CN107256184A - A kind of data disaster backup method and device based on storage pool - Google Patents
A kind of data disaster backup method and device based on storage pool Download PDFInfo
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- CN107256184A CN107256184A CN201710413623.5A CN201710413623A CN107256184A CN 107256184 A CN107256184 A CN 107256184A CN 201710413623 A CN201710413623 A CN 201710413623A CN 107256184 A CN107256184 A CN 107256184A
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- Prior art keywords
- backup
- storage pool
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- storage
- data
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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
Abstract
The invention discloses a kind of data disaster backup method based on storage pool, including set up the communication connection of each storage device and Disaster Preparation Center in cluster；The storage alternate device of Disaster Preparation Center divide obtaining multiple backup pools by the quantity according to the storage pool of each storage device；In units of storage pool, according to backup rules set in advance by the data duplication in each storage pool to corresponding backup pool.Divided according to the quantity of storage pool by alternate device is stored so that each backup pool one storage pool of correspondence, it is ensured that the data of same storage pool are not intersected with the data of other storage pools in transmitting procedure, improve the uniformity of data.As can be seen here, backed up in units of storage pool, simplify the operation that multiple storage volume are repeatedly replicated, the unified security that storage pool backup not only ensure that to data, moreover it is possible to ensure the uniformity of each storage volume.In addition, the present invention also provides a kind of data disaster back-up device based on storage pool, if as above.
Description
Technical field
The present invention relates to storage program area and calamity for technical field, more particularly to a kind of data calamity based on storage pool
Difficult backup method and device.
Background technology
Data disaster is backed up, and abbreviation data calamity is standby, refers to cause data to be lost to prevent operational error or the system failure
Lose, and by total system or partial data set, the process of other storage mediums is copied to from the hard disk or array of applied host machine.
Current data calamity is substantially the operation based on storage volume, such as remote copy, local replica, snapshot etc. for technology
Technology, passes through the backup to storage volume so that, can by the switching or recovery of backup even if catastrophic collapse occurs for master file
Enable the host to continuous firing, it is to avoid the expendable influence that disaster is brought.
But in the prior art, due to needing to carry out multi-pass operation to storage volume, process is very cumbersome, and can not ensure
Data consistency between each storage volume, so as to reduce the reliability of backup.
The content of the invention
It is an object of the invention to provide a kind of data disaster backup method and device based on storage pool, for ensureing respectively to deposit
Data consistency between storage volume, improves the reliability of data backup.
In order to solve the above technical problems, the present invention provides a kind of data disaster backup method based on storage pool, including：
Set up the communication connection of each storage device and Disaster Preparation Center in cluster；
Quantity according to the storage pool of each storage device is divided the storage alternate device of the Disaster Preparation Center
Obtain multiple backup pools；
In units of the storage pool, according to backup rules set in advance by the data duplication in each storage pool extremely
Corresponding backup pool.
Preferably, the backup rules are specially：Replicated according to the time on preset time table or according to queue
Order replicated.
Preferably, in addition to：
Obtain the spatial content of each storage pool；
Utilize the spatial content from each backup pool of simplifying mode dynamically distributes；
Wherein, the peak value of the spatial content of the backup pool is the spatial content of corresponding storage pool.
Preferably, in addition to：
When the cluster breaks down, the operation to former storage pool is switched into corresponding target backup pool, and start
Data recovery is operated；
After the completion of data recovery operation, the operation to the target backup pool is switched back into the former storage pool.
Preferably, the mode of the communication connection is telecommunication mode.
Preferably, the communication connection mode is especially by iSCSI or FC.
In order to solve the above technical problems, the present invention also provides a kind of data disaster back-up device based on storage pool, including：
Communication unit, the communication connection for setting up each storage device and Disaster Preparation Center in cluster；
Division unit, the quantity for the storage pool according to each storage device backs up the storage of the Disaster Preparation Center
Equipment divide obtaining multiple backup pools；
Backup units, in units of the storage pool, according to backup rules set in advance by each storage pool
In data duplication to corresponding backup pool.
Preferably, the backup rules are specially：Replicated according to the time on preset time table or according to queue
Order replicated.
Preferably, in addition to：
Acquiring unit, the spatial content for obtaining each storage pool；
Allocation unit, for utilizing the spatial content from each backup pool of simplifying mode dynamically distributes；
Wherein, the peak value of the spatial content of the backup pool is the spatial content of corresponding storage pool.
Preferably, in addition to：
Switch unit, for when the cluster breaks down, the operation to former storage pool to be switched into corresponding target
Backup pool, and log-on data recovery operation；
After the completion of data recovery operation, the operation to the target backup pool is switched back into the former storage pool.
Data disaster backup method provided by the present invention based on storage pool, including set up in cluster each storage device with
The communication connection of Disaster Preparation Center；Quantity according to the storage pool of each storage device is drawn the storage alternate device of Disaster Preparation Center
Get multiple backup pools；In units of storage pool, according to backup rules set in advance by the data duplication in each storage pool
To corresponding backup pool.Divided according to the quantity of storage pool by alternate device is stored so that each backup pool correspondence one
Individual storage pool, it is ensured that the data of same storage pool are not intersected with the data of other storage pools in transmitting procedure, improves number
According to uniformity.As can be seen here, backed up in units of storage pool, simplify the behaviour that multiple storage volume are repeatedly replicated
Make, the unified security that storage pool backup not only ensure that to data, moreover it is possible to ensure the uniformity of each storage volume.In addition,
The present invention also provides a kind of data disaster back-up device based on storage pool, if as above.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly, the required accompanying drawing used in embodiment will be done simply below
Introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill people
For member, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of the data disaster backup method based on storage pool provided in an embodiment of the present invention；
Fig. 2 is a kind of data disaster backup Organization Chart based on storage pool provided in an embodiment of the present invention；
Fig. 3 is a kind of structure chart of the data disaster back-up device based on storage pool provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are not under the premise of creative work is made, and what is obtained is every other
Embodiment, belongs to the scope of the present invention.
The core of the present invention is to provide a kind of data disaster backup method and device based on storage pool, for ensureing respectively to deposit
Data consistency between storage volume, improves the reliability of data backup.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1 is a kind of flow chart of the data disaster backup method based on storage pool provided in an embodiment of the present invention.Such as Fig. 1
Shown, the data disaster backup method based on storage pool includes：
S10：Set up the communication connection of each storage device and Disaster Preparation Center in cluster.
The present invention is used as Disaster Preparation Center by setting up independent a storage device or storage cluster, unified externally to provide calamity
Each storage device in standby memory space, each cluster has reliable and stable high-speed data interchange channel with Disaster Preparation Center, with
Ensure the transmission rate of data.
Preferably embodiment, the mode of communication connection is telecommunication mode.The preferred embodiment is by remotely leading to
Letter mode can not be limited by area of space, and flexibility is higher., can be with it is to be understood that except telecommunication mode
It is other communication modes on the spot, aforesaid way is a kind of preferably mode, does not represent and there was only a kind of this mode.
Moreover it is preferred that communication connection mode is especially by iSCSI or FC.It is to be understood that two kinds of communications here
Mode is a kind of specific application scenarios, does not represent and there was only both modes.
S11：Quantity according to the storage pool of each storage device is divided the storage alternate device of Disaster Preparation Center
Multiple backup pools.
In order to ensure data syn-chronization, and the problem of avoid the occurrence of data cross and bring, in the present invention, a Disaster Preparation Center
The multiple storage devices of correspondence, i.e., have a storage alternate device corresponding with multiple storage devices in Disaster Preparation Center, and storage backup
Equipment is divided into multiple backup pools, and each backup pool is corresponded with each storage pool.
Fig. 2 is a kind of data disaster backup Organization Chart based on storage pool provided in an embodiment of the present invention.As shown in Fig. 2
Include 4 storage devices in cluster, be storage device 0, storage device 1, storage device 2 and storage device 3 respectively.Wherein,
Include two storage pools in storage device 0, be to include 1 storage pool in Pool0 and Pool1, storage device 1 respectively, be
Include 1 storage pool in Pool2, storage device 2, be to include 2 storage pools in Pool3, storage device 3, be respectively
Pool4 and Pool5.Each storage pool has unique corresponding backup pool, as shown in Fig. 2 Pool0 is corresponding with Pool0-B,
Pool1 is corresponding with Pool1-B, and Pool2 is corresponding with Pool2-B, and Pool3 is corresponding with Pool3-B, and Pool4 is corresponding with Pool4-B,
Pool5 is corresponding with Pool5-B.
S12：In units of storage pool, according to backup rules set in advance by the data duplication in each storage pool to correspondingly
Backup pool.
In backup procedure, the present invention carries out the duplication of data in units of storage pool, rather than uses storage volume, so
The data that ensure that each storage pool be it is complete, in the absence of data it is inconsistent the problem of.
Preferably embodiment, backup rules are specially：Replicated according to the time on preset time table or
Replicated according to the order of queue.
, it is necessary to set a timing for each storage pool for the former, by timing copy mode, regularly enter
The synchronization of row data, it is ensured that the backup pool in the data and Disaster Preparation Center of storage pool is consistent.It is understood that to ensure
Each storage device and the duplication high efficiency of Disaster Preparation Center, can synchronization only one of which replicate operation, it is to avoid parallel work-flow.
For which, it is necessary to which being set to each storage pool sets a queue, the order of queue can be according to actual feelings
Depending on condition, for example, idle storage device is arranged in head of the queue, then when the storage device is idle, data syn-chronization can be carried out, its
Its queue sequence the present embodiment is repeated no more.
Using queue mode, the duplication of a storage pool is only carried out every time, it is ensured that efficiently quick, it is to avoid while multiple tasks
Poorly efficient and reproduction process in data receive damage, Backup Data lose situation.
The data disaster backup method based on storage pool that the present embodiment is provided, initially set up in cluster each storage device with
The communication connection of Disaster Preparation Center；Then divided according to the quantity of storage pool by alternate device is stored so that each backup
Pond one storage pool of correspondence, it is ensured that the data of same storage pool are not handed over the data of other storage pools in transmitting procedure
Fork, improves the uniformity of data.Finally, will be each in units of storage pool according to the communication network and corresponding relation pre-established
Data duplication in storage pool is into corresponding backup pool.As can be seen here, backed up, simplified multiple in units of storage pool
The operation that storage volume is repeatedly replicated, the unified security that storage pool backup not only ensure that to data, moreover it is possible to ensure each
The uniformity of individual storage volume.
On the basis of above-described embodiment, preferably embodiment, in addition to：
Obtain the spatial content of each storage pool；
Utilize the spatial content from each backup pool of simplifying mode dynamically distributes；
Wherein, the peak value of the spatial content of backup pool is the spatial content of corresponding storage pool.
It is understood that in addition to the two steps, other steps are same as the previously described embodiments, will not be repeated here.
Used in Disaster Preparation Center from simplifying mode, the size of data that can be in current storage pool carries out point of backup pool space
Match somebody with somebody, so as to effectively save the space of each backup pool, also just reduce the requirement to the memory space of Disaster Preparation Center.
For example, the capacity of the current data of a storage pool is 1G, as long as then that the spatial content of corresponding backup pool is big
In 1G, such as 2G, with the operation of system, the capacity of the current data of the storage pool is 4G, then again by the backup pool
Spatial content increase, such as 5G.But, the capacity of the peak value of the spatial content of the backup pool not superelevation storage pool.
By from simplifying mode, can largely reduce the space hold of Disaster Preparation Center, the utilization rate in space is improved, reduction is deposited
Storage spending.
On the basis of above-described embodiment, preferably embodiment, in addition to：
When cluster breaks down, the operation to former storage pool is switched into corresponding target backup pool, and log-on data
Recovery operation；
After the completion of data recovery operation, the operation to target backup pool is switched back into former storage pool.
It is understood that in addition to the two steps, other steps are same as the previously described embodiments, will not be repeated here.
After storage pool is destroyed, can by failover by storage pool (being here former storage pool to distinguish) be switched to calamity it is standby in
In backup pool (being here target storage pool to distinguish) in the heart, while carrying out data recovery, i.e., by the data in backup pool
Return in former storage pool.
During again, it is still in units of storage pool and carries out data recovery, directly switch storage pool, it is to avoid repeatedly
To the mian engine changeover of storage volume, complex operation degree is reduced so that the speed of failover faster, influences the time of main frame operation
Also it is just shorter.
After the data in target storage pool are restored in former storage pool, that is, after the operation for completing data recovery, then will
Mian engine changeover is into former storage pool, and continuation is operated in a normal way.
Embodiment above for the data disaster backup method based on storage pool is described in detail, and the present invention is also
A kind of data disaster back-up device based on storage pool corresponding with this method is provided.Due to the embodiment and method of device part
Partial embodiment mutually correspond to, therefore device part embodiment refer to method part embodiment description, here temporarily
Do not repeat.
Fig. 3 is a kind of structure chart of the data disaster back-up device based on storage pool provided in an embodiment of the present invention.Such as Fig. 3
It is shown, including：
Communication unit 10, the communication connection for setting up each storage device and Disaster Preparation Center in cluster；
Division unit 11, the quantity for the storage pool according to each storage device enters the storage alternate device of Disaster Preparation Center
Row division obtains multiple backup pools；
Backup units 12, in units of storage pool, according to backup rules set in advance by the number in each storage pool
According to being copied to corresponding backup pool.
The data disaster back-up device based on storage pool that the present embodiment is provided, initially set up in cluster each storage device with
The communication connection of Disaster Preparation Center；Then divided according to the quantity of storage pool by alternate device is stored so that each backup
Pond one storage pool of correspondence, it is ensured that the data of same storage pool are not handed over the data of other storage pools in transmitting procedure
Fork, improves the uniformity of data.Finally, will be each in units of storage pool according to the communication network and corresponding relation pre-established
Data duplication in storage pool is into corresponding backup pool.As can be seen here, backed up, simplified multiple in units of storage pool
The operation that storage volume is repeatedly replicated, the unified security that storage pool backup not only ensure that to data, moreover it is possible to ensure each
The uniformity of individual storage volume.
Preferably embodiment, backup rules are specially：Replicated according to the time on preset time table or
Replicated according to the order of queue.
Preferably embodiment, in addition to：
Acquiring unit, the spatial content for obtaining each storage pool；
Allocation unit, for utilizing the spatial content from each backup pool of simplifying mode dynamically distributes；
Wherein, the peak value of the spatial content of backup pool is the spatial content of corresponding storage pool.
Preferably embodiment, in addition to：
Switch unit, for when cluster breaking down, the operation to former storage pool being switched into corresponding target and backed up
Pond, and log-on data recovery operation；
After the completion of data recovery operation, the operation to target backup pool is switched back into former storage pool.
The data disaster backup method provided by the present invention based on storage pool and device are described in detail above.
The embodiment of each in specification is described by the way of progressive, what each embodiment was stressed be with other embodiment not
Between same part, each embodiment identical similar portion mutually referring to.For device disclosed in embodiment, due to it
Correspond to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration.Should
Point out, for those skilled in the art, under the premise without departing from the principles of the invention, can also be to this hair
Bright to carry out some improvement and modification, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
It should also be noted that, in this manual, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include that
A little key elements, but also other key elements including being not expressly set out, or also include be this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except also there is other identical element in the process including the key element, method, article or equipment.
Claims (10)
1. a kind of data disaster backup method based on storage pool, it is characterised in that including：
Set up the communication connection of each storage device and Disaster Preparation Center in cluster；
Quantity according to the storage pool of each storage device is divided the storage alternate device of the Disaster Preparation Center
Multiple backup pools；
In units of the storage pool, according to backup rules set in advance by the data duplication in each storage pool to correspondingly
Backup pool.
2. the data disaster backup method according to claim 1 based on storage pool, it is characterised in that the backup rules
Specially：Replicated or replicated according to the order of queue according to the time on preset time table.
3. the data disaster backup method according to claim 1 based on storage pool, it is characterised in that also include：
Obtain the spatial content of each storage pool；
Utilize the spatial content from each backup pool of simplifying mode dynamically distributes；
Wherein, the peak value of the spatial content of the backup pool is the spatial content of corresponding storage pool.
4. the data disaster backup method according to claim 1 based on storage pool, it is characterised in that also include：
When the cluster breaks down, the operation to former storage pool is switched into corresponding target backup pool, and log-on data
Recovery operation；
After the completion of data recovery operation, the operation to the target backup pool is switched back into the former storage pool.
5. the data disaster backup method based on storage pool according to claim 1-4 any one, it is characterised in that institute
The mode for stating communication connection is telecommunication mode.
6. the data disaster backup method according to claim 5 based on storage pool, it is characterised in that the communication connection
Mode is especially by iSCSI or FC.
7. a kind of data disaster back-up device based on storage pool, it is characterised in that including：
Communication unit, the communication connection for setting up each storage device and Disaster Preparation Center in cluster；
Division unit, the quantity for the storage pool according to each storage device is by the storage alternate device of the Disaster Preparation Center
Progress, which is divided, obtains multiple backup pools；
Backup units, in units of the storage pool, according to backup rules set in advance by each storage pool
Data duplication is to corresponding backup pool.
8. the data disaster back-up device according to claim 7 based on storage pool, it is characterised in that the backup rules
Specially：Replicated or replicated according to the order of queue according to the time on preset time table.
9. the data disaster back-up device according to claim 7 based on storage pool, it is characterised in that also include：
Acquiring unit, the spatial content for obtaining each storage pool；
Allocation unit, for utilizing the spatial content from each backup pool of simplifying mode dynamically distributes；
Wherein, the peak value of the spatial content of the backup pool is the spatial content of corresponding storage pool.
10. the data disaster back-up device according to claim 7 based on storage pool, it is characterised in that also include：
Switch unit, for when the cluster breaking down, the operation to former storage pool being switched into corresponding target and backed up
Pond, and log-on data recovery operation；
After the completion of data recovery operation, the operation to the target backup pool is switched back into the former storage pool.
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| CN201710413623.5A CN107256184A (en) | 2017-06-05 | 2017-06-05 | A kind of data disaster backup method and device based on storage pool |
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| CN201710413623.5A CN107256184A (en) | 2017-06-05 | 2017-06-05 | A kind of data disaster backup method and device based on storage pool |
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| CN109933463A (en) * | 2019-02-28 | 2019-06-25 | 苏州浪潮智能科技有限公司 | A kind of data back up method and system based on storage and backup system medium pool |
| CN110908723A (en) * | 2019-11-29 | 2020-03-24 | 新华三大数据技术有限公司 | Main/standby switching method and device of operating system and related equipment |
| CN113434340A (en) * | 2021-06-29 | 2021-09-24 | 聚好看科技股份有限公司 | Server and cache cluster fault rapid recovery method |
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| CN113434340B (en) * | 2021-06-29 | 2022-11-25 | 聚好看科技股份有限公司 | Server and cache cluster fault rapid recovery method |
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Application publication date: 20171017 |