CN108874320A - Simplification volume setting method, device, equipment and computer readable storage medium - Google Patents
Simplification volume setting method, device, equipment and computer readable storage medium Download PDFInfo
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- CN108874320A CN108874320A CN201810689411.4A CN201810689411A CN108874320A CN 108874320 A CN108874320 A CN 108874320A CN 201810689411 A CN201810689411 A CN 201810689411A CN 108874320 A CN108874320 A CN 108874320A
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- simplification volume
- volume
- simplification
- data object
- space capacity
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Classifications
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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
- G06F3/0608—Saving storage space on storage systems
-
- 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
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/0644—Management of space entities, e.g. partitions, extents, pools
-
- 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
- G06F3/0671—In-line storage system
- G06F3/0683—Plurality of storage devices
- G06F3/0689—Disk arrays, e.g. RAID, JBOD
Abstract
The invention discloses a kind of simplification volume setting method, device, equipment and computer readable storage mediums；This programme is after receiving setting instruction, and will create one has associated empty data object with simplification volume, which has been filled, and occupies memory space, i.e., the simplification volume substantially has been converted into common volume；Therefore, subsequent when executing I/O operation to former simplification volume again, allocation space is not needed, respective operations directly can be executed to newly created empty data object.In this way, the case where even if global storage is used completely, but simplification volume still has available remaining space capacity, is not in over capacity distribution.
Description
Technical field
The present invention relates to simplification volume configuration technology field, more specifically to a kind of simplification volume setting method, device,
Equipment and computer readable storage medium.
Background technique
Simplification volume is the volume with automatic simplify configuration, and commonly rolling up is the volume without automatic simplify configuration.Each volume can be with
Regard a Logical Disk as, can be the Logical Disk of a physical hard disk, that is, our D disk, E disk these disks for being immediately seen
Symbol is also possible to 1 array of RAID 0 or RAID of the segment space composition of two hard disks or two hard disks, or more hard disk groups
It at other 5 arrays of RAID, but is all apparently a local disk.Automatic simplify configuration is a new capacity distribution
Technology will not disposably divide excessive space to a certain application, but apply practically necessary capacity according to this, more
It is secondary it is a small amount of distribute to application program, when the generated data of this application increase, the volume space of distribution it is inadequate when
It waits, system can supplement distributes a part of memory space from the storage pool of rear end again.
Since simplification volume is the volume with automatic simplify configuration, when distributing the size of volume in the early stage, magnetic will not be occupied
The physical space of disk with the use of simplification volume, then gradually occupies the physical space of disk.For example distribute simplifying for a 10TB
Volume, at this point, the practical physical space occupied of the volume is 0, and with the use of the volume, which just can occupancy actual physics gradually
Space.And commonly roll up without automatic simplify configuration, when distributing the size of volume in the early stage, disk space is just occupied, institute
With space hold can be just perceived after being assigned.Both volumes are relatively independent at present, are not mutually converted
Ability.And under most of environment, user uses simplification volume.But although automatic simplify configuration saves space, but using
In the process easily excess distribute, be easy cluster without real space in the case where, reallocation space comes out, and causes to store
It is unavailable.And when storage uses full, many simplification volumes are all full there are no writing, and each simplification volume cannot carry out IO again at this time.
Summary of the invention
The purpose of the present invention is to provide a kind of simplification volume setting method, device, equipment and computer readable storage medium,
To avoid the distribution of simplification volume over capacity, cause storage that can not execute I/O operation with simplification volume when expiring.
To achieve the above object, the embodiment of the invention provides following technical solutions：
A kind of simplification volume setting method, including：
Receive the setting instruction that simplification volume is converted to and is commonly rolled up；
According to the remaining space capacity of the simplification volume, creation has associated empty data object with the simplification volume；
The empty data object is filled, so as to the direct sky after filling of the operation of the simplification volume remaining space capacity
It is executed on data object.
Wherein, according to the remaining space capacity of the simplification volume, creation has associated empty data pair with the simplification volume
As, including：
Determine the gross space capacity and use space capacity of the simplification volume；
According to the gross space capacity and the use space capacity, the remaining space capacity of the simplification volume is calculated；
According to the remaining space capacity of the simplification volume, creation has associated empty data object with the simplification volume.
Wherein, according to the remaining space capacity of the simplification volume, creation has associated empty data pair with the simplification volume
As, including：
According to the remaining space capacity of the simplification volume, naming method identical as the former data object of the simplification volume is created
Empty data object.
Wherein, the filling empty data object, including：Filling is executed to empty data object using Truncate algorithm
Operation.
A kind of simplification volume setting device, including：
Simplification volume is converted to the setting commonly rolled up instruction for receiving by command reception module；
Object Creation module, for the remaining space capacity according to the simplification volume, creation has with the simplification volume is closed
The empty data object of connection；
Module is filled, for filling the empty data object, so that straight to the operation of the simplification volume remaining space capacity
It connects and is executed on empty data object after filling.
Wherein, the Object Creation module, including：
Determination unit, for determining the gross space capacity and use space capacity of the simplification volume；
Computing unit, for calculating the simplification volume according to the gross space capacity and the use space capacity
Remaining space capacity；
Creating unit, for the remaining space capacity according to the simplification volume, creation has associated with the simplification volume
Empty data object.
Wherein, the creating unit is specifically used for the remaining space capacity according to the simplification volume, and creation is simplified with described
The empty data object of the identical naming method of former data object of volume.
Wherein, the filling module is specifically used for executing padding to empty data object using Truncate algorithm.
A kind of simplification volume setting equipment, including：
Memory, for storing computer program；Processor realizes above-mentioned simplify when for executing the computer program
The step of rolling up setting method.
A kind of computer readable storage medium is stored with computer program on the computer readable storage medium, described
The step of above-mentioned simplification volume setting method is realized when computer program is executed by processor.
By above scheme it is found that a kind of simplification volume setting method provided in an embodiment of the present invention, including：Reception will simplify
Volume switching is the setting instruction commonly rolled up；According to the remaining space capacity of the simplification volume, creation has with the simplification volume is closed
The empty data object of connection；The empty data object is filled, so that the operation to the simplification volume remaining space capacity is directly being filled out
It is executed on empty data object after filling.
As it can be seen that will create one has associated empty data object with simplification volume after this programme receives setting instruction,
The sky data object has been filled, and occupies memory space, i.e., the simplification volume substantially has been converted into common volume；Therefore, subsequent
When executing I/O operation to simplification volume again, allocation space is not needed, respective operations directly can be executed to newly created empty data object.
In this way, even if global storage is used completely, but simplification volume still has available remaining space capacity, is not in super
The case where capacity distributes.
The invention also discloses a kind of simplification volume setting device, equipment and computer readable storage mediums, are equally able to achieve
Above-mentioned technical effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, 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
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of simplification volume setting method structural schematic diagram disclosed by the embodiments of the present invention；
Fig. 2 is that apparatus structure schematic diagram is arranged in a kind of simplification volume disclosed by the embodiments of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of simplification volume setting method, device, equipment and computer readable storage medium, with
It avoids simplification volume over capacity from distributing, causes storage that can not execute I/O operation with simplification volume when expiring.
Referring to Fig. 1, a kind of simplification volume setting method provided in an embodiment of the present invention, including：
Simplification volume is converted to the setting instruction commonly rolled up by S101, reception；
Specifically, the setting in the present embodiment instructs, and it is the movement for setting simplification volume to commonly to roll up of user's triggering, it can
Including switching or instruct, such as：Switch is mainly the operation of operation interface layer, and the state of only ON/OFF is changed, and is instructed
Refer to the instruction for needing Linux command row to input.
S102, the remaining space capacity according to the simplification volume, creation have associated empty data pair with the simplification volume
As；
Wherein, according to the remaining space capacity of the simplification volume, creation has associated empty data pair with the simplification volume
As, including：
Determine the gross space capacity and use space capacity of the simplification volume；
According to the gross space capacity and the use space capacity, the remaining space capacity of the simplification volume is calculated；
According to the remaining space capacity of the simplification volume, naming method identical as the former data object of the simplification volume is created
Empty data object.
Specifically, each simplification volume is all that no data object generates in creation, but writing with data
Enter, data object can be generated, every 4M is an object under normal circumstances.For example create the simplification volume of a 10GB, reality
Capacity only has 0GB, and the data of 1GB are at this moment write to the inside, then produces (1024MB/4MB) a object, and at this moment this volume actually accounts for
With the space 1GB.
In the present embodiment, when creating empty data object, need to obtain the total capacity of simplification volume and having used for simplification volume
Capacity, i.e. gross space capacity and use space capacity, by the remaining space capacity that simplification volume is calculated；It calculates remaining empty
Between the calculation of capacity be：Remaining space capacity=volume total capacity-volume capacity.It is to be appreciated that in the present embodiment
Only enumerate a kind of specific mode for obtaining remaining space capacity, other modes equally can be with, such as：It is directly acquired by program
The mode etc. of the remaining space capacity of simplification volume is not specific herein to limit.
It, can be according to the naming method and volume of the data object of former simplification volume after the remaining space capacity for determining simplification volume
Remaining space create empty data object, i.e.,：The naming method of newly created sky data object is the data pair with former simplification volume
The naming method of elephant is identical.By this naming method, being associated with for newly created empty data object and simplification volume may be implemented
System, allows the data object being newly created that meet the search rule of simplification volume, look into it can in the subsequent execution operation to simplification volume
Find newly created data object.
S103, the filling empty data object, so that the operation to the simplification volume remaining space capacity is directly being filled
It is executed on empty data object afterwards.
Wherein, the filling empty data object, including：Filling is executed to empty data object using Truncate algorithm
Operation.
Specifically, the sky data object is no capacity after creating sky data object, size is 0, in order to allow sky data
Object occupies memory space, can be filled by Truncate, and the logical capacity of the remaining space of volume is filled up.It goes to look into again at this time
See the volume, property just has become common volume, that is to say, that the total capacity of former simplification volume is all filled.It should be noted that
Filling to empty data object, be in order to which this segment space is first occupied, but it is practical there is no data, after when continuing data, can
This data object is carried out covering to write, after filling in this way, the remaining space of simplification volume is just seen, also would not be again
The person of being managed dispenses.
It in summary it can be seen, in a kind of simplification volume setting method provided in this embodiment, by pressing in distributed storage
According to the naming method of the object of simplification volume, empty object is created in simplification volume residual capacity, and by obj ect file truncate, is filled out
Remaining space is filled, the logical capacity of simplification volume is made to be filled (physical capacity is simultaneously unfilled), is subsequent IO reserved space.Because
The object created meets the former naming method for simplifying volume object, so subsequent IO is all based on the object created and carries out
Covering is write, to prevent simplification volume volume from writing half and cannot carry out IO again with full because of global storage.
Simplification volume provided in an embodiment of the present invention setting device is introduced below, simplification volume setting dress described below
Setting can be cross-referenced with above-described simplification volume setting method.
Referring to fig. 2, device is arranged in a kind of simplification volume provided in an embodiment of the present invention, including：
Simplification volume is converted to the setting commonly rolled up instruction for receiving by command reception module 100；
Object Creation module 200, for the remaining space capacity according to the simplification volume, creation has with the simplification volume
Associated sky data object；
Module 300 is filled, for filling the empty data object, so that the operation to the simplification volume remaining space capacity
It is executed on empty data object directly after filling.
Wherein, the Object Creation module, including：
Determination unit, for determining the gross space capacity and use space capacity of the simplification volume；
Computing unit, for calculating the simplification volume according to the gross space capacity and the use space capacity
Remaining space capacity；
Creating unit, for the remaining space capacity according to the simplification volume, creation has associated with the simplification volume
Empty data object.
Wherein, the creating unit is specifically used for the remaining space capacity according to the simplification volume, and creation is simplified with described
The empty data object of the identical naming method of former data object of volume.
Wherein, the filling module is specifically used for executing padding to empty data object using Truncate algorithm.
The embodiment of the present invention also provides a kind of simplification volume setting equipment, including：
Memory, for storing computer program；Processor realizes above-mentioned simplify when for executing the computer program
The step of rolling up setting method embodiment.
The embodiment of the present invention also provides a kind of computer readable storage medium, stores on the computer readable storage medium
There is the step of computer program, the computer program realizes above-mentioned simplification volume setting method embodiment when being executed by processor.
Wherein, which may include：USB flash disk, mobile hard disk, read-only memory (Read-Only Memory,
ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. are various can store program
The medium of code.
It in summary it can be seen, in a kind of simplification volume setting device, equipment and computer-readable storage provided in this embodiment
Medium can create empty object according to the naming method of the object of simplification volume in simplification volume residual capacity, and by obj ect file
Truncate fills remaining space.So that the logical capacity of simplification volume is filled (physical capacity is simultaneously unfilled), is that subsequent IO is pre-
Spacing.Because the object created meets the former naming method for simplifying volume object, subsequent IO, which is all based on, have been created
The object built carries out covering and writes, to prevent simplification volume volume from writing half and cannot carry out IO again with full because of global storage.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of simplification volume setting method, which is characterized in that including：
Receive the setting instruction that simplification volume is converted to and is commonly rolled up；
According to the remaining space capacity of the simplification volume, creation has associated empty data object with the simplification volume；
The empty data object is filled, so as to the direct empty data after filling of the operation of the simplification volume remaining space capacity
It is executed on object.
2. simplification volume setting method according to claim 1, which is characterized in that held according to the remaining space of the simplification volume
Amount, creation have associated empty data object with the simplification volume, including：
Determine the gross space capacity and use space capacity of the simplification volume；
According to the gross space capacity and the use space capacity, the remaining space capacity of the simplification volume is calculated；
According to the remaining space capacity of the simplification volume, creation has associated empty data object with the simplification volume.
3. simplification volume setting method according to claim 2, which is characterized in that held according to the remaining space of the simplification volume
Amount, creation have associated empty data object with the simplification volume, including：
According to the remaining space capacity of the simplification volume, the sky of naming method identical as the former data object of the simplification volume is created
Data object.
4. simplification volume setting method as claimed in any of claims 1 to 3, which is characterized in that described in the filling
Empty data object, including：
Padding is executed to empty data object using Truncate algorithm.
5. device is arranged in a kind of simplification volume, which is characterized in that including：
Simplification volume is converted to the setting commonly rolled up instruction for receiving by command reception module；
Object Creation module, for the remaining space capacity according to the simplification volume, creation has associated with the simplification volume
Empty data object；
Module is filled, for filling the empty data object, so as to directly exist to the operation of the simplification volume remaining space capacity
It is executed on filled sky data object.
6. device is arranged in simplification volume according to claim 5, which is characterized in that the Object Creation module, including：
Determination unit, for determining the gross space capacity and use space capacity of the simplification volume；
Computing unit, for calculating the residue of the simplification volume according to the gross space capacity and the use space capacity
Spatial content；
Creating unit, for the remaining space capacity according to the simplification volume, creation has associated empty number with the simplification volume
According to object.
7. device is arranged in simplification volume according to claim 6, which is characterized in that the creating unit is specifically used for according to institute
The remaining space capacity of simplification volume is stated, the empty data object of naming method identical as the former data object of the simplification volume is created.
8. device is arranged in the simplification volume according to any one of claim 5 to 7, which is characterized in that the filling module
Specifically for executing padding to empty data object using Truncate algorithm.
9. equipment is arranged in a kind of simplification volume, which is characterized in that including：
Memory, for storing computer program；
Processor realizes the simplification volume setting method as described in any one of Claims 1-4 when for executing the computer program
The step of.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program, realizing the simplification volume setting method as described in any one of Claims 1-4 when the computer program is executed by processor
Step.
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| CN201810689411.4A CN108874320A (en) | 2018-06-28 | 2018-06-28 | Simplification volume setting method, device, equipment and computer readable storage medium |
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| CN201810689411.4A CN108874320A (en) | 2018-06-28 | 2018-06-28 | Simplification volume setting method, device, equipment and computer readable storage medium |
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Application publication date: 20181123 |