CN104468654A - Storage management gateway connected to cloud storage, data backup method and hierarchical data backup system - Google Patents
Storage management gateway connected to cloud storage, data backup method and hierarchical data backup system Download PDFInfo
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- CN104468654A CN104468654A CN201310428278.4A CN201310428278A CN104468654A CN 104468654 A CN104468654 A CN 104468654A CN 201310428278 A CN201310428278 A CN 201310428278A CN 104468654 A CN104468654 A CN 104468654A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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Abstract
The invention provides a storage management gateway connected to cloud storage, a data backup method and a hierarchical data backup system in order to the solve the problem that a large amount of funding is needed for purchase of a large quantity of disk spaces when storage capacity is in high demand. The storage management gateway comprises an acquisition module used for acquiring the heat degree of data in a local virtual storage pool, and a backup module used for backing up data which is cold in the local virtual storage pool to a cloud server, wherein the local virtual storage pool is used for integrating all local storage resources of different types into a logical storage resource. Therefore, data not used for a long time is backed up to cloud storage, the purchase of physical capacity is converted into the purchase of cloud storage capacity, the local storage space is reduced, and the cost is lower.
Description
Technical field
The present invention relates to cloud field of storage, particularly relate to a kind of the storage administration gateway, method and the data hierarchy standby system that are connected to cloud and store.
Background technology
Cloud storage is in cloud computing (cloud computing) conceptive extension and the new concept of development out one, refer to by functions such as cluster application, grid or distributed file systems, various dissimilar memory device a large amount of in network is gathered collaborative work by application software, a system of data storage and Operational Visit function is externally provided jointly.When the core of cloud computing system computing and process is the store and management of mass data, just need in cloud computing system to configure a large amount of memory devices, so cloud computing system is just transformed into a cloud storage system, so the cloud computing system that cloud storage is is core with data store and management.
Along with storage status is improved day by day, higher requirement be it is also proposed to storage efficiency.Want to obtain higher storage efficiency, the hard disk of superior performance must be used, but expensively cannot to bear.Inventor finds at least there is following technical problem in the prior art, the problem that the storage mode not saving local memory space and the buying that cannot reduce hardware memory space are provided funds.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of the storage administration gateway, method and the data hierarchy standby system that are connected to cloud and store, solve when storage capacity requirement is very large, purchase a large amount of hard drive space, have no idea to save the local problem storing and need a large amount of investment.
In order to solve the problems of the technologies described above, embodiments of the invention provide a kind of storage administration gateway being connected to cloud and storing, and wherein, comprising:
Acquisition module, for obtaining the cold and hot degree of data in local virtual storage pool, wherein, described storage pool is used for all for this locality dissimilar storage resources to be integrated into a storage resources in logic;
Backup module, for being that cold data backup is to cloud server by the cold and hot degree of data in described storage pool.
Wherein, described acquisition module comprises:
Logging modle, for every preset time period, carries out record to the read-write of data in local virtual storage pool, obtains the read-write record result of data corresponding to this preset time period;
Processing module, for according to described preset time period, obtains the cold and hot degree of data in local virtual storage pool.
Wherein, described preset time period comprises: first to N preset time period;
Described processing module, specifically for adding up to the described read-write record result of N preset time period according to described first, obtains the cold and hot degree of data in local virtual storage pool by accumulation result.
Wherein, described processing module specifically at described accumulation result for during to threshold value, when accumulation result is less than a default value, determine that these in described storage pool data of being recorded are cold.
Wherein, described backup module, for being that cold data back up by the cold and hot degree of data that in described storage pool, this is recorded, and is uploaded to cloud server.
Wherein, storage administration gateway also comprises:
High in the clouds storage volume administration module, for the storage volume of cloud server is mapped to this locality, and manages in this locality the storage volume of described cloud server.
Wherein, storage administration gateway also comprises:
Update module, for when cold and hot degree is cold data backup by described backup module, be to be transferred by the state updating of the described data be backed up, after the data backup be backed up by the time to cloud server, the state being backed up data described in renewal is stable.
Wherein, storage administration gateway also comprises:
To move back module, move back to this locality for the data described backup module being backed up to cloud server.
Corresponding in order to solve the problems of the technologies described above, present invention also offers a kind of data back up method of storage administration gateway, wherein, comprising:
Obtain the cold and hot degree of data in local virtual storage pool, wherein, described storage pool is used for all for this locality dissimilar storage resources to be integrated into a storage resources in logic;
Be that cold data backup is to cloud server by the cold and hot degree of data in described storage pool.
Wherein, before obtaining the cold and hot degree of data in local virtual storage pool, the data back up method of storage administration gateway, also comprises: after selecting the described cloud server of specifying, be connected on described cloud server.
Preferably, in order to solve the problems of the technologies described above, present invention also offers a kind of data hierarchy standby system, wherein, comprise storage administration gateway as described above.
Wherein, described storage administration gateway is 2, and one is work storage administration gateway, and one is slack storage management gateway.
Wherein, data hierarchy standby system also comprises:
The management end be connected with described storage administration gateway, supplies storage administration gateway to carry out the interface operated for providing.
Wherein, described storage pool is divided into multilayer according to the cold and hot degree of data.
The beneficial effect of technique scheme of the present invention is as follows:
In the solution of the present invention, according to the cold and hot degree of data of the local virtual storage pool that acquisition module gets, cold data in cold and hot for data degree can be backuped to cloud server by backup module.Such purchase cloud server reduces the space that the local data stored take, and reduces hardware purchase cost.
Accompanying drawing explanation
Fig. 1 is overall structure figure of the present invention;
Fig. 2 is function structure chart of the present invention.
Embodiment
The embodiment of the present invention provides a kind of storage administration gateway being connected to cloud and storing, by by this locality store and cloud storage node altogether, the data backup do not used for a long time is stored to cloud, memory expanding can be backuped to like this and buy cloud storage, not only save local storage, and reduce the cost of buying hardware store.
As depicted in figs. 1 and 2, the storage administration gateway 2 of the first embodiment of the present invention, comprising:
Acquisition module 7, for obtaining the cold and hot degree of data in local virtual storage pool 5, wherein, described storage pool 5 is for being integrated into a storage resources in logic by all for this locality dissimilar storage resources;
Backup module 8, for being that cold data 6 back up to cloud server 4 by the cold and hot degree of data in described storage pool 5.
The cold and hot degree of data just refers to that read-write is whether frequent, and read-write be the data of heat frequently, read and write infrequently be cold data 6.
In the first embodiment of the present invention, the cold and hot degree of acquisition module 7 data from local virtual storage pool 5, the data 6 cold by backup module 8 backup to cloud server 4, thus cloud storage and local storage node are altogether, the data often do not read and not write are stored in lower-cost cloud server 4, reduce local memory space, reduce the spending buying hardware.
Another embodiment of the present invention, in order to the frequency of utilization of the data that can offer a clear explanation, in the storage administration gateway 2 of the therefore embodiment of the present invention, described acquisition module 7 comprises:
Logging modle 71, for every preset time period, carries out record to the read-write of data in local virtual storage pool 5, obtains the read-write record result of data corresponding to this preset time period;
Processing module 72, for according to described preset time period, obtains the cold and hot degree of data in local virtual storage pool 5.
Another embodiment of the present invention, needs to limit concrete setting-up time section, and in the storage administration gateway 2 of the therefore embodiment of the present invention, described preset time period comprises: first to N preset time period;
Described processing module 72, specifically for adding up to the described read-write record result of N preset time period according to described first, obtains the cold and hot degree of data in local virtual storage pool 5 by accumulation result.
Described processing module 72, specifically for when described accumulation result is for arriving threshold value, when accumulation result is less than a default value, determines that these data be recorded in described storage pool 5 are cold.
Described processing module 72 to refer to that supposition arranges a time to threshold value be 1 month, in 1 month, the visit capacity read-write number of times of this data block is zero, then reach the condition backing up to cloud server 4.Then this 1 month " 1 " is exactly to threshold values.One month of above setting and read-write number of times are zero is all only that illustration illustrates, the concrete numerical value that should set in actual applications all belongs to the scope of protection of the invention, in this citing that differs.
Being exemplified below for specific embodiments of the invention.
Logging modle 71 calculates input and output IO at regular intervals: preset a period of time length T1, every T1 time span, logging modle 71 couples of data block IO detect, and outcome record is D1, during n-th monitoring, is recorded as time Tn, corresponding result Dn.Tn is not unlimited, and processing module 72 will be analyzed record result within a certain period of time, namely add up to the IO read-write value of record.This time span can be set by keeper, also can adopt default time.
When reaching threshold value, at T1+T2 ... in the time span of+Tn, when accumulation result is 0, corresponding backup module 8 will be triggered, automatically this part data backup on cloud server 4.
In order to satisfied backup condition, in the storage administration gateway 2 of the therefore embodiment of the present invention, described backup module 8, for being that cold data 6 back up by the cold and hot degree of these data be recorded in described storage pool 5, and is uploaded to cloud server 4.
The mode uploaded, after local storage administration gateway 2 adopts ICP/IP protocol to be connected with cloud server 4, is uploaded to cloud server 4.
Another embodiment of the present invention, on the basis based on the first embodiment of the present invention as shown in Figure 1, in the storage administration gateway 2 of this inventive embodiments, also comprises:
High in the clouds storage volume administration module 10, for the storage volume of cloud server 4 is mapped to this locality, and manages in this locality the storage volume of described cloud server 4.
The management of described high in the clouds memory management module 10 can refer to consults data storage condition, has access to data and data and the operation such as to move back, also can refer on unified interface, can check cloud server 4 state and carry out data management.
As broad as long in order to make cloud store the storage effect reached with local storage, and convenient management, can be managed by high in the clouds storage volume administration module 10.
Another embodiment of the present invention, does not repeat to make data to take up room, and also comprises in the storage administration gateway 2 of the therefore embodiment of the present invention:
Update module 9, for at described backup module 8 by cold and hot degree be cold data 6 back up time, be to be transferred by the state updating of the described data be backed up, after the data backup be backed up by the time to cloud server 4, the state being backed up data described in renewal is stable.
Being exemplified below of the specific embodiment of the invention.
Update module 9 is at server end, be used for obtain drive notice and operation, cloud server 4, policy execution engine is responsible for whole scheduling, as comprised logging modle 71 in above-described embodiment and processing module 72 etc., cloud gateway engine and policy execution engine mutual by Socket module.Policy execution engine is positioned at web terminal, by webservice operating database and driving, controls the execution of whole strategy.
Data realize read-write with data block.When data block meets transition condition, send information to cloud gateway engine and perform migration, wait for that target Object has created rear renewal.When state in update module 9 is unstable, represent to be transferred.Meeting notification strategy enforcement engine after update module 9 has shifted, state changes into stable by update module 9 again.
After notice update module 9 shifts all object, change former Policy Status for stopping Abandon, after all Object transfer work to be done, notification gateway deletes old strategy.
Another embodiment of the present invention, it should be understood that, conveniently use and be backed up in the data of cloud server 4, in the storage administration gateway 2 of the therefore embodiment of the present invention, also comprise: module 11 of moving back, move back to this locality for the data that described backup module 8 is backed up to cloud server 4.
Accordingly, the data back up method additionally providing a kind of storage administration gateway 2 of the embodiment of the present invention, wherein, comprising:
Step 11, obtain the cold and hot degree of data in local virtual storage pool 5, wherein, described storage pool 5 is for being integrated into a storage resources in logic by all for this locality dissimilar storage resources;
The cold and hot degree of data in described storage pool 5 is that cold data 6 back up to cloud server 4 by step 12.
In the embodiment of the present invention, according to after the cold and hot degree of data that step 11 obtains, cold data 6 can be backed up to storage resources by step 12, so just save local storage, transfer to buy cloud memory capacity from purchase physical capacity, by cloud store and local storage node altogether, saving local coot, cost is cheaper.
In the data back up method of the storage administration gateway 2 of another embodiment of the present invention, before step 12, also comprise: step 13, after selecting the described cloud server 4 of specifying, be connected on described cloud server 4.
In step 13 to be connected on described cloud server 4 be utilize ICP/IP protocol, with appointment backup target cloud server 4, preset account information and be connected with target volume.After successful connection, in logic cloud storage is also included in storage administration gateway 2 and carry out unified management, like this, cloud server 4 data mode can be checked and carry out data management.
In this inventive embodiments, according to step 13, find cloud server 4, by step 11 and step 12, data 6 cold for this locality are backed up to cloud server 4.
It should be noted that, present invention also offers a kind of data hierarchy standby system, above-mentioned be connected to cloud store storage administration gateway embodiment in all implementations be all applicable to, in the embodiment of this data hierarchy standby system, also can reach identical technique effect.
Another embodiment of the present invention, in order to ensure the better work of whole system, in the data hierarchy standby system of the therefore embodiment of the present invention, described storage administration gateway 2 is 2, one is work storage administration gateway 2, is slack storage management gateway 2.
Described above can be a storage administration gateway 2, also can work under the acting in conjunction of two storage administration gateways 2, breaks down to avoid single storage administration gateway 2.Two storage administration gateways 2 physically, by heartbeat relation, carry out work with the entirety of in logic in whole storage administration.When one of them device fails, another can work on.
Another embodiment of the present invention, conveniently unified management, in the data hierarchy standby system of the therefore embodiment of the present invention, also comprise:
The management end 3 be connected with described storage administration gateway 2, supplies storage administration gateway 2 to carry out the interface operated for providing.
Like this by the port of unified management end 3, data storage condition can be consulted, have access to data and data and the operation such as to move back.
Another embodiment of the present invention, conveniently distinguishes the cold and hot degree of data, and in the data hierarchy standby system of the therefore embodiment of the present invention, described storage pool 5 is divided into multilayer according to the cold and hot degree of data.
Being exemplified below of the specific embodiment of the invention.
As shown in Figure 2, storage area network is set up in this locality, manages all hardware resources by storage administration gateway 2, sets up unified storage pool 5, and from pond, maps virtual volume 1 uses to client.Storage administration gateway 2 is connected by ICP/IP protocol with cloud server 4, in logic cloud server 4 target volume is also included in management.Local storage resources is connected with cloud server 4 resource, by unified management port, consults data storage condition, have access to data and data and the operation such as to move back.Be divided into multilayer by storage pool 5 according to the cold and hot degree of data, so cold data 6 backed up to cloud server 4.
The above embodiment of the present invention stores the data backup do not used for a long time to cloud, saves local spatial; Transfer to buy cloud memory capacity from purchase physical capacity, cost is cheaper; Cloud stores the unified security security mechanism that manufacturer provides specialty, ensures the safety of historical data.The above embodiment of the present invention connects cloud storage resources and local storage resources, gets through cloud and stores and stores estrangement with local, foundation the most directly, the most efficient data flow path.Traditional data are deposited and are limited to this locality or storage area network.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (14)
1. be connected to the storage administration gateway that cloud stores, it is characterized in that, comprising:
Acquisition module, for obtaining the cold and hot degree of data in local virtual storage pool, wherein, described storage pool is used for all for this locality dissimilar storage resources to be integrated into a storage resources in logic;
Backup module, for being that cold data backup is to cloud server by the cold and hot degree of data in described storage pool.
2. storage administration gateway according to claim 1, is characterized in that, described acquisition module comprises:
Logging modle, for every preset time period, carries out record to the read-write of data in local virtual storage pool, obtains the read-write record result of data corresponding to this preset time period;
Processing module, for according to described preset time period, obtains the cold and hot degree of data in local virtual storage pool.
3. storage administration gateway according to claim 2, is characterized in that, described preset time period comprises: first to N preset time period;
Described processing module, specifically for adding up to the described read-write record result of N preset time period according to described first, obtains the cold and hot degree of data in local virtual storage pool by accumulation result.
4. storage administration gateway according to claim 3, is characterized in that, described processing module specifically at described accumulation result for during to threshold value, when accumulation result is less than a default value, determine that these in described storage pool data of being recorded are cold.
5. storage administration gateway according to claim 4, is characterized in that, described backup module, for being that cold data back up by the cold and hot degree of data that in described storage pool, this is recorded, and is uploaded to cloud server.
6. storage administration gateway according to claim 1, is characterized in that, also comprise:
High in the clouds storage volume administration module, for the storage volume of cloud server is mapped to this locality, and manages in this locality the storage volume of described cloud server.
7. storage administration gateway according to claim 1, is characterized in that, also comprise:
Update module, for when cold and hot degree is cold data backup by described backup module, be to be transferred by the state updating of the described data be backed up, after the data backup be backed up by the time to cloud server, the state being backed up data described in renewal is stable.
8. storage administration gateway according to claim 1, is characterized in that, also comprise:
To move back module, move back to this locality for the data described backup module being backed up to cloud server.
9. a data back up method for storage administration gateway, is characterized in that, comprising:
Obtain the cold and hot degree of data in local virtual storage pool, wherein, described storage pool is used for all for this locality dissimilar storage resources to be integrated into a storage resources in logic;
Be that cold data backup is to cloud server by the cold and hot degree of data in described storage pool.
10. the data back up method of storage administration gateway according to claim 9, it is characterized in that, before obtaining the cold and hot degree of data in local virtual storage pool, also comprise: after selecting the described cloud server of specifying, be connected on described cloud server.
11. 1 kinds of data hierarchy standby systems, is characterized in that, comprise storage administration gateway as described in any one of claim 1-8.
12. data hierarchy standby systems according to claim 11, is characterized in that, described storage administration gateway is 2, and one is work storage administration gateway, and one is slack storage management gateway.
13. data hierarchy standby systems according to claim 11, is characterized in that, also comprise:
The management end be connected with described storage administration gateway, supplies storage administration gateway to carry out the interface operated for providing.
14. data hierarchy standby systems according to claim 11, is characterized in that, described storage pool is divided into multilayer according to the cold and hot degree of data.
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