CN106325777A - Logical unit management method and system - Google Patents
Logical unit management method and system Download PDFInfo
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- CN106325777A CN106325777A CN201610721150.0A CN201610721150A CN106325777A CN 106325777 A CN106325777 A CN 106325777A CN 201610721150 A CN201610721150 A CN 201610721150A CN 106325777 A CN106325777 A CN 106325777A
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- logical block
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- hyperdisk
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
- G06F3/0605—Improving or facilitating administration, e.g. storage management by facilitating the interaction with a user or administrator
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0662—Virtualisation aspects
- G06F3/0665—Virtualisation aspects at area level, e.g. provisioning of virtual or logical volumes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
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- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention discloses a logical unit management method. The method comprises the following steps: creating a host cluster comprising N hosts; creating storage systems corresponding to the hosts to obtain a corresponding storage system cluster; mapping all logical units in the storage systems into corresponding MDisk management disks respectively; acquiring a logical unit management instruction sent by a target host, and managing the logical units in the MDisk management disks corresponding to the target host according to the logical unit management instruction. In the method, corresponding logical units in the MDisk management disks corresponding to a certain host are managed when the certain host needs to manage the logical units in corresponding storage systems, so that effective management of the logical units can be realized. Moreover, the invention also correspondingly discloses a logical unit management system.
Description
Technical field
The present invention relates to technical field of memory, particularly to a kind of logical block management method and system.
Background technology
Currently, along with the fast development of computer technology, memory technology aspect also achieves the most progressive, the most right
The successful use of back end storage system subregion, meets server to the safety of magnetic disk and the requirement of rapidity.
When configuring back end storage system, the configuration of LU (LU, i.e. Logical Units, logical block) is it
In important component part.Under normal circumstances, back end storage system exists thousands of logical blocks, how to logic list
It is to have problem to be solved at present that unit manages effectively.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of logical block management method and system, it is achieved that to logic
Effective management of unit.Its concrete scheme is as follows:
A kind of logical block management method, including:
Creating the mainframe cluster including N platform main frame, wherein, N is positive integer；
Create the storage system corresponding with every main frame, stored system cluster accordingly；
Respectively all logical unit mappings in each storage system are become corresponding MDisk hyperdisk；
Obtain destination host send logical block management instruction, and according to described logical block management instruction, to institute
The logical block stated in the MDisk hyperdisk that destination host is corresponding is managed；
Wherein, the either host during described destination host is described N platform main frame.
Preferably, described N platform main frame includes M group main frame pair, and M is positive integer；Wherein, main frame is often organized to all including two
Main frame, and, often organize and be provided with corresponding communication link between two main frames of main machine centering.
Preferably, the mode of operation of the MDisk hyperdisk that each storage system is corresponding is Image Mode.
Preferably, the mode of operation of the MDisk hyperdisk that each storage system is corresponding is Managed Space Mode.
Preferably, described method, also include:
Obtain the arbitration disk setting instruction that described destination host sends；
Set instruction according to described arbitration disk, the MDisk hyperdisk corresponding with described destination host is set as arbitration
Dish.
Preferably, the logical block management instruction that described acquisition destination host sends, and manage according to described logical block
Instruction, the process that the logical block in the MDisk hyperdisk corresponding with described destination host is managed, including:
Obtain the logical block extended instruction that described destination host sends；
According to described logical block extended instruction, the logical block in the storage system corresponding with described destination host is entered
Row extension, logical block newly-increased after being expanded；
By in logical unit mappings newly-increased after described extension to the MDisk hyperdisk the most corresponding with described destination host,
So that this MDisk hyperdisk is updated.
The invention also discloses a kind of logical block management system, including:
First cluster creation module, for creating the mainframe cluster including N platform main frame, wherein, N is positive integer；
Second cluster creation module, for creating the storage system corresponding with every main frame, is stored system accordingly
System cluster；
Mapping block, for becoming corresponding MDisk to manage all logical unit mappings in each storage system respectively
Disk；
Logical block management module, for obtaining the logical block management instruction that destination host sends, and patrols according to described
Collect Single Component Management instruction, the logical block in the MDisk hyperdisk corresponding with described destination host is managed；
Wherein, the either host during described destination host is described N platform main frame.
Preferably, the mode of operation of the MDisk hyperdisk that each storage system is corresponding is Image Mode or Managed
Space Mode。
Preferably, described system, also include:
Arbitration disk setting module, the arbitration disk sent for obtaining described destination host sets instruction, and according to described secondary
Sanction dish sets instruction, and the MDisk hyperdisk corresponding with described destination host is set as arbitration disk.
Preferably, described logical block management module includes:
Logical block extension submodule, for obtaining the logical block extended instruction that described destination host sends, and according to
Described logical block extended instruction, is extended the logical block in the storage system corresponding with described destination host, obtains
Logical block newly-increased after extension；
Disk updates submodule, for by the most corresponding with described destination host for logical unit mappings newly-increased after described extension
MDisk hyperdisk in, so that this MDisk hyperdisk is updated.
In the present invention, logical block management method includes: creating the mainframe cluster including N platform main frame, wherein, N is the most whole
Number；Create the storage system corresponding with every main frame, stored system cluster accordingly；Respectively by each storage system
All logical unit mappings become corresponding MDisk hyperdisk；Obtain the logical block management instruction that destination host sends, and
According to logical block management instruction, the logical block in the MDisk hyperdisk corresponding with destination host is managed；Its
In, above-mentioned destination host is the either host in above-mentioned N platform main frame.Visible, the present invention is creating mainframe cluster and corresponding
Storage system cluster after, just all logical unit mappings in each storage system are become corresponding MDisk hyperdisk, this
Sample, when certain main frame needs to be managed the logical block in corresponding storage system, only need to by this main frame pair
Respective logic unit in the MDisk hyperdisk answered is managed, it is achieved thereby that the effective management to logical block.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
Fig. 1 is a kind of logical block management method flow chart disclosed in the embodiment of the present invention；
Fig. 2 is a kind of logical block management system structure schematic diagram disclosed in the embodiment of the present invention.
Detailed description of the invention
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
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
The embodiment of the invention discloses a kind of logical block management method, shown in Figure 1, the method includes:
Step S11: creating the mainframe cluster including N platform main frame, wherein, N is positive integer.
Step S12: create the storage system corresponding with every main frame, stored system cluster accordingly.
It is understood that above-mentioned storage system cluster includes one or more storage system, each storage system is equal
There is main frame corresponding thereto.
Step S13: respectively all logical unit mappings in each storage system are become corresponding MDisk hyperdisk.
In the present embodiment, main frame, formation corresponding relation between storage system and MDisk hyperdisk, that is, every master
There is corresponding storage system in machine, and each storage system exists corresponding MDisk hyperdisk.
It is understood that after all logical unit mappings in a certain storage system are become MDisk hyperdisk, gained
To MDisk hyperdisk in just demonstrate through mapping after all logical blocks.
Step S14: obtain the logical block management instruction that destination host sends, and according to logical block management instruction, right
The logical block in MDisk hyperdisk corresponding with destination host is managed；Wherein, above-mentioned destination host is above-mentioned N platform
Either host in main frame.
It should be noted that the management instruction of above-mentioned logical block includes various management instruction, such as logical block extension refers to
Order or logical block delete instruction etc..
In the present embodiment, after all logical unit mappings in storage system are become MDisk hyperdisk, main frame just may be used
By sending logical block management instruction, corresponding MDisk hyperdisk is managed, that is to say MDisk hyperdisk
In logical block correspondingly manage.
Visible, the embodiment of the present invention, after having created mainframe cluster and corresponding storage system cluster, is just deposited each
All logical unit mappings in storage system become corresponding MDisk hyperdisk, so, when certain main frame needs depositing accordingly
When logical block in storage system is managed, only need to be by corresponding in the MDisk hyperdisk corresponding to this main frame be patrolled
Collect unit to be managed, it is achieved thereby that the effective management to logical block.
The embodiment of the invention discloses a kind of concrete logical block management method, relative to a upper embodiment, this enforcement
Technical scheme has been made further instruction and optimization by example.Concrete:
In upper embodiment step S11, create the mainframe cluster including N platform main frame.In order to promote whole storage system
The stability of cluster, reliability and safety, in the present embodiment, can allow and can carry out phase between part main frame or whole main frame
Intercommunication, concrete, above-mentioned N platform main frame can include M group main frame pair, M is positive integer；Wherein, main frame is often organized to all including
Two main frames, and, often organize and be provided with corresponding communication link between two main frames of main machine centering.It is understood that above-mentioned M
Group main frame is not more than above-mentioned N value to included main frame sum.It is provided with corresponding between above-mentioned two main frames often organizing main machine centering
Communication link, that is, these two main frames can be communicated by the communication link between them.
In addition, it is necessary to explanation, the mode of operation of MDisk hyperdisk generally includes three kinds, is respectively
Unconfigured Mode, Image Mode and Managed Space Mode.Owing to MDisk hyperdisk is operated in
Cannot be accessible to hosts the when of Unconfigured Mode, so, in the present embodiment, each storage system is corresponding
The mode of operation of MDisk hyperdisk is Image Mode or Managed Space Mode.
In order to ensure the safety of data, the method in the present embodiment in the storage system corresponding to destination host, also may be used
To farther include:
Obtain the arbitration disk setting instruction that destination host sends, then set instruction according to arbitration disk, will be with destination host
Corresponding MDisk hyperdisk is set as arbitration disk.
When the logical block management instruction that destination host sends is for logical block extended instruction, a upper embodiment step
In S14, obtain destination host send logical block management instruction, and according to logical block management instruction, to destination host
The process that the corresponding logical block in MDisk hyperdisk is managed, specifically includes:
Obtain destination host send logical block extended instruction, then according to this logical block extended instruction, to mesh
Logical block in the storage system that mark main frame is corresponding is extended, logical block newly-increased after being expanded, then will extension
In the MDisk hyperdisk that rear newly-increased logical unit mappings is the most corresponding with destination host, so that this MDisk hyperdisk is carried out
Update.
In like manner, when the logical block management instruction that destination host sends deletes instruction for logical block, a upper embodiment
In step S14, obtain destination host send logical block management instruction, and according to logical block management instruction, to target
The process that logical block in the MDisk hyperdisk that main frame is corresponding is managed, specifically includes:
Obtain destination host send logical block delete instruction, then according to this logical block delete instruction, to mesh
Logical block in the MDisk hyperdisk that mark main frame is corresponding carries out correspondingly delete processing.
Accordingly, the embodiment of the invention also discloses a kind of logical block management system, shown in Figure 2, this logic list
Unit's management system includes:
First cluster creation module 21, for creating the mainframe cluster including N platform main frame, wherein, N is positive integer；
Second cluster creation module 22, for creating the storage system corresponding with every main frame, is stored accordingly
System cluster；
Mapping block 23, for becoming corresponding MDisk to manage all logical unit mappings in each storage system respectively
Reason disk；
Logical block management module 24, for obtaining the logical block management instruction that destination host sends, and according to logic
Single Component Management instructs, and is managed the logical block in the MDisk hyperdisk corresponding with destination host；Wherein, above-mentioned mesh
Mark main frame is the either host in above-mentioned N platform main frame.
Visible, the embodiment of the present invention, after having created mainframe cluster and corresponding storage system cluster, is just deposited each
All logical unit mappings in storage system become corresponding MDisk hyperdisk, so, when certain main frame needs depositing accordingly
When logical block in storage system is managed, only need to be by corresponding in the MDisk hyperdisk corresponding to this main frame be patrolled
Collect unit to be managed, it is achieved thereby that the effective management to logical block.
Concrete, in the present embodiment, the mode of operation of the MDisk hyperdisk that each storage system is corresponding is Image
Mode or Managed Space Mode.
Further, the safety of data, patrolling in the present embodiment in the storage system corresponding in order to promote destination host
Collect entity management system, it is also possible to including:
Arbitration disk setting module, the arbitration disk sent for obtaining destination host sets instruction, and sets according to arbitration disk
Instruction, is set as arbitration disk by the MDisk hyperdisk corresponding with destination host.
It addition, when the logical block management instruction that destination host sends is for logical block extended instruction, above-mentioned logic list
Unit's management module specifically can include that logical block extension submodule and disk update submodule；Wherein,
Logical block extension submodule, for obtaining the logical block extended instruction that destination host sends, and according to logic
Unit extensions instructs, and is extended the logical block in the storage system corresponding with destination host, increases newly after being expanded
Logical block；
Disk updates submodule, for will the logical unit mappings that increase is the most corresponding with destination host after extension MDisk
In hyperdisk, so that this MDisk hyperdisk is updated.
In the present embodiment, when the logical block management instruction that destination host sends deletes instruction for logical block, above-mentioned
Logical block management module, the logical block sent specifically for obtaining destination host deletes instruction, then according to this logic list
Instruction is deleted by unit, and the logical block in the MDisk hyperdisk corresponding with destination host is carried out correspondingly delete processing.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or operation
Between exist any this reality relation or order.And, term " includes ", " comprising " or its any other variant meaning
Containing comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that
A little key elements, but also include other key elements being not expressly set out, or also include for this process, method, article or
The key element that equipment is intrinsic.In the case of there is no more restriction, statement " including ... " key element limited, do not arrange
Except there is also other identical element in including the process of described key element, method, article or equipment.
Above a kind of logical block management method provided by the present invention and system are described in detail, herein should
Being set forth principle and the embodiment of the present invention by specific case, the explanation of above example is only intended to help reason
Solve method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention,
All will change in detailed description of the invention and range of application, in sum, this specification content should not be construed as this
Bright restriction.
Claims (10)
1. a logical block management method, it is characterised in that including:
Creating the mainframe cluster including N platform main frame, wherein, N is positive integer；
Create the storage system corresponding with every main frame, stored system cluster accordingly；
Respectively all logical unit mappings in each storage system are become corresponding MDisk hyperdisk；
Obtain destination host send logical block management instruction, and according to described logical block management instruction, to described mesh
Logical block in the MDisk hyperdisk that mark main frame is corresponding is managed；
Wherein, the either host during described destination host is described N platform main frame.
Logical block management method the most according to claim 1, it is characterised in that described N platform main frame includes M group main frame
Right, M is positive integer；Wherein, often group main frame is to all including two main frames, and, often organize and set between two main frames of main machine centering
There is corresponding communication link.
Logical block management method the most according to claim 1, it is characterised in that the MDisk that each storage system is corresponding
The mode of operation of hyperdisk is Image Mode.
Logical block management method the most according to claim 1, it is characterised in that the MDisk that each storage system is corresponding
The mode of operation of hyperdisk is Managed Space Mode.
5. according to the logical block management method described in any one of Claims 1-4, it is characterised in that also include:
Obtain the arbitration disk setting instruction that described destination host sends；
Set instruction according to described arbitration disk, the MDisk hyperdisk corresponding with described destination host is set as arbitration disk.
6. according to the logical block management method described in any one of Claims 1-4, it is characterised in that described acquisition target master
The logical block management instruction that machine sends, and according to the management instruction of described logical block, to corresponding with described destination host
The process that logical block in MDisk hyperdisk is managed, including:
Obtain the logical block extended instruction that described destination host sends；
According to described logical block extended instruction, the logical block in the storage system corresponding with described destination host is expanded
Exhibition, logical block newly-increased after being expanded；
By in logical unit mappings newly-increased after described extension to the MDisk hyperdisk corresponding with described destination host, with right
This MDisk hyperdisk is updated.
7. a logical block management system, it is characterised in that including:
First cluster creation module, for creating the mainframe cluster including N platform main frame, wherein, N is positive integer；
Second cluster creation module, for creating the storage system corresponding with every main frame, is stored system collection accordingly
Group；
Mapping block, for becoming corresponding MDisk hyperdisk by all logical unit mappings in each storage system respectively；
Logical block management module, for obtaining the logical block management instruction that destination host sends, and according to described logic list
Unit's management instruction, is managed the logical block in the MDisk hyperdisk corresponding with described destination host；
Wherein, the either host during described destination host is described N platform main frame.
Logical block the most according to claim 7 management system, it is characterised in that the MDisk that each storage system is corresponding
The mode of operation of hyperdisk is Image Mode or Managed Space Mode.
9. manage system according to the logical block described in claim 7 or 8, it is characterised in that also include:
Arbitration disk setting module, the arbitration disk sent for obtaining described destination host sets instruction, and according to described arbitration disk
Set instruction, the MDisk hyperdisk corresponding with described destination host is set as arbitration disk.
10. manage system according to the logical block described in claim 7 or 8, it is characterised in that described logical block management module
Including:
Logical block extension submodule, for obtaining the logical block extended instruction that described destination host sends, and according to described
Logical block extended instruction, is extended the logical block in the storage system corresponding with described destination host, is expanded
Rear newly-increased logical block；
Disk updates submodule, for by the most corresponding with described destination host for logical unit mappings newly-increased after described extension
In MDisk hyperdisk, so that this MDisk hyperdisk is updated.
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Application publication date: 20170111 |