standby data center, at the same the business of primary data center also can in
It is disconnected.
B: according to the synchronous business datum of the synchronous management data of the first host equipment and the first storage equipment, standby
Virtual machine is rebuild in data center.
Optionally, the first optional embodiment party of above-mentioned a kind of cloud data center disaster recovery method based on data distribution backup
In formula, management data are virtual machine configuration information comprising volume information, the network information and virtual machine information, business datum are void
Quasi- machine hard disc data, the virtual hard disk data are LUN data corresponding to virtual machine volume.
Virtual machine is rebuild in standby data center, specifically: according to volume information, the network information, virtual machine information and virtual
The corresponding LUN data of machine volume, rebuild virtual machine.After rebuilding virtual machine in standby data center, standby data center is taken over
The business of primary data center completes recovery of the business of primary data center in standby data center.
The cloud data center disaster recovery method based on data distribution backup of the embodiment of the present invention, by will be in cloud data center
The management data and business datum for forming virtual office shunt backup, and creation virtual machine is then merged in standby data center, synchronous
In the process it is no bandwidth bottleneck limitation, also the influence of existing network is preferably minimized；The business datum in equipment is stored, is not required to
Host, master host to standby host, the very long link of standby host to storage are arrived using storage, but by between bottom storage
Point-to-point direct duplication, data duplication is rapidly completed, reduces the time that backup is synchronous and data are restored, meanwhile, in master data
The heart management volume of data, network, virtual machine configuration change, and standby center can be also arrived by management Network Synchronization, and automatically
Update virtual machine configuration information.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of cloud data center disaster tolerance system based on data distribution backup characterized by comprising
Primary data center, the primary data center include the first host equipment and the first storage equipment, first host equipment
For being stored with management data, the first storage equipment is used for storage service data；
Standby data center, the standby data center include the second host equipment and the second storage equipment；
Wherein, it is connected between first host equipment and the second host equipment by lan management network, the first storage equipment and the
Two storage equipment rooms are connected by optical fiber.
2. a kind of cloud data center disaster tolerance system based on data distribution backup as described in claim 1, it is characterised in that:
The management data are virtual machine configuration information comprising volume information, the network information and virtual machine information；
The business datum is virtual hard disk data, and the virtual hard disk data are LUN data corresponding to virtual machine volume.
3. a kind of cloud data center disaster tolerance system based on data distribution backup as claimed in claim 2, it is characterised in that:
By lan management network by the management data periodic synchronous stored on the first host equipment into the second host equipment；
The business datum periodic synchronous stored in equipment is stored into the second storage equipment by first by optical fiber；
It is deposited with the first storage equipment and second synchronizing cycle that data are managed between first host equipment and the second host equipment
The synchronizing cycle for storing up equipment room business datum is identical.
4. a kind of cloud data center disaster tolerance system based on data distribution backup as claimed in claim 3, it is characterised in that: institute
It states and is deployed with proxy server on the first host equipment and the second host equipment, the proxy server is used for the first host
The management data periodic synchronous stored in equipment is into the second host equipment.
5. a kind of cloud data center disaster tolerance system based on data distribution backup as claimed in claim 3, it is characterised in that: institute
It states to create in the first host equipment and the second host equipment and has database, the database in first host equipment is for depositing
The management data on the first host equipment are stored up, the database in second host equipment is same for storing the first host equipment institute
The business datum of step.
6. a kind of cloud data center disaster tolerance system based on data distribution backup as claimed in claim 3, it is characterised in that: institute
The synchronous business datum of standby received first host equipment of data center synchronous management data and the first host equipment is stated,
And virtual machine is created based on received management data and business datum.
7. a kind of cloud data center disaster recovery method based on data distribution backup, is based on cloud data center described in claim 1
Disaster tolerance system, which is characterized in that restore including data synchronization and data；
The data, which synchronize, includes:
Primary data center is logged in, the connection between primary data center and standby data center, log-on data synchronous task are established；
By the management data periodic synchronous stored on the first host equipment into the second host equipment；
First is stored the business datum periodic synchronous stored in equipment into the second storage equipment；
The data are restored
Standby data center is logged in, log-on data replys task；
According to the synchronous business datum of the synchronous management data of the first host equipment and the first storage equipment, in standby data
Virtual machine is rebuild in the heart.
8. a kind of cloud data center disaster recovery method based on data distribution backup as claimed in claim 7, it is characterised in that:
The management data are virtual machine configuration information comprising volume information, the network information and virtual machine information；
The business datum is virtual hard disk data, and the virtual hard disk data are LUN data corresponding to virtual machine volume.
9. a kind of cloud data center disaster recovery method based on data distribution backup as claimed in claim 8, it is characterised in that: institute
It states and rebuilds virtual machine in standby data center, specifically: according to volume information, the network information, virtual machine information and virtual machine volume institute
Corresponding LUN data rebuild virtual machine.
10. a kind of cloud data center disaster recovery method based on data distribution backup as claimed in claim 9, it is characterised in that:
After rebuilding virtual machine in standby data center, the business of standby data center's adapter tube primary data center completes primary data center
Recovery of the business in standby data center.
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| CN113821300A (en) * | 2021-08-26 | 2021-12-21 | 济南浪潮数据技术有限公司 | Virtual machine management method and related device |
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Application publication date: 20190423 |