CN110515947A - A kind of storage system - Google Patents
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- CN110515947A CN110515947A CN201910784502.0A CN201910784502A CN110515947A CN 110515947 A CN110515947 A CN 110515947A CN 201910784502 A CN201910784502 A CN 201910784502A CN 110515947 A CN110515947 A CN 110515947A
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- 238000010586 diagram Methods 0.000 description 4
- 238000007726 management method Methods 0.000 description 3
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Abstract
This application discloses a kind of storage systems, comprising: hierarchical block, for the disk in the storage system to be distributed to different levels according to disk type；Different levels are used to store the data of different access temperature；It migrates logic and realizes module, move into logic for realizing each level is corresponding；Wherein, if the access temperature of the data in storage system meets, target tier is corresponding to move into logic, and the data are not stored in the target tier, then data are moved into target tier；Target tier is any one level in storage system.In this application, when needing to carry out Data Migration, it is only necessary to determine the corresponding data of which level of the data fit for needing to migrate move into logic, so that it may the data migrated will be needed to move into wherein；When newly-increased level, it is only necessary to realize that corresponding data move into logic for newly-increased level, move into logic without changing the corresponding data of other levels, to reduce code development quantity, improve the scalability and flexibility of storage system.
Description
Technical field
This application involves technical field of data storage, in particular to a kind of storage system.
Background technique
It in the prior art, can be according to the access temperature of data come storing data.When the access temperature of data is higher,
It is stored in the preferable disk of readwrite performance；When the access temperature of data is lower, it is poor to be stored in readwrite performance
Disk；It not only can reasonable distribution storage resource, additionally it is possible to guarantee the read-write efficiency of data.
Existing storage system is referring to Figure 1.In Fig. 1, the disk in storage system is assigned to three levels: level
1, level 2 and level 3, these three levels respectively correspond: SSD disk, Enterprise disk and Near Line disk.Under each level
Including the corresponding Data Migration logic of current level, specifically referring to Figure 1.It is newly-increased when needing in storage system shown in Fig. 1
It when level 4, needs to realize corresponding Data Migration logic for level 4, while also needing to divide under level 1, level 2 and level 3
It Shi Xian not migration logic related with level 4.Migration logic related with level 4 is i.e.: level 1 is migrated to level 4 and (is namely deposited
The Data Migration of level 1 is stored in level 4), level 2 migrates to level 4, level 3 and migrates to level 4.Obviously it will increase in this way
The exploitation amount of system update code reduces the scalability and flexibility of storage system.
Therefore, the scalability and flexibility for how improving storage system are that those skilled in the art need what is solved to ask
Topic.
Summary of the invention
In view of this, the application's is designed to provide a kind of storage system, with improve storage system scalability and
Flexibility.Its concrete scheme is as follows:
This application provides a kind of storage systems, comprising:
Hierarchical block, for being distributed the disk in the storage system to different levels according to disk type；Different layers
Grade is for storing the data of different access temperature；The quantity of level is not less than positive integer 2；
It migrates logic and realizes module, move into logic for realizing each level is corresponding；
Wherein, if the access temperature of the data in storage system meets, target tier is corresponding to move into logic, and data are not
It is stored in target tier, then data are moved into target tier；Target tier is any one level in storage system.
Preferably, further includes:
Task scheduling modules for management level and move into logic.
Preferably, task scheduling modules are specifically used for:
The request to create and the corresponding target of target tier for obtaining the target tier of user's input move into logic；
Target tier is created according to request to create, and establishes target tier and target moves into corresponding relationship between logic；
Target is moved into logic and is added to migration logic realization module.
Preferably, task scheduling modules are specifically used for:
Obtain the removal request of the target tier of user's input；
Realize that delete target moves into logic in module according to removal request delete target level, and from migration logic.
Preferably, task scheduling modules are specifically used for:
Obtain the level adjustment request of the target disk of user's input；
The purpose level of target disk adjustment is determined according to level adjustment request；
Target disk is distributed to purpose level.
Preferably, task scheduling modules are specifically used for:
The target for receiving user's input moves into the update request of logic；
Logic is moved into according to request more fresh target is updated, and moves into the target before logic replacement updates with updated target
Move into logic.
Preferably, disk type includes at least: SSD disk, Enterprise disk and Near Line disk.
Preferably, each level corresponds to the disk of multiple disk types of the same race.
Preferably, further includes:
Human-computer interaction module, request to create, removal request, level adjustment request and update for obtaining user's input are asked
It asks.
Preferably, the human-computer interaction module is also used to:
It shows the different levels and the different levels is corresponding moves into logic.
By above scheme it is found that this application provides a kind of storage systems, comprising: hierarchical block, for according to disk
Type distributes the disk in the storage system to different levels；Different levels are used to store the data of different access temperature；
The quantity of level is not less than positive integer 2；It migrates logic and realizes module, move into logic for realizing each level is corresponding；Wherein, if
The access temperature of data in storage system meets that target tier is corresponding to move into logic, and data are not stored in target tier,
Data are then moved into target tier；Target tier is any one level in storage system.
As it can be seen that the corresponding Data Migration logic of different levels is moved into for data and is patrolled in storage system provided by the present application
Volume, in this way when needing to carry out Data Migration, it is only necessary to determine the corresponding data of which level of the data fit for needing to migrate are moved
Enter logic, so that it may the data migrated will be needed to move into wherein.Simultaneously as being that the corresponding data of each level are moved into and patrolled
Volume, therefore when newly-increased level, it is only necessary to realize that corresponding data move into logic for newly-increased level, without changing other
The corresponding data of level move into logic, will so reduce code development quantity, also improve storage system scalability and flexibly
Property.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of existing storage system schematic diagram disclosed in the present application；
Fig. 2 is the first storage system schematic diagram disclosed in the present application；
Fig. 3 is second of storage system schematic diagram disclosed in the present application；
Fig. 4 is the third storage system schematic diagram disclosed in the present application；
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
In current storage system, when needing newly-increased level, need to realize corresponding Data Migration logic for level,
It also needs to realize migration logic related with newly-increased level respectively under original level simultaneously, it is clear that will increase system update in this way
The exploitation amount of code reduces the scalability and flexibility of storage system.For this purpose, this application provides a kind of storage system, energy
Code development quantity is enough reduced, the scalability and flexibility of storage system are improved.
Shown in Figure 2, the embodiment of the present application discloses the first storage system, comprising:
Hierarchical block 201, for being distributed the disk in the storage system to different levels according to disk type；It is different
Level is used to store the data of different access temperature；The quantity of level is not less than positive integer 2；
It migrates logic and realizes module 202, move into logic for realizing each level is corresponding；
Wherein, if the access temperature of the data in storage system meets, target tier is corresponding to move into logic, and data are not
It is stored in target tier, then data are moved into target tier；Target tier is any one level in storage system.
In the present embodiment, the hierarchical logic of storage system Data Migration logic corresponding with each level mutually decouples, and two
Person is independent of each other, therefore the increase of level does not influence the Data Migration logic of other levels.Certainly, different levels can also correspond to
Identical to move into logic, such as: the first level and the second level corresponding first moves into logic, in such cases, the first level and
Second level is essentially same level.
In the present embodiment, disk type includes at least: SSD disk, Enterprise disk and Near Line disk.Wherein,
SSD (Solid State Disk) disk, that is, solid-state disk, readwrite performance are best；Enterprise disk, that is, HDD (Hard Disk
Drive) disk, readwrite performance take second place；Near Line disk, that is, tape reel, readwrite performance are worst.It certainly, can be in storage system
Including other kinds of disk.
In a specific embodiment, each level corresponds to the disk of multiple disk types of the same race.That is, same
The disk of type can have multiple models.Such as: if the first level corresponds to SSD disk, then SSD disk may include various types of
SSD disk, such as: NVMe SSD, M.2SSD, 3Dx SSD.
It should be noted that disk and the indirect corresponding relationship of the corresponding relationship of level, but logic corresponding relationship.Specifically
, within the storage system, the disk of same type constitutes disk array (Redundant Arrays of Independent
Disks, RAID), similar and different disk array may make up all free memories in storage system；All can be used is deposited
Storage space virtual is storage pool, storage volume is divided in storage pool, these storage volume for storing data, have with physical disk
Logic corresponding relationship.Wherein, the memory space that same storage volume includes generally is made of the segment space of different disk, therefore number
When according to being stored in same storage volume, substantially it is potentially stored on different physical disks.Such as: a certain storage volume memory space is total
10M, wherein 3M corresponds to disk 1, and 3M corresponds to disk 2, and 4M corresponds to disk 3.Therefore when data are stored in current storage volume, data
It is potentially stored in disk 1, disk 2 or disk 3.And when data are stored at 1 corresponding space of disk, it is believed that data are stored in
On disk 1；If the corresponding level of disk 1 is the first level, data are stored in the first level, therefore the first level and disk 1
With logic corresponding relationship.
As it can be seen that the embodiment of the present application discloses the first storage system, within the system, the corresponding data of different levels are moved
Moving logic is that data move into logic, in this way when needing to carry out Data Migration, it is only necessary to determine where is the data fit for needing to migrate
The corresponding data of a level move into logic, so that it may the data migrated will be needed to move into wherein.Simultaneously as being each level pair
A data are answered to move into logic, therefore when newly-increased level, it is only necessary to realize that corresponding data move into logic i.e. for newly-increased level
Can, logic is moved into without changing the corresponding data of other levels, code development quantity will be so reduced, and also improve storage system
Scalability and flexibility.
Shown in Figure 3, the embodiment of the present application discloses second of storage system, comprising:
Hierarchical block 301, for being distributed the disk in the storage system to different levels according to disk type；It is different
Level is used to store the data of different access temperature；The quantity of level is not less than positive integer 2；
It migrates logic and realizes module 302, move into logic for realizing each level is corresponding；
Wherein, if the access temperature of the data in storage system meets, target tier is corresponding to move into logic, and data are not
It is stored in target tier, then data are moved into target tier；Target tier is any one level in storage system；
Task scheduling modules 303 for management level and move into logic.
In the present embodiment, task scheduling modules are specifically used for creating new level, and detailed process includes: that acquisition user is defeated
The corresponding target of request to create and target tier of the target tier entered moves into logic；Destination layer is created according to request to create
Grade, and establish target tier and target moves into corresponding relationship between logic；Target is moved into logic and is added to migration logic reality
Existing module.
In the present embodiment, task scheduling modules are specifically used for deleting level, and detailed process includes: to obtain user to input
The removal request of target tier；Realize that delete target is moved in module according to removal request delete target level, and from migration logic
Enter logic.
In the present embodiment, task scheduling modules are specifically used for the corresponding relationship between adjustment disk and level, specific mistake
Journey includes: to obtain the level adjustment request of the target disk of user's input；Determine that target disk adjusts according to level adjustment request
Purpose level；Target disk is distributed to purpose level.
In the present embodiment, specifically for updating, any one level is corresponding to move into logic, specific mistake to task scheduling modules
Journey includes: the update request for receiving the target that user inputs and moving into logic；Logic is moved into according to request more fresh target is updated, is used in combination
Updated target moves into the target before logic replacement updates and moves into logic.
Certainly, storage system further include: human-computer interaction module, for obtain user input request to create, removal request,
Level adjustment request and update request.The human-computer interaction module is also used to: showing the different levels and the different levels
It is corresponding to move into logic.
Therefore second of storage system of the present embodiment, within the system, the corresponding Data Migration logic of different levels
Logic is moved into for data, in this way when needing to carry out Data Migration, it is only necessary to determine which level of the data fit for needing to migrate
Corresponding data move into logic, so that it may the data migrated will be needed to move into wherein.Simultaneously as being that each level is one corresponding
Data move into logic, therefore when newly-increased level, it is only necessary to realize that corresponding data move into logic for newly-increased level, and nothing
The corresponding data of other levels need to be changed and move into logic, code development quantity will be so reduced, and also improve expanding for storage system
Malleability and flexibility.
Shown in Figure 4, the embodiment of the present application discloses the third storage system, comprising:
Hierarchical block 401, for being distributed the disk in the storage system to different levels according to disk type；It is different
Level is used to store the data of different access temperature；The quantity of level is not less than positive integer 2；
It migrates logic and realizes module 402, move into logic for realizing each level is corresponding；
Wherein, if the access temperature of the data in storage system meets, target tier is corresponding to move into logic, and data are not
It is stored in target tier, then data are moved into target tier；Target tier is any one level in storage system；
Task scheduling modules 403 for management level and move into logic.
Wherein, the memory space in storage system can be divided into multiple levels by hierarchical block, such as the level 1 in Fig. 4, layer
Grade 2, level 3 ... level N；Migration logic realizes that module moves into logic for realizing each level is corresponding, such as moving into Fig. 4
Logic 1 moves into logic 2, moves into logic 3 ... and move into logic N；Wherein, it is corresponding with level 1 to move into logic 1, moves into logic 2
It is corresponding with level 2 to move into logic 3 and level 3 is corresponding ... to move into logic N and level N is corresponding, N is positive integer.
In storage system provided in this embodiment, the process for executing Data Migration can be with are as follows:
The access temperature for determining a certain data judges that the access temperature meets which level is corresponding to move into logic；When true
The access temperature of fixed number evidence meets that target tier is corresponding to move into logic, and data are not stored in target tier, then by the data
Move into target tier；Target tier is any one level in storage system.Wherein, which is moved into target tier, essence
On be to move into data in the corresponding disk of target tier.When the access temperature for determining data meets, target tier is corresponding to be moved into
Logic, but data have been stored in target tier, then without migrating the data.That is, target tier is corresponding to move into logic
It is for the data for being not stored in target tier.
Such as: if the corresponding condition of moving into of level 1 is access temperature higher than 100, the corresponding condition of moving into of level 2 is access
Temperature is higher than 50 and not higher than 100, and the corresponding condition of moving into of level 3 is access temperature higher than 0 and not higher than 50；So work as data
Access temperature be 60 when, then data are moved into level 2；If the access temperature of the data changes between 60 to 90, the number
According to without being migrated；If the access temperature of the data is changed to 103, by the Data Migration to level 1.Wherein, data
Access the access times etc. that temperature can be data.
Therefore present embodiment discloses the third storage systems, within the system, the corresponding data of different levels are moved
Moving logic is that data move into logic, in this way when needing to carry out Data Migration, it is only necessary to determine where is the data fit for needing to migrate
The corresponding data of a level move into logic, so that it may the data migrated will be needed to move into wherein.Simultaneously as being each level pair
A data are answered to move into logic, therefore when newly-increased level, it is only necessary to realize that corresponding data move into logic i.e. for newly-increased level
Can, logic is moved into without changing the corresponding data of other levels, code development quantity will be so reduced, and also improve storage system
Scalability and flexibility.
This application involves " first ", " second ", " third ", the (if present)s such as " the 4th " be for distinguishing similar right
As without being used to describe a particular order or precedence order.It should be understood that the data used in this way in the appropriate case can be with
It exchanges, so that the embodiments described herein can be implemented with the sequence other than the content for illustrating or describing herein.In addition,
Term " includes " and " having " and their any deformation, it is intended that cover and non-exclusive include.
It should be noted that the description for being related to " first ", " second " etc. in this application is used for description purposes only, and cannot
It is interpreted as its relative importance of indication or suggestion or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment
Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution
Will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not this application claims
Protection scope within.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of readable storage medium storing program for executing well known in field.
Specific examples are used herein to illustrate the principle and implementation manner of the present application, and above embodiments are said
The bright core concept for being merely used to help understand the application；At the same time, for those skilled in the art, according to the application's
Thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as
Limitation to the application.
Claims (10)
1. a kind of storage system characterized by comprising
Hierarchical block, for being distributed the disk in the storage system to different levels according to disk type；The different layers
Grade is for storing the data of different access temperature；The quantity of the level is not less than positive integer 2；
It migrates logic and realizes module, move into logic for realizing each level is corresponding；
Wherein, if the access temperature of the data in the storage system meets, target tier is corresponding to move into logic, and the number
According to the target tier is not stored in, then the data are moved into the target tier；The target tier is storage system
Any one level in system.
2. storage system according to claim 1, which is characterized in that further include:
Task scheduling modules, for managing the level and described moving into logic.
3. storage system according to claim 2, which is characterized in that the task scheduling modules are specifically used for:
The request to create and the corresponding target of the target tier for obtaining the target tier of user's input move into logic；
The target tier is created according to the request to create, and establishes the target tier and the target is moved between logic
Corresponding relationship；
The target is moved into logic and is added to the migration logic realization module.
4. storage system according to claim 3, which is characterized in that the task scheduling modules are specifically used for:
Obtain the removal request of the target tier of user's input；
The target tier is deleted according to the removal request, and realizes that deleting the target in module moves from the migration logic
Enter logic.
5. storage system according to claim 2, which is characterized in that the task scheduling modules are specifically used for:
Obtain the level adjustment request of the target disk of user's input；
The purpose level of the target disk adjustment is determined according to the level adjustment request；
The target disk is distributed to the purpose level.
6. storage system according to claim 3, which is characterized in that the task scheduling modules are specifically used for:
The target for receiving user's input moves into the update request of logic；
The target is updated according to update request and moves into logic, and is moved into before logic replacement updates with updated target
Target moves into logic.
7. storage system according to any one of claims 1 to 6, which is characterized in that the disk type includes at least:
SSD disk, Enterprise disk and Near Line disk.
8. storage system according to claim 1, which is characterized in that each level corresponds to the magnetic of multiple disk types of the same race
Disk.
9. storage system according to claim 2, which is characterized in that further include:
Human-computer interaction module, for obtaining request to create, removal request, level adjustment request and the update request of user's input.
10. storage system according to claim 9, which is characterized in that the human-computer interaction module is also used to:
It shows the different levels and the different levels is corresponding moves into logic.
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| CN201910784502.0A CN110515947A (en) | 2019-08-23 | 2019-08-23 | A kind of storage system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111708759A (en) * | 2020-06-12 | 2020-09-25 | 北京思特奇信息技术股份有限公司 | Optimization method and system for big table data migration |
| CN112667160A (en) * | 2020-12-25 | 2021-04-16 | 深圳创新科技术有限公司 | Rapid equalization method and device for mass storage system |
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| CN103631931A (en) * | 2013-12-06 | 2014-03-12 | 浪潮(北京)电子信息产业有限公司 | Method and system for hierarchically storing data |
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| CN111708759A (en) * | 2020-06-12 | 2020-09-25 | 北京思特奇信息技术股份有限公司 | Optimization method and system for big table data migration |
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