CN113608683B - Dual-live-disk cleaning method, system and related device - Google Patents
Dual-live-disk cleaning method, system and related device Download PDFInfo
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- 238000004140 cleaning Methods 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000000737 periodic effect Effects 0.000 claims description 15
- 230000009977 dual effect Effects 0.000 claims description 13
- 238000004590 computer program Methods 0.000 claims description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007726 management method Methods 0.000 description 17
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
- G06F11/2094—Redundant storage or storage space
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/903—Querying
- G06F16/90335—Query processing
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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
- G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
- G06F3/0652—Erasing, e.g. deleting, data cleaning, moving of data to a wastebasket
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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
- G06F3/0653—Monitoring storage devices or 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
- G06F3/0668—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
- G06F3/0676—Magnetic disk device
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
- G06F2201/80—Database-specific techniques
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Abstract
The application provides a cleaning method of double movable magnetic discs, which comprises the following steps: receiving a disk cleaning request; scanning the dual-active disk for the first time, taking the dissimilar data between a main disk and an auxiliary disk in the dual-active disk as first residual data and second residual data only stored in a database; deleting the first residual data and reporting the second residual data to the database; and secondarily scanning the dual-active magnetic disk, and deleting the second residual data when the secondary scanning data contains the same data as the second residual data. According to the method, the comparison of the data reported to the database twice continuously is carried out, so that the second residual data hidden in the database is eliminated, the usability of the dual-active disk is improved, and the quantity of the residual data under the cloud management platform is reduced. The application also provides a cleaning system of the dual-active magnetic disk, a cleaning system, a computer readable storage medium and electronic equipment, which have the beneficial effects.
Description
Technical Field
The present application relates to the field of hard disk storage, and in particular, to a method, a system, and a related apparatus for cleaning dual-active disks.
Background
In the cloud computing management platform, a lun is generally divided into disks for use as virtual machines, and if the lun fails in the use process of a common disk, the use of the virtual machines can be influenced; the virtualization technology and the virtualization management platform based on the safe and reliable server are researched and found that the advantage of using the dual-active disk is that the dual-active disk is switched to the standby disk when the main disk fails, and the data of the main disk and the auxiliary disk can be switched back at any time after the main disk is repaired, so that the problem that the virtual machine cannot be used due to disk failure is avoided, and the dual-active disk is a disk with disaster recovery capability more than that of the common disk. The dual-active disk may generate residues due to other reasons (usually failure type) in the use process, and the cleaning operation of the disk is needed, but the dual-active disk is different from the common disk in that the dual-active disk is easy to remain completely in a single main disk or auxiliary disk, so that residues are caused; the common magnetic disk can be scanned out by a disk cleaning method for finding out that the cloud management platform is inconsistent with the bottom layer; the double-live-disc complete residual disc (residual on Yun Guanping tables) cannot be scanned out, so that the cleaning action cannot be performed through the scanning of the common disc.
The existing scheme is that when the dual-active disk is left, whether the dual-active disk is left or left is inquired, then the data is deleted from a database under a cloud management platform, and then the bottom dual-active disk is scanned by the scanning action of a common disk to clean the left disk.
Disclosure of Invention
The application aims to provide a cleaning method and a cleaning system for dual-active magnetic discs, a computer readable storage medium and electronic equipment, which can effectively clean residual data in the dual-active magnetic discs.
In order to solve the technical problems, the application provides a method for cleaning a dual-active magnetic disk, which comprises the following steps:
receiving a disk cleaning request;
scanning the dual-active disk for the first time, taking the dissimilar data between a main disk and an auxiliary disk in the dual-active disk as first residual data and second residual data only stored in a database;
deleting the first residual data and reporting the second residual data to the database;
and secondarily scanning the dual-active magnetic disk, and deleting the second residual data when the secondary scanning data contains the same data as the second residual data.
Preferably, after deleting the second residual data, the method further includes:
and calling a disk cleaning instruction to delete the extra residual data corresponding to the second residual data in the computing node.
Preferably, before receiving the disk cleaning request, the method further comprises:
Creating a periodic cleaning task and configuring cleaning parameters of the periodic cleaning task;
And generating the disk cleaning request when the periodic cleaning task expires.
Preferably, if the scanned data is different from the residual data in the preset message queue, the method further includes:
and reporting the new residual data in the scanning data to the database.
Preferably, configuring the cleaning parameters of the periodic cleaning task includes:
Configuring cleaning periods in the cleaning parameters according to the number of the dual-active magnetic disks; the greater the number of dual active disks, the shorter the cleaning cycle.
Preferably, the purge cycle is greater than the creation time of the dual active disk.
The application also provides a system for cleaning the double movable magnetic discs, which is characterized by comprising the following components:
the request receiving module is used for receiving a disk cleaning request;
the disk scanning module is used for scanning the dual-active disk for the first time, taking the dissimilar data between the main disk and the auxiliary disk in the dual-active disk as first residual data and only storing second residual data in a database;
the first deleting module is used for deleting the first residual data and reporting the second residual data to the database;
And the second deleting module is used for secondarily scanning the dual-active magnetic disk, and deleting the second residual data when the fact that the secondarily scanned data contain the same data as the second residual data is confirmed.
Preferably, the method further comprises:
and the third deleting module is used for calling a disk cleaning instruction to delete the additional residual data corresponding to the second residual data in the computing node after deleting the second residual data.
The application also provides a computer readable storage medium having stored thereon a computer program which when executed by a processor implements the steps of the method as described above.
The application also provides an electronic device comprising a memory in which a computer program is stored and a processor which when calling the computer program in the memory implements the steps of the method as described above.
The application provides a cleaning method of double movable magnetic discs, which comprises the following steps: receiving a disk cleaning request; scanning the dual-active disk for the first time, taking the dissimilar data between a main disk and an auxiliary disk in the dual-active disk as first residual data and second residual data only stored in a database; deleting the first residual data and reporting the second residual data to the database; and secondarily scanning the dual-active magnetic disk, and deleting the second residual data when the secondary scanning data contains the same data as the second residual data.
Aiming at the dual-active disk under the cloud management platform, when a disk cleaning request is received, two types of residual disks in the data under the cloud management platform are cleaned, namely, different data between a main disk and an auxiliary disk in the dual-active disk are used as first residual data, and second residual data only stored in a database are used for the second residual data, and the report of the data in the database is adopted to ensure the real-time performance of the data; and eliminating the second residual data hidden in the database by comparing the data reported to the database twice in succession. The method has the advantages that the method is used for cleaning the dual-active magnetic disk with high disaster recovery efficiency, improves usability of the dual-active magnetic disk, reduces the quantity of residual data under the cloud management platform, and ensures the service efficiency of the dual-active magnetic disk.
The application also provides a cleaning system of the dual-active magnetic disk, a cleaning system, a computer readable storage medium and electronic equipment, which have the beneficial effects and are not repeated here.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flowchart of a method for cleaning dual-active magnetic disk according to an embodiment of the present application;
Fig. 2 is a schematic structural diagram of a dual-active-disc cleaning system according to an embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Because the cloud management platform has better disaster recovery capability than a common disk, the dual-active disk under the dual-active storage pool can generate residues when the system is powered off or is irresistible, and the dual-active disk needs to be cleaned in order to enable the system to run better.
The double-movable disk is composed of a main disk and an auxiliary disk, a layer of logic disk is packaged on the basis of the main disk and the auxiliary disk, and a series of operations aiming at the double-movable disk can be operated on the main disk and the auxiliary disk at the same time, so that the cleaning operation of the double-movable disk can be converted into the cleaning operation aiming at the main disk and the auxiliary disk; the residues of the common disks can not generate residues on the cloud management platform, only generate residues on the computing nodes, the residues of the dual-active disks can generate in a database of the cloud management platform, the comparison operation is required to be carried out in the management platform data independently, unpaired residual disks are found out for cleaning, and then the computing nodes are cleaned.
Referring to fig. 1, fig. 1 is a flowchart of a method for cleaning a dual-active magnetic disk according to an embodiment of the present application;
s101: receiving a disk cleaning request;
This step is intended to receive a disk wash request and is not specifically limited herein as to how the request is received.
Preferably, a periodic cleaning task may be created and the cleaning parameters of the periodic cleaning task configured prior to performing this step, such that disk cleaning requests are automatically generated each time the periodic cleaning task expires. In addition, the disk cleaning request can also be generated from other devices or directly according to the operation instruction of the user, and can be used as the disk cleaning request executed in the step.
S102: scanning the dual-active disk for the first time, taking the dissimilar data between a main disk and an auxiliary disk in the dual-active disk as first residual data and second residual data only stored in a database;
S103: deleting the first residual data and reporting the second residual data to the database;
S104: and secondarily scanning the dual-active magnetic disk, and deleting the second residual data when the secondary scanning data contains the same data as the second residual data.
The state after the live disk generates residues is usually lun residues generated in a database of the cloud management platform and on each computing node, and scanning operation cleaning can be performed only by eliminating second residual data in the database of the cloud management platform; the residues under the cloud pipe platform can be divided into 2 types, wherein the first type is that a single main disk or an auxiliary disk exists, the first type can be found under a double active storage pool, the main disk exists under the single main storage pool, or the auxiliary disk exists under the single auxiliary storage pool, and the second type does not exist under the double active storage pool. I.e. the first residual data is actually data present only on the primary disc or only on the secondary disc, which does not comply with the data storage standard of dual active discs. The other is not present under both the dual active storage pool and the primary and secondary storage pools, is present in the database in the form of either delete or create, and is not visible to the cloud management platform. The two types of residual data may be cleaned before the store cleaning action, which may be longer. If the two modes are eliminated in a timing task mode, residual data of the dual-activity platform are deleted in advance, so that the computing nodes can be directly issued for comparison and scanning and then deleted when the storage and cleaning are performed; the first data can be deleted directly from the residual main disk or auxiliary disk, and the second residual data can be reported to the database because whether the data is in normal creation or in deletion cannot be determined, each time the timing task can compare the data in the database, the data exists in the two comparison pairs, the data is considered to be the second residual data, and the data which survives for more than one period is considered to be the residual data, and the deletion is performed.
If a periodic task is adopted, the cleaning period in the cleaning parameters can be configured according to the number of the dual-active magnetic disks. The greater the number of dual active disks, the shorter the cleaning cycle. It should be noted that the purge period is greater than the creation time of the dual active disk.
It should be noted that, in step S104, the second scanning of the dual-active disc may be performed when the next disc cleaning request is received, or may be performed when the one disc cleaning request corresponds to the two scanning processes, so as to achieve complete cleaning of the residual data.
In addition, if the scan data is different from the residual data in the preset message queue, new residual data in the scan data may be reported to the database, which means that new second residual data is generated in the two scan processes.
After deleting the second residual data, a disk cleaning instruction may be further invoked to delete additional residual data corresponding to the second residual data in the computing node.
Aiming at a dual-active disk under a cloud management platform, when a disk cleaning request is received, two types of residual disks in data under the cloud management platform are cleaned, namely, different data between a main disk and an auxiliary disk in the dual-active disk are used as first residual data, and second residual data only stored in a database are used for the second residual data, and the real-time performance of the data is ensured by reporting the second residual data to the database; and eliminating the second residual data hidden in the database by comparing the data reported to the database twice in succession. The method has the advantages that the method is used for cleaning the dual-active magnetic disk with high disaster recovery efficiency, improves usability of the dual-active magnetic disk, reduces the quantity of residual data under the cloud management platform, and ensures the service efficiency of the dual-active magnetic disk.
The following describes a dual-active-disk cleaning system according to an embodiment of the present application, where the cleaning system described below and the dual-active-disk cleaning method described above may be referred to correspondingly.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a dual-active magnetic disk cleaning system according to an embodiment of the present application, where the system includes:
a request receiving module 100, configured to receive a disk cleaning request;
the disk scanning module 200 is configured to scan the dual-active disk for the first time, and take the differential data between the main disk and the auxiliary disk in the dual-active disk as first residual data, and second residual data only stored in the database;
The first deleting module 300 is configured to delete the first residual data and report the second residual data to the database;
And a second deleting module 400, configured to secondarily scan the dual-active disk, and delete the second residual data when it is confirmed that the secondarily scanned data includes the same data as the second residual data.
Based on the above embodiment, as a preferred embodiment, further comprising:
And the calling module is used for deleting the extra residual data corresponding to the second residual data in the computing node by the disk cleaning instruction.
Based on the above embodiment, as a preferred embodiment, further comprising:
The creating module is used for creating a periodic cleaning task and configuring cleaning parameters of the periodic cleaning task;
and the generation module is used for generating the disk cleaning request when the periodic cleaning task expires.
Based on the above embodiment, as a preferred embodiment, further comprising:
and the reporting module is used for reporting the new residual data in the scanning data to the database.
Based on the above embodiment, as a preferred embodiment, the creating module includes:
the configuration unit is used for configuring the cleaning period in the cleaning parameters according to the number of the dual-active magnetic disks; the greater the number of dual active disks, the shorter the cleaning cycle.
The present application also provides a computer-readable storage medium having stored thereon a computer program which, when executed, performs the steps provided by the above-described embodiments. The storage medium may include: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The application also provides an electronic device, which can comprise a memory and a processor, wherein the memory stores a computer program, and the processor can realize the steps provided by the embodiment when calling the computer program in the memory. Of course the electronic device may also include various network interfaces, power supplies, etc.
In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. The system provided by the embodiment is relatively simple to describe as it corresponds to the method provided by the embodiment, and the relevant points are referred to in the description of the method section.
The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present application and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the application can be made without departing from the principles of the application and these modifications and adaptations are intended to be within the scope of the application as defined in the following claims.
It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. The method for cleaning the double-movable magnetic disk is characterized by comprising the following steps of:
receiving a disk cleaning request;
scanning the dual-active disk for the first time, taking the dissimilar data between a main disk and an auxiliary disk in the dual-active disk as first residual data and second residual data only stored in a database; the first residual data is data which exists only in the main disk or only in the auxiliary disk, the second residual data is data which does not exist under a double-active storage pool and a main storage pool and does not exist under a main storage pool and an auxiliary storage pool, and the data exists in a form of being deleted or created in a database;
deleting the first residual data and reporting the second residual data to the database;
and secondarily scanning the dual-active magnetic disk, and deleting the second residual data when the secondary scanning data contains the same data as the second residual data.
2. The cleaning method of claim 1, further comprising, after deleting the second residual data:
and calling a disk cleaning instruction to delete the extra residual data corresponding to the second residual data in the computing node.
3. The cleaning method of claim 1, further comprising, prior to receiving the disk cleaning request:
Creating a periodic cleaning task and configuring cleaning parameters of the periodic cleaning task;
And generating the disk cleaning request when the periodic cleaning task expires.
4. The method of claim 1, further comprising, if the scan data is different from the residual data in the predetermined message queue:
and reporting the new residual data in the scanning data to the database.
5. A cleaning method according to claim 3, wherein configuring the cleaning parameters of the periodic cleaning task comprises:
Configuring cleaning periods in the cleaning parameters according to the number of the dual-active magnetic disks; the greater the number of dual active disks, the shorter the cleaning cycle.
6. The cleaning method of claim 5, wherein the cleaning cycle is greater than a creation time of the dual live disk.
7. A dual active disc cleaning system comprising:
the request receiving module is used for receiving a disk cleaning request;
The disk scanning module is used for scanning the dual-active disk for the first time, taking the dissimilar data between the main disk and the auxiliary disk in the dual-active disk as first residual data and only storing second residual data in a database; the first residual data is data which exists only in the main disk or only in the auxiliary disk, the second residual data is data which does not exist under a double-active storage pool and a main storage pool and does not exist under a main storage pool and an auxiliary storage pool, and the data exists in a form of being deleted or created in a database;
the first deleting module is used for deleting the first residual data and reporting the second residual data to the database;
And the second deleting module is used for secondarily scanning the dual-active magnetic disk, and deleting the second residual data when the fact that the secondarily scanned data contain the same data as the second residual data is confirmed.
8. The cleaning system of claim 7, further comprising:
and the third deleting module is used for calling a disk cleaning instruction to delete the additional residual data corresponding to the second residual data in the computing node after deleting the second residual data.
9. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the dual live disk cleaning method according to any of claims 1-6.
10. An electronic device comprising a memory and a processor, wherein the memory has a computer program stored therein, and wherein the processor, when calling the computer program in the memory, performs the steps of the dual active disk cleaning method according to any one of claims 1-6.
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| CN111984365A (en) * | 2020-07-22 | 2020-11-24 | 苏州浪潮智能科技有限公司 | Virtual machine virtual disk dual-live implementation method and system |
| CN112199162A (en) * | 2020-10-16 | 2021-01-08 | 济南浪潮数据技术有限公司 | Disk snapshot method, device and medium based on virtualized disk double-active disaster tolerance |
| CN112764968A (en) * | 2020-12-29 | 2021-05-07 | 杭州海康威视***技术有限公司 | Data processing method, device, equipment and storage medium |
| CN112698791A (en) * | 2020-12-31 | 2021-04-23 | 珠海豹趣科技有限公司 | System disk cleaning method and device, electronic equipment and storage medium |
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