CN107861693A - The OSD procedure deployments method, apparatus and medium of a kind of distributed block storage system - Google Patents
The OSD procedure deployments method, apparatus and medium of a kind of distributed block storage system Download PDFInfo
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- CN107861693A CN107861693A CN201711206450.6A CN201711206450A CN107861693A CN 107861693 A CN107861693 A CN 107861693A CN 201711206450 A CN201711206450 A CN 201711206450A CN 107861693 A CN107861693 A CN 107861693A
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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
- G06F3/0614—Improving the reliability of storage systems
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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
- G06F3/0629—Configuration or reconfiguration of storage systems
- G06F3/0631—Configuration or reconfiguration of storage systems by allocating resources to 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
- G06F3/064—Management of blocks
-
- 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]
-
- 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
- G06F3/0673—Single storage device
- G06F3/0674—Disk device
Abstract
Include the invention discloses a kind of OSD procedure deployments method, apparatus of distributed block storage system and medium, the step of this method：The space that disk is preset in system is divided to obtain the separate disk partition of logic；Target disk subregion is chosen, and obtains the UUID of target disk subregion；OSD processes are created in target disk subregion, using UUID as the carry path of OSD processes, and record the corresponding relation between UUID and OSD processes.Carry path using UUID as OSD processes, the path of target OSD processes institute carry before system reboot can be smoothly found, it is ensured that stability and availability that system is overall, and ensure that the safety of data in system.In addition, the OSD procedure deployments device of the invention for also providing a kind of distributed block storage system and medium, beneficial effect are as described above.
Description
Technical field
The present invention relates to field of data storage, more particularly to a kind of OSD procedure deployment sides of distributed block storage system
Method, device and medium.
Background technology
With the arrival in big data epoch, the added value of data is being continuously increased, for data storage performance gradually into
For enterprise's emphasis of interest.
Distributed block storage system is to handle the effective scheme of big data, and distributed block storage system can be by the thing of completion
Reason disk is divided into multiple logical partitions, is cooperateed between multiple logical partitions by means such as RAID or LVM and carries out depositing for data
Storage and backup, while data read-write efficiency is ensured, corresponding guarantee is provided to the security of data.In addition, distribution
Formula block storage system can be made up of polylith inexpensive disk, can expand power system capacity with relatively low cost.Just because of
Distributed block storage system has an above advantage, therefore distributed block storage system is in IT enterprises, cloud computing, big data, virtual
The fields such as change are widely applied.OSD processes are the responsible numbers being deployed in distributed memory system under each logical partition
According to the application process of storage service, in the current situation, when being configured to OSD processes generally with the disk partition belonging to it
Name is referred to as carry path, and OSD processes read or generated the working document of correlation under the carry path, to ensure its normal work
Make.But after the node of distributed block storage system is restarted, the drive of the disk partition of disk is it is possible that the feelings of drift
Condition, that is, the disk partition title after restarting will cause OSD processes can not find original road on startup with restarting preceding difference
Footpath and can not normally start, in turn result in the serious problems such as system crash, loss of data, reduce system resistance to overturning and can
With property and can not in guarantee system data safety.
As can be seen here, there is provided a kind of OSD procedure deployment methods of distributed block storage system, to ensure the steady of system entirety
Qualitative and availability, and in guarantee system data safety, be those skilled in the art's urgent problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of OSD procedure deployments method, apparatus of distributed block storage system and medium, protects
System overall stability and availability have been demonstrate,proved, and ensure that the safety of data in system.
In order to solve the above technical problems, the present invention provides a kind of OSD procedure deployment methods of distributed block storage system, bag
Include：
The space that disk is preset in system is divided to obtain the separate disk partition of logic；
Target disk subregion is chosen, and obtains the UUID of target disk subregion；
In target disk subregion create OSD processes, using UUID as the carry path of OSD processes, and record UUID and
Corresponding relation between OSD processes.
Preferably, after the corresponding relation between recording UUID and OSD processes, this method further comprises：
Restart system；
The UUID according to corresponding to corresponding relation obtains OSD processes, and using UUID as the carry path of OSD processes to restart
OSD processes.
Preferably, OSD processes specifically include：
OSD journal and OSD cache.
Preferably, default disk is specially SSD disks.
Preferably, after the corresponding relation between recording UUID and OSD processes, this method further comprises：
Corresponding relation is write into daily record.
Preferably, the space of each disk partition is identical.
In addition, the present invention also provides a kind of OSD procedure deployment devices of distributed block storage system, including：
Subregion division module, for being divided the space that disk is preset in system to obtain the separate magnetic of logic
Disk subregion；
Subregion chooses module, for choosing target disk subregion, and obtains the UUID of target disk subregion；
Carry logging modle, for creating OSD processes, the carry using UUID as OSD processes in target disk subregion
Path, and record the corresponding relation between UUID and OSD processes.
Preferably, the device further comprises：
Module is restarted, for restarting system；
Weight carry module, for the UUID according to corresponding to corresponding relation acquisition OSD processes, and using UUID as OSD processes
Carry path to restart OSD processes.
In addition, the present invention also provides a kind of OSD procedure deployment devices of distributed block storage system, including：
Memory, for storing computer program；
Processor, the OSD procedure deployments of distributed block storage system described above are realized during for performing computer program
The step of method.
In addition, the present invention also provides a kind of computer-readable recording medium, meter is stored with computer-readable recording medium
Calculation machine program, the OSD procedure deployment sides of distributed block storage system described above are realized when computer program is executed by processor
The step of method.
The OSD procedure deployment methods of distributed block storage system provided by the present invention, pass through the partitioning discs in disk
Subregion establishes basis to create OSD processes, and then obtains the UUID of disk partition, using the UUID as created OSD processes
Carry path and record the corresponding relation between UUID and OSD processes.Because UUID is fixed parameter after generation, no
It can be changed because of the reason such as drive drift of disk partition, therefore the carry path using UUID as OSD processes, in disk
Symbol appearance still can smoothly find the road of target OSD processes institute carry before system reboot according to corresponding relation in the case of drifting about
Footpath, i.e. UUID.Because this method can ensure that OSD processes can smoothly restart work when drive drifts about, it is ensured that being
The stability and availability for entirety of uniting, and ensure that the safety of data in system.In addition, the present invention also provides a kind of distribution
The OSD procedure deployments device and medium of block storage system, beneficial effect are as described above.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly, the required accompanying drawing used in embodiment will be done simply below
Introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill people
For member, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of the OSD procedure deployment methods of distributed block storage system provided in an embodiment of the present invention；
Fig. 2 is the flow of the OSD procedure deployment methods of another distributed block storage system provided in an embodiment of the present invention
Figure；
Fig. 3 is a kind of OSD procedure deployment structure drawing of device of distributed block storage system provided in an embodiment of the present invention.
Embodiment
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
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, for those of ordinary skill in the art under the premise of creative work is not made, what is obtained is every other
Embodiment, belong to the scope of the present invention.
The core of the present invention is to provide a kind of OSD procedure deployment methods of distributed block storage system, to ensure that system is whole
The stability and availability of body, and in guarantee system data safety.In addition, the present invention also provides a kind of distributed block storage
The OSD procedure deployments device and medium of system, beneficial effect are as described above.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Embodiment one
Fig. 1 is a kind of flow chart of the OSD procedure deployment methods of distributed block storage system provided in an embodiment of the present invention.
Fig. 1 is refer to, the specific steps of the OSD procedure deployment methods of distributed block storage system include：
Step S10：The space that disk is preset in system is divided to obtain the separate disk partition of logic.
It should be noted that this step is to carry out the space in physical disk to be divided into multiple logical spaces, it is multiple
Logical space is disk partition, independently of each other and as the work section in whole distributed block system between disk partition
Point, therefore it is divided into multiple minidisks equivalent to by a big disk on the whole.It is understood that disk partition is big
It is small to be not specifically limited herein depending on actual use demand.For disk choose can be the higher SSD of performance,
NVME type disks, or the disk of SATA types, be not specifically limited herein.
Step S11：Target disk subregion is chosen, and obtains the UUID of target disk subregion.
It should be noted that after each disk partition is divided successfully, one and the disk partition pair can be all generated
The general unique identifier answered, i.e. UUID, UUID are changeless after generation.
In practical operation, the operating process for obtaining target disk subregion UUID can be encapsulated in order, such as
Command file " by-partuuid " is generated under " 11/dev/disk " path, the associative operation for obtaining UUID is written with this document
Step, and then by performing " 11/dev/disk/by-partuuid " progress UUID acquisition, and each subregion can be adopted
Obtained with the order, ensure that the versatility of operational order.
Step S12：OSD processes are created in target disk subregion, using UUID as the carry path of OSD processes, and are remembered
Record the corresponding relation between UUID and OSD processes.
It should be noted that OSD processes are the processes related to physical store, generally corresponded with disk, due to
In this method, disk passes through division operation, therefore disk signified herein is the separate disk partition of logic.OSD processes
Need to read configuration file when being operated and generate working document, the path of OSD processes institute carry is above-mentioned for carrying
Configuration file and working document, and configuration file is had access under the path for OSD processes and working document can be just
Often work.Therefore, it can ensure that the path does not change to the full extent using UUID as the carry path of OSD processes, with
Ensure OSD processes can normal work to provide respective service for distributed block storage system.In addition, record UUID enters in OSD
The purpose of corresponding relation between journey is, after system or present node are restarted, still is able to find target OSD according to corresponding relation
The path of process institute carry, and smoothly restart target OSD processes.
The OSD procedure deployment methods of distributed block storage system provided by the present invention, pass through the partitioning discs in disk
Subregion establishes basis to create OSD processes, and then obtains the UUID of disk partition, using the UUID as created OSD processes
Carry path and record the corresponding relation between UUID and OSD processes.Because UUID is fixed parameter after generation, no
It can be changed because of the reason such as drive drift of disk partition, therefore the carry path using UUID as OSD processes, in disk
Symbol appearance still can smoothly find the road of target OSD processes institute carry before system reboot according to corresponding relation in the case of drifting about
Footpath, i.e. UUID.Because this method can ensure that OSD processes can smoothly restart work when drive drifts about, it is ensured that being
The stability and availability for entirety of uniting, and ensure that the safety of data in system.
Embodiment two
Fig. 2 is the flow of the OSD procedure deployment methods of another distributed block storage system provided in an embodiment of the present invention
Figure.Step S10 to S12 is identical with Fig. 1 in Fig. 2, will not be repeated here.
As shown in Fig. 2 as a preferred embodiment, after the corresponding relation between recording UUID and OSD processes,
This method further comprises：
Step S20：Restart system.
Step S21：The UUID according to corresponding to corresponding relation obtains OSD processes, and the carry road using UUID as OSD processes
Footpath is to restart OSD processes.
It is understood that using disk partition drive as during the situation in OSD process carries path, can after restarting system
The situation of the drive drift of disk partition can occur, cause OSD processes can not normal work.Due to this method using UUID as
The carry path of OSD processes, and UUID is being exactly fixed at the beginning of disk partition divides and will not changed because the reason such as restarting
Become, therefore the carry path of wherein any OSD processes can be found after system reboot according to corresponding relation, and carry path is equal
It is effective, ensure that the normal work of OSD processes.
In addition, as a preferred embodiment, OSD processes specifically include：
OSD journal and OSD cache.
It should be noted that OSD journal effect is that in advance the data of storage are carried out with log recording, and can be
Recorded data is merged in write-in disk after regular hour, therefore when the data write every time are smaller, OSD
Journal first data can be merged with avoid single small data frequently deposit write-in disk caused by write amplification phenomenon,
And because OSD journal have the characteristic of sequential write, it is possible to increase the write efficiency of data.Further, since OSD cache
Interactive efficiency between processor is higher, therefore the read-write efficiency for data can be improved by OSD cache.In order to most
The process performance of the raising distributed block storage system of big degree, OSD journal and OSD cache can be distributed simultaneously
Use in formula block storage system, be not specifically limited herein.
In addition, as a preferred embodiment, default disk is specially SSD disks.
SSD disks compared with ordinary magnetic disc, for the read access time of data fix by SSD disks, will not be by disk fragmentses
Influence, and there is higher writing speed, therefore can be improved in disk partition using SSD disks and restart speed
Degree and the treatment effeciency to data.
In addition, as a preferred embodiment, after the corresponding relation between recording UUID and OSD processes, the party
Method further comprises：
Step S22：Corresponding relation is write into daily record.
It is understood that developer can be easy to pass through log acquisition OSD processes corresponding relation write-in daily record
Path carry situation, can be out of order reason when OSD process initiations break down according to the log analysis, therefore daily record can
The strong foundation as failture evacuation and subsequently optimized.
In addition, as a preferred embodiment, the space of each disk partition is identical.
It is understood that by each disk partition space in disk, identical can to have each disk partition identical
Availability, and the utilization to disk is more balanced.
Embodiment three
Hereinbefore the embodiment for the OSD procedure deployment methods of distributed block storage system has carried out detailed retouch
State, the present invention also provides a kind of OSD procedure deployment devices of distributed block storage system corresponding with this method, due to device portion
The embodiment and the embodiment of method part divided are mutually corresponding, therefore the embodiment of device part refers to the implementation of method part
The description of example, wouldn't be repeated here.
Fig. 3 is a kind of OSD procedure deployment structure drawing of device of distributed block storage system provided in an embodiment of the present invention.This
The OSD procedure deployment devices for the distributed block storage system that inventive embodiments provide, are specifically included：
Subregion division module 10, it is separate to obtain logic for being divided to the space that disk is preset in system
Disk partition.
Subregion chooses module 11, for choosing target disk subregion, and obtains the UUID of target disk subregion.
Carry logging modle 12, for creating OSD processes, the extension using UUID as OSD processes in target disk subregion
Path is carried, and records the corresponding relation between UUID and OSD processes.
The OSD procedure deployment devices of distributed block storage system provided by the present invention, pass through the partitioning discs in disk
Subregion establishes basis to create OSD processes, and then obtains the UUID of disk partition, using the UUID as created OSD processes
Carry path and record the corresponding relation between UUID and OSD processes.Because UUID is fixed parameter after generation, no
It can be changed because of the reason such as drive drift of disk partition, therefore the carry path using UUID as OSD processes, in disk
Symbol appearance still can smoothly find the road of target OSD processes institute carry before system reboot according to corresponding relation in the case of drifting about
Footpath, i.e. UUID.Because the present apparatus can ensure that OSD processes can smoothly restart work when drive drifts about, it is ensured that being
The stability and availability for entirety of uniting, and ensure that the safety of data in system.
On the basis of embodiment three, the device also includes：
Module is restarted, for restarting system.
Weight carry module, for the UUID according to corresponding to corresponding relation acquisition OSD processes, and using UUID as OSD processes
Carry path to restart OSD processes.
Example IV
The present invention also provides a kind of OSD procedure deployment devices of distributed block storage system, including：
Memory, for storing computer program；
Processor, the OSD procedure deployments of distributed block storage system described above are realized during for performing computer program
The step of method.
The OSD procedure deployment devices of distributed block storage system provided by the present invention, pass through the partitioning discs in disk
Subregion establishes basis to create OSD processes, and then obtains the UUID of disk partition, using the UUID as created OSD processes
Carry path and record the corresponding relation between UUID and OSD processes.Because UUID is fixed parameter after generation, no
It can be changed because of the reason such as drive drift of disk partition, therefore the carry path using UUID as OSD processes, in disk
Symbol appearance still can smoothly find the road of target OSD processes institute carry before system reboot according to corresponding relation in the case of drifting about
Footpath, i.e. UUID.Because the present apparatus can ensure that OSD processes can smoothly restart work when drive drifts about, it is ensured that being
The stability and availability for entirety of uniting, and ensure that the safety of data in system.
The present invention also provides a kind of computer-readable recording medium, and computer journey is stored with computer-readable recording medium
Sequence, the step of the OSD procedure deployment methods of distributed block storage system described above is realized when computer program is executed by processor
Suddenly.
The computer-readable recording medium of the OSD procedure deployments of distributed block storage system provided by the present invention, passes through
Partitioning discs subregion establishes basis to create OSD processes in disk, and then obtains the UUID of disk partition, and the UUID is made
By establishment OSD processes carry path and record the corresponding relation between UUID and OSD processes.Because UUID is after generation
For fixed parameter, will not be changed because of reasons such as the drive drifts of disk partition, therefore using UUID as OSD processes
Carry path, target OSD before system reboot still can be smoothly found according to corresponding relation in the case where drift occurs in drive
The path of process institute carry, i.e. UUID.Because this computer-readable recording medium can ensure that OSD processes can be drifted about in drive
Shi Shunli restarts work, it is ensured that stability and availability that system is overall, and ensure that the safety of data in system.
Above to the OSD procedure deployments method, apparatus and medium of a kind of distributed block storage system provided by the present invention
It is described in detail.Each embodiment is described by the way of progressive in specification, and what each embodiment stressed is
With the difference of other embodiment, between each embodiment identical similar portion mutually referring to.Disclosed for embodiment
Device for, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method
Part illustrates.It should be pointed out that for those skilled in the art, before the principle of the invention is not departed from
Put, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into the guarantor of the claims in the present invention
In the range of shield.
It should also be noted that, in this manual, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except other identical element in the process including the key element, method, article or equipment being also present.
Claims (10)
1. a kind of OSD procedure deployment methods of distributed block storage system, it is characterised in that including：
The space that disk is preset in system is divided to obtain the separate disk partition of logic；
Target disk subregion is chosen, and obtains the UUID of the target disk subregion；
OSD processes are created in the target disk subregion, using the UUID as the carry path of the OSD processes, and are remembered
Record the corresponding relation between the UUID and the OSD processes.
2. according to the method for claim 1, it is characterised in that recorded described between the UUID and the OSD processes
Corresponding relation after, this method further comprises：
Restart the system；
The UUID according to corresponding to the corresponding relation obtains the OSD processes, and using the UUID as the OSD processes
Carry path to restart the OSD processes.
3. according to the method for claim 1, it is characterised in that the OSD processes specifically include：
OSD journal and OSD cache.
4. according to the method for claim 1, it is characterised in that the default disk is specially SSD disks.
5. according to the method for claim 1, it is characterised in that recorded described between the UUID and the OSD processes
Corresponding relation after, this method further comprises：
The corresponding relation is write into daily record.
6. according to the method described in claim 1-5 any one, it is characterised in that the space of each disk partition is identical.
A kind of 7. OSD procedure deployment devices of distributed block storage system, it is characterised in that including：
Subregion division module, divided for being divided to the space that disk is preset in system with obtaining the separate disk of logic
Area；
Subregion chooses module, for choosing target disk subregion, and obtains the UUID of the target disk subregion；
Carry logging modle, for creating OSD processes in the target disk subregion, enter using the UUID as the OSD
The carry path of journey, and record the corresponding relation between the UUID and the OSD processes.
8. device according to claim 7, it is characterised in that the device further comprises：
Module is restarted, for restarting the system；
Weight carry module, for the UUID corresponding to obtaining the OSD processes according to the corresponding relation, and by the UUID
As the carry path of the OSD processes to restart the OSD processes.
A kind of 9. OSD procedure deployment devices of distributed block storage system, it is characterised in that including：
Memory, for storing computer program；
Processor, realize that the distributed block as described in any one of claim 1 to 6 stores during for performing the computer program
The step of OSD procedure deployment methods of system.
10. a kind of computer-readable recording medium, it is characterised in that be stored with computer on the computer-readable recording medium
Program, the distributed block storage system as described in any one of claim 1 to 6 is realized when the computer program is executed by processor
The step of OSD procedure deployment methods of system.
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| CN108845772A (en) * | 2018-07-11 | 2018-11-20 | 郑州云海信息技术有限公司 | A kind of hard disc failure processing method, system, equipment and computer storage medium |
| CN109324809A (en) * | 2018-10-09 | 2019-02-12 | 郑州云海信息技术有限公司 | A kind of data processing method and device |
| CN110008064A (en) * | 2019-04-10 | 2019-07-12 | 苏州浪潮智能科技有限公司 | A kind of RAID restoration methods, device, equipment and medium |
| CN110688068A (en) * | 2019-09-20 | 2020-01-14 | 浪潮电子信息产业股份有限公司 | Storage system write operation processing method, device, equipment and storage medium |
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