CN105635276B - The method that cloud platform distributed physical volume object moves to non-distributed storage - Google Patents
The method that cloud platform distributed physical volume object moves to non-distributed storage Download PDFInfo
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- CN105635276B CN105635276B CN201511017592.9A CN201511017592A CN105635276B CN 105635276 B CN105635276 B CN 105635276B CN 201511017592 A CN201511017592 A CN 201511017592A CN 105635276 B CN105635276 B CN 105635276B
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/563—Data redirection of data network streams
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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]
Abstract
The present invention relates to cloud platform storage technical field of virtualization, especially a kind of cloud platform distributed physical volume object moves to the method that non-distributed stores.The present invention obtains distributed physical volume object information first；Obtain distributed memory system information；Judge whether that distributed memory system possesses storage object number greater than 2, if continuing to execute migration process；Otherwise just migration failure；Judge whether that distributed memory system available space is greater than physical volume gross space, if continuing to execute migration process, otherwise just migration failure；Distributed memory system rejects physics volume object；Local volume management creates physical volume；Extend volume group；Last physical volume provides non-distributed storage service.The problems such as storage scheme is not suitable with user's use habit of cloud computing platform, physical volume migration can only be operated by way of manual, moving method is not general enough, has been planned in present invention solution；It can be applied to manage various Storage Virtualization types again on planning field.
Description
Technical field
The present invention relates to cloud platform storage technical field of virtualization, especially a kind of cloud platform distributed physical volume object is moved
The method for moving on to non-distributed storage.
Background technique
The general cloud computing platform newly built, the more difficult planning of memory space, and be locally stored, centrally stored and distribution
The Cloud Server of formula storage, the advantages of respectively having itself and disadvantage.Such as Cloud Server cost performance height, the disk read-write being locally stored
Network is not depended on, but reliability is lower, disk read-write performance is lower；And the Cloud Server of distributed storage have high reliability and
High-performance, but rely on network and network switch pressure can be greatly increased, and there are many clients to be not intended to be ready purchasing price
High optical fiber switch；As cloud platform develops for a long time, following problems are brought:
First is that originally planned be locally stored, centrally stored and distributed storage has been not suitable with cloud computing platform
User's use habit.Have that largely idle distributed storage space occurs in the environment of portions of client and local storage space is inadequate
Use phenomenon.
Second is that physical volume migration can only be operated by way of manual.
Third is that moving method is not general enough.Distributed memory system, which can only migrate, to be locally stored or centrally stored, Bu Nengtong
When support both type.
In order to solve the problem above-mentioned, one kind is needed suitable for cloud platform distributed physical volume object and moves to non-distribution
The method of formula storage, user can pass through cloud platform Autonomic Migration Framework physical volume.Cloud platform distributed physical volume moves to non-distribution
Formula storage can be achieved with physical volume migration as long as distributed memory system possesses enough available spaces.
Summary of the invention
Present invention solves the technical problem that be to provide it is a kind of be suitable for cloud platform distributed physical volume object move to it is non-
The method of distributed storage solves to have planned that storage scheme is not suitable with user's use habit of cloud computing platform, object originally
The problems such as migration of reason volume can only be operated by way of manual, moving method is not general enough.
The technical solution that the present invention solves above-mentioned technical problem is:
The method includes the following steps:
Step 1: obtaining distributed physical volume object information；
Step 2: obtaining distributed memory system information；
Step 3: judging whether that distributed memory system possesses storage object number greater than 2, if performing the next step；It is no
Then follow the steps 9；
Step 4: whether distributed memory system available space is greater than physical volume gross space, if performing the next step, otherwise
Execute step 9；
Step 5: distributed memory system rejects physics volume object；
Step 6: local volume management creates physical volume；
Step 7: extension volume group；
Step 8: physical volume provides non-distributed storage service, executes step 10；
Step 9: migration failure；
Step 10: completing process.
The acquisition distributed physical volume object information, including distributed physical volume object name of the information, total storage sky
Between etc. information；
The physics volume object is the storage object of distributed storage；
There are mainly two types of the physics volume objects: local disk and concentration storage logical units number；
The centrally stored logical unit number is the storage unit of the high-speed storage network of a centralized management.
The acquisition distributed memory system information, title, physics volume object number including distributed memory system,
The information such as free memory and total memory space.
The distributed memory system rejects physics volume object, is deletion of physically volume object, is not re-used as storage object；
Before migration, distributed memory system available space is greater than physical volume gross space；After rejecting, distributed memory system still has
Available space guarantees that distributed storage virtual machine being capable of normal use.
The local volume management creates physical volume, and local volume management is rolled up by pvcreate order deletion of physically, order
Format are as follows: pvcreate physical volume path；
The local volume management is a kind of mechanism being managed under Linux environment to disk partition.
The extension volume group, volume group increases physical volume, to extend total memory space；Command format are as follows: vgextend
Volumegroup name claims physical volume path.
The method that the present invention moves to non-distributed storage by being suitable for cloud platform distributed physical volume object, physical volume
Automatic mode is migrated across, artificial misoperation probability is reduced, improves cloud platform O&M convenience.The present invention is a kind of software skill
Art is not migration physically, the general physical volume moving method in region；The present invention is moved suitable for distributed memory system
It moves on to and is locally stored or centrally stored, be different from general not general enough method；The present invention finally moves to physical volume non-
It is used on distributed memory system, is different from general internal migration method.
Detailed description of the invention
The following further describes the present invention with reference to the drawings:
Fig. 1 is flow chart；
Fig. 2 is building-block of logic of the invention.
Specific embodiment
There are many embodiments of the present invention, illustrates one of implementation method by taking shared cloud platform as an example here, such as schemes
1, shown in 2, specific implementation process is as follows
1, distributed physical volume object information is obtained, code is as follows:
2, distributed memory system information is obtained, code is as follows:
3, whether distributed memory system possesses storage object number greater than 2, and code is as follows:
4, whether distributed memory system available space is greater than physical volume gross space, and code is as follows:
5, distributed memory system rejects physics volume object, and code is as follows:
6, local volume management creates physical volume, and code is as follows:
7, volume group is extended, code is as follows:
8, physical volume provides non-distributed storage service；
Process terminates.
Claims (7)
1. a kind of method that cloud platform distributed physical volume object moves to non-distributed storage, it is characterised in that: the side
Method includes the following steps:
Step 1: obtaining distributed physical volume object information；
Step 2: obtaining distributed memory system information；
Step 3: judging whether that distributed memory system possesses physics volume object number greater than 2, if performing the next step；Otherwise
Execute step 9；
Step 4: whether distributed memory system available space, which is greater than single physical, is rolled up gross space, if performing the next step, otherwise
Execute step 9；
Step 5: distributed memory system rejects physics volume object；
Step 6: non-distributed systems volume management creates physics volume object；
Step 7: extension volume group；
Step 8: the physics volume object of non-distributed systems provides non-distributed storage service, executes step 10；
Step 9: migration failure；
Step 10: completing process.
2. according to the method described in claim 1, it is characterized by: the distributed physical volume object information, including distribution
Formula physical volume object information title, total storage space information；
The physics volume object is the storage unit of distributed storage；The physics volume object includes: local disk sum aggregate
Middle storage logical units number；
The centrally stored logical unit number is the storage unit of the high-speed storage network of a centralized management；
The distributed memory system information, title, physics volume object number including distributed memory system can use storage
Space and total storage space information.
3. according to the method described in claim 1, it is characterized by: the distributed memory system rejects physics volume object,
It is deletion of physically volume object, is not re-used as the storage unit of distributed storage；Before migration, distributed memory system available space
Gross space is rolled up greater than single physical；After rejecting, distributed memory system still has available space, guarantees that distributed storage is virtual
Machine being capable of normal use.
4. according to the method described in claim 2, it is characterized by: the distributed memory system rejects physics volume object,
It is deletion of physically volume object, is not re-used as the storage unit of distributed storage；Before migration, distributed memory system available space
Gross space is rolled up greater than single physical；After rejecting, distributed memory system still has available space, guarantees that distributed storage is virtual
Machine being capable of normal use.
5. method according to any one of claims 1 to 4, it is characterised in that: the non-distributed systems volume management wound
Physics volume object is built, refers to the physics volume object rejected from distributed storage of creation, is i.e. physics volume object is from distributed storage
Non-distributed systems volume management is moved to, non-distributed systems volume management creates physical volume, order lattice by pvcreate order
Formula are as follows: pvcreate physical volume object path；
The non-distributed systems volume management is a kind of mechanism being managed under Linux environment to disk partition, is referred to non-
Distributed storage is local.
6. method according to any one of claims 1 to 4, it is characterised in that: the extension volume group, volume group increase physics
Volume object, to extend total memory space；Command format are as follows: vgextend volumegroup name claims physical volume object path.
7. according to the method described in claim 5, volume group increases physics volume object it is characterized by: the extension volume group, from
And extend total memory space；Command format are as follows: vgextend volumegroup name claims physical volume object path.
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| CN112087493B (en) * | 2017-09-05 | 2022-02-22 | 华为技术有限公司 | Request processing method, system on chip and public cloud management component |
| CN112463879B (en) * | 2020-10-29 | 2023-01-06 | 苏州浪潮智能科技有限公司 | Data volume synchronization method and equipment |
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| CN103562879A (en) * | 2011-05-26 | 2014-02-05 | 国际商业机器公司 | Transparent file system migration to a new physical location |
| CN104270409A (en) * | 2014-09-04 | 2015-01-07 | 国云科技股份有限公司 | Method for efficiently utilizing centralized storage in cloud platform |
| CN104484279A (en) * | 2014-12-05 | 2015-04-01 | 国云科技股份有限公司 | Centralized storage over-allotment using method suitable for cloud computing |
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| US8549519B2 (en) * | 2011-08-19 | 2013-10-01 | Hitachi, Ltd. | Method and apparatus to improve efficiency in the use of resources in data center |
| US9081502B2 (en) * | 2012-10-18 | 2015-07-14 | Hitachi, Ltd. | Method and apparatus of storage volume migration in cooperation with takeover of storage area network configuration |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103562879A (en) * | 2011-05-26 | 2014-02-05 | 国际商业机器公司 | Transparent file system migration to a new physical location |
| CN103475732A (en) * | 2013-09-25 | 2013-12-25 | 浪潮电子信息产业股份有限公司 | Distributed file system data volume deployment method based on virtual address pool |
| CN104270409A (en) * | 2014-09-04 | 2015-01-07 | 国云科技股份有限公司 | Method for efficiently utilizing centralized storage in cloud platform |
| CN104484279A (en) * | 2014-12-05 | 2015-04-01 | 国云科技股份有限公司 | Centralized storage over-allotment using method suitable for cloud computing |
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