CN105095111A - Method for improving safety of storage virtualization and storage virtualization device - Google Patents
Method for improving safety of storage virtualization and storage virtualization device Download PDFInfo
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- CN105095111A CN105095111A CN201510424928.7A CN201510424928A CN105095111A CN 105095111 A CN105095111 A CN 105095111A CN 201510424928 A CN201510424928 A CN 201510424928A CN 105095111 A CN105095111 A CN 105095111A
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Abstract
The invention discloses a method for improving safety of storage virtualization and a storage virtualization device. The method comprises following steps: creating logic storage units corresponding to storage devices when the storage devices are virtualized; carrying out storage management on the storage devices by means of the corresponding logic storage units; and recording operation during storage management in order to obtain historical records for operation of the storage devices and adopting historical records for operation of the storage devices for recovery of virtualization when data of the storage devices is unreachable in case of storage virtualization failure. The method for improving safety of storage virtualization and the storage virtualization device have following beneficial effects: advantages of the virtualization device can be preserved; the management flow process is simplified; management cost is deceased; safety of the virtualization device is effectively improved; risk is reduced; and data safety is ensured.
Description
Technical field
The present invention relates to storage virtualization technology, espespecially a kind of method and memory virtual equipment improving Storage Virtualization security.
Background technology
Along with the dependence of enterprise to ecommerce, multimedia, Email and data mining is increasing and the increasingly stringent of supervision regulation, data are becoming one of most important wealth of enterprise, and any a company all can not adopt a casual attitude.Data are once lose, and what enterprise lost will be not only wealth at the moment, may be more following development opportunities.So the requirement of operation system to memory capacity is increasing, although the hardware price of every bytes store is in reduction, the cost of management constantly rises.Therefore along with the increase of capacity and equipment, enterprise also may be faced with more stern challenge in storage administration:
(1) memory device is often from the storage system of different supplier, how could realize the phenomenon that the integration to isomery storage environment, management also solve " SAN isolated island " in enterprise storage system effectively;
(2) enterprise does not wish, when each expansion disk size, all will be forced to the license buying copy service;
(3) how the memory capacity day by day increased is managed when not increasing personnel or operation cost;
(4) how to improve the service efficiency of memory device further thus utilize the existing storage resources of enterprise fully;
(5) how seamless expansion is realized with the demand of satisfied application to memory capacity;
(6) how to realize " greenization ", reduce the energy consumption of storage system.
And memory virtual equipment effectively can solve these problems above-mentioned, under virtual memory environment, no matter back-end physical storage is any equipment, the logical image of what server and application system thereof were seen is all its physical equipment.Even if physical store changes, this logical image also can not change, system manager need not be concerned about that rear end stores again, only need be absorbed in managed storage space, all storage management operations, such as system upgrade, foundation and distribution virtual disk, change RAID (disk array) rank, expansion storage space etc. are all many than being easy in the past, and storage administration becomes easily simple.Under virtual memory environment, store and will become transparent concerning user, how user can be concerned about the function difference of memory device, amount of capacity, device type and manufacturer, and all equipment by unified management, and will give unified function.
If but the situation breaking down for virtualized equipment, damage, the data in the storage be so virtualized just cannot be used and be accessed, even if the machine more renewed, are also difficult to recover; If the virtual equipment more renewed in addition, can only re-start virtualization operations, data before also cannot use.For enterprise, data are vital, can not lose, damage.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of method and the memory virtual equipment that improve Storage Virtualization security, the risk of memory virtual equipment can be reduced, be conducive to the safety of data.
In order to reach the object of the invention, the invention provides a kind of method improving Storage Virtualization security, comprising:
When carrying out virtual to memory device, for described memory device creates corresponding logic storage unit;
By the logic storage unit of correspondence, storage management operations is carried out to described memory device;
When carrying out storage management operations, record is carried out to carried out operation, obtain the operation historical record of described memory device, when Storage Virtualization fault cannot access the data on described memory device, adopt the operation historical record of described memory device to carry out virtualized recovery.
Further, described method also comprises:
After creating corresponding logic storage unit for described memory device, also for this logic storage unit arranges identifier;
After the operation historical record obtaining described memory device, also with the identifier of logic storage unit corresponding to described memory device for operation historical record preserved in index.
Further, the operation historical record of the described memory device of described employing carries out virtualized recovery, comprising:
With the operation historical record of identifier described memory device for index reads out of logic storage unit corresponding to described memory device;
Use the operation historical record read to carry out recovery operation, or the operation historical record of reading is imported in new virtual equipment carry out recovery operation.
Further, described method also comprises:
When removing the management to described memory device, the operation historical record of described memory device is deleted.
Further, described method also comprises:
When carrying out storage management operations, also in described logic storage unit, preserve operation information.
Further, a kind of memory virtual equipment, comprising: virtualization modules, memory management module, operation note module and operation recovery module, wherein:
Described virtualization modules, for when carrying out virtual to memory device, is that described memory device creates corresponding logic storage unit in described memory management module; And by corresponding logic storage unit, storage management operations is carried out to described memory device;
Described operation note module, for when described virtualization modules carries out storage management operations, carries out record to carried out operation, obtains the operation historical record of described memory device;
Described operation recovery module, for when Storage Virtualization fault cannot access the data on described memory device, adopts the operation historical record of described memory device to carry out virtualized recovery.
Further, described virtualization modules, also for after creating corresponding logic storage unit for described memory device, also for this logic storage unit arranges identifier;
Described operation note module, also for after the operation historical record obtaining described memory device, with the identifier of logic storage unit corresponding to described memory device for operation historical record preserved in index.
Further, described operation recovery module adopts the operation historical record of described memory device to carry out virtualized recovery, comprising:
With the operation historical record of identifier described memory device for index reads out of logic storage unit corresponding to described memory device;
Use the operation historical record read to carry out recovery operation, or the operation historical record of reading is imported in new virtual equipment carry out recovery operation.
Further, described operation note module, also for when removing the management to described memory device, deletes the operation historical record of described memory device.
Further, described virtualization modules, also for when carrying out storage management operations, preserves operation information in described logic storage unit.
Compared with prior art, present invention resides in when carrying out virtual to memory device, is that described memory device creates corresponding logic storage unit; By the logic storage unit of correspondence, storage management operations is carried out to described memory device; When carrying out storage management operations, record is carried out to carried out operation, obtain the operation historical record of described memory device, when Storage Virtualization fault cannot access the data on described memory device, adopt the operation historical record of described memory device to carry out virtualized recovery.The present invention can not only retain the advantage of virtual equipment, streamlining management flow process, reduces handling cost, and effectively can improve the security of virtual equipment, reduces risk, ensures the security of data.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing is used to provide the further understanding to technical solution of the present invention, and forms a part for instructions, is used from and explains technical scheme of the present invention, do not form the restriction to technical solution of the present invention with the embodiment one of the application.
Fig. 1 is the process flow diagram of the method for raising Storage Virtualization of the present invention security;
Fig. 2 is the Organization Chart of memory virtual equipment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Can perform in the computer system of such as one group of computer executable instructions in the step shown in the process flow diagram of accompanying drawing.Further, although show logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
The equipment that memory virtual equipment stores as a kind of unified management different vendor, can effectively streamlining management flow process, reduces handling cost, and better increases work efficiency.But the storage of virtual equipment management is more, and risk is also larger, when virtual equipment damages, the storage managed is carried out on whole backstage, although data wherein are not lost, but self do not carry out reading by storing and use, such risk is very large.In order to reduce this risk, the security of memory virtual equipment must be improved.In the present invention when carrying out virtual to the storage of every money difference, the command operation that record is relevant, and preserve.When virtual equipment damages, replace new equipment, can command record be imported, make equipment run related command, generate the state in used equipment.
As shown in Figure 1, the method for raising Storage Virtualization of the present invention security, comprising:
Step 100: when carrying out virtual to memory device, for memory device creates corresponding logic storage unit;
Be virtualized equipment adapter at certain memory device, virtual equipment can carry out command operation, management.In administration interface, when needs carry out virtual to certain memory device, create new logic storage unit, logic storage unit and memory device one_to_one corresponding.
After creating corresponding logical block for memory device, also for logic storage unit arranges identifier, identifier needs unique.The identifier of logic storage unit is also the title of logic storage unit.
Step 101: storage management operations is carried out to memory device by the logic storage unit of correspondence;
Administration interface can be set up memory device and distribute virtual disk, change RAID rank and expand the storage management operations such as storage space.
Step 102: when carrying out storage management operations, carries out record to carried out operation, obtains the operation historical record of memory device;
When carrying out storage management operations, recording corresponding operational order, obtaining the operation historical record of memory device.After obtaining the operation historical record of memory device, also with the identifier of logic storage unit corresponding to memory device for operation historical record preserved in index.
The operation historical record of memory device can be stored in the built-in hard disk of virtual equipment.Even if virtual equipment damages, the data in hard disk also can not be lost, and when being imported to by hard disk in new equipment, still can be identified.
Step 103: Storage Virtualization fault cannot data on accessing storage device time, adopt the operation historical record of memory device to carry out virtualized recovery.
Adopt the operation historical record of memory device to carry out virtualized recovery in the present invention, comprising:
With the identifier of logic storage unit corresponding to memory device for index reads out the operation historical record of memory device;
Use the operation historical record read to carry out recovery operation, or the operation historical record of reading is imported in new virtual equipment carry out recovery operation.
Do not damage at virtual equipment, when just operation is lost, can directly use operation historical record to carry out recovery operation, the operation before recovery; Damage at virtual equipment, when needing to carry out changing, the operation historical record of reading is imported in new virtual equipment and carries out recovery operation, ensure the security of data.
Further, when on administration interface, certain memory device is deleted, when removing the management to this memory device, is deleted by the operation historical record of memory device accordingly.。
Further, when carrying out storage management operations, also in logic storage unit, operation information is preserved.Such as, when carrying out the operations such as establishment storage pool, volume to memory device, in the logic storage unit that memory device is corresponding, the information such as storage pool, volume that this kind of memory device is created also is preserved.
As shown in Figure 2, present invention also offers a kind of memory virtual equipment, comprising: virtualization modules, memory management module, operation note module and operation recovery module, wherein:
Virtualization modules, for when carrying out virtual to memory device, for memory device creates corresponding logic storage unit in memory management module; And by corresponding logic storage unit, storage management operations is carried out to memory device;
Operation note module, for when virtualization modules carries out storage management operations, carries out record to carried out operation, obtains the operation historical record of memory device;
Operation recovery module, for Storage Virtualization fault cannot data on accessing storage device time, adopt the operation historical record of memory device to carry out virtualized recovery.
Further, virtualization modules, also for after creating corresponding logic storage unit for memory device, also for this logic storage unit arranges identifier;
Operation note module, also for after obtaining the operation historical record of memory device, with the identifier of logic storage unit corresponding to memory device for operation historical record preserved in index.
Further, operation recovery module adopts the operation historical record of memory device to carry out virtualized recovery, comprising:
With the identifier of logic storage unit corresponding to memory device for index reads out the operation historical record of memory device;
Use the operation historical record read to carry out recovery operation, or the operation historical record of reading is imported in new virtual equipment carry out recovery operation.
Further, operation note module, also for when removing the management to memory device, deletes the operation historical record of memory device.
Further, virtualization modules, also for when carrying out storage management operations, preserves operation information in logic storage unit.
Although the embodiment disclosed by the present invention is as above, the embodiment that described content only adopts for ease of understanding the present invention, and be not used to limit the present invention.Those of skill in the art belonging to any the present invention; under the prerequisite not departing from the spirit and scope disclosed by the present invention; any amendment and change can be carried out in the form implemented and details; but scope of patent protection of the present invention, the scope that still must define with appending claims is as the criterion.
Claims (10)
1. improve a method for Storage Virtualization security, it is characterized in that, comprising:
When carrying out virtual to memory device, for described memory device creates corresponding logic storage unit;
By the logic storage unit of correspondence, storage management operations is carried out to described memory device;
When carrying out storage management operations, record is carried out to carried out operation, obtain the operation historical record of described memory device, when Storage Virtualization fault cannot access the data on described memory device, adopt the operation historical record of described memory device to carry out virtualized recovery.
2. method according to claim 1, is characterized in that, described method also comprises:
After creating corresponding logic storage unit for described memory device, also for this logic storage unit arranges identifier;
After the operation historical record obtaining described memory device, also with the identifier of logic storage unit corresponding to described memory device for operation historical record preserved in index.
3. method according to claim 2, is characterized in that, the operation historical record of the described memory device of described employing carries out virtualized recovery, comprising:
With the operation historical record of identifier described memory device for index reads out of logic storage unit corresponding to described memory device;
Use the operation historical record read to carry out recovery operation, or the operation historical record of reading is imported in new virtual equipment carry out recovery operation.
4. according to the method in claim 2 or 3, it is characterized in that, described method also comprises:
When removing the management to described memory device, the operation historical record of described memory device is deleted.
5., according to one of any described method of claims 1 to 3, it is characterized in that, described method also comprises:
When carrying out storage management operations, also in described logic storage unit, preserve operation information.
6. a memory virtual equipment, is characterized in that, comprising: virtualization modules, memory management module, operation note module and operation recovery module, wherein:
Described virtualization modules, for when carrying out virtual to memory device, is that described memory device creates corresponding logic storage unit in described memory management module; And by corresponding logic storage unit, storage management operations is carried out to described memory device;
Described operation note module, for when described virtualization modules carries out storage management operations, carries out record to carried out operation, obtains the operation historical record of described memory device;
Described operation recovery module, for when Storage Virtualization fault cannot access the data on described memory device, adopts the operation historical record of described memory device to carry out virtualized recovery.
7. memory virtual equipment according to claim 6, is characterized in that:
Described virtualization modules, also for after creating corresponding logic storage unit for described memory device, also for this logic storage unit arranges identifier;
Described operation note module, also for after the operation historical record obtaining described memory device, with the identifier of logic storage unit corresponding to described memory device for operation historical record preserved in index.
8. memory virtual equipment according to claim 7, is characterized in that, described operation recovery module adopts the operation historical record of described memory device to carry out virtualized recovery, comprising:
With the operation historical record of identifier described memory device for index reads out of logic storage unit corresponding to described memory device;
Use the operation historical record read to carry out recovery operation, or the operation historical record of reading is imported in new virtual equipment carry out recovery operation.
9. the memory virtual equipment according to claim 7 or 8, is characterized in that:
Described operation note module, also for when removing the management to described memory device, deletes the operation historical record of described memory device.
10., according to one of any described memory virtual equipment of claim 6 ~ 8, it is characterized in that:
Described virtualization modules, also for when carrying out storage management operations, preserves operation information in described logic storage unit.
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| CN201510424928.7A CN105095111B (en) | 2015-07-17 | 2015-07-17 | A kind of method and memory virtual equipment improving Storage Virtualization safety |
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