CN110727534A - Method, equipment and storage medium for repairing file system - Google Patents
Method, equipment and storage medium for repairing file system Download PDFInfo
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- CN110727534A CN110727534A CN201910926273.1A CN201910926273A CN110727534A CN 110727534 A CN110727534 A CN 110727534A CN 201910926273 A CN201910926273 A CN 201910926273A CN 110727534 A CN110727534 A CN 110727534A
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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
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0793—Remedial or corrective actions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
- G06F12/023—Free address space management
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Abstract
The invention discloses a method for repairing a file system, which comprises the following steps: creating a swap memory in response to receiving an instruction for repairing the file system; executing the repair command; responding to the full use of the physical memory of the server, and judging whether the repair of the file system is finished; and calling the swap memory to continue repairing the file system in response to the incomplete repair of the file system. The invention also discloses a computer device and a readable storage medium. The method disclosed by the invention creates the swap memory in advance before the file system is repaired, so that the swap memory can be continuously used after the physical memory is used up in the file system repairing process, and the repairing failure caused by insufficient memory is successfully avoided.
Description
Technical Field
The present invention relates to the field of servers, and in particular, to a method, device, and storage medium for repairing a file system.
Background
In the existing storage server, the sharing service is established on a file system, the file system is damaged due to some abnormal conditions in the using process of the file system, the file system can be continuously used after being repaired after being damaged, taking an xfs file system as an example, when the file system is damaged, a corresponding command needs to be executed to repair the file system, but many servers may only have 8G memory, and the file system repair is an operation which occupies a large amount of memory, and the repair cannot be completed due to insufficient memory.
Therefore, a repair method for a file system is urgently needed.
Disclosure of Invention
In view of the above, in order to overcome at least one aspect of the above problems, an embodiment of the present invention provides a method for repairing a file system, including:
creating a swap memory in response to receiving an instruction for repairing the file system;
executing the repair command;
responding to the full use of the physical memory of the server, and judging whether the repair of the file system is finished;
and calling the swap memory to continue repairing the file system in response to the incomplete repair of the file system.
In some embodiments, creating the swap memory further comprises:
creating a logical volume using the storage pool of the server;
and taking the space of the logical volume as the swap memory.
In some embodiments, further comprising:
and responding to the fact that the swap memory exists in the list of the server, and judging that the swap memory is successfully established.
In some embodiments, further comprising:
and deleting the swap memory in response to the completion of the repair of the file system.
In some embodiments, executing the repair command further comprises:
the xfs _ replay _ adm command is executed to repair the file system.
Based on the same inventive concept, according to another aspect of the present invention, an embodiment of the present invention further provides a computer apparatus, including:
at least one processor; and
a memory storing a computer program operable on the processor, wherein the processor executes the program to perform the steps of:
creating a swap memory in response to receiving an instruction for repairing the file system;
executing the repair command;
after responding to the fact that the physical memory of the server is completely used, judging whether the repair of the file system is finished or not;
and calling the swap memory to continue repairing the file system in response to the incomplete repair of the file system.
In some embodiments, the creating a swap memory includes:
creating a logical volume using the storage pool of the server;
and taking the space of the logical volume as the swap memory.
In some embodiments, further comprising:
and responding to the fact that the swap memory exists in the list of the server, and judging that the swap memory is successfully established.
In some embodiments, the processor further performs the step of:
and deleting the swap memory in response to the completion of the repair of the file system.
Based on the same inventive concept, according to another aspect of the present invention, an embodiment of the present invention further provides a computer-readable storage medium storing a computer program, which when executed by a processor performs the steps of any one of the file system repair methods described above.
The invention has one of the following beneficial technical effects: the method disclosed by the invention creates the swap memory in advance before the file system is repaired, so that the swap memory can be continuously used after the physical memory is used up in the file system repairing process, and the repairing failure caused by insufficient memory is successfully avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained by using the drawings without creative efforts.
Fig. 1 is a schematic flowchart of a method for repairing a file system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a computer device provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a computer-readable storage medium according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
According to an aspect of the present invention, an embodiment of the present invention provides a method for repairing a file system, as shown in fig. 1, which may include the steps of: s1, creating a swap memory in response to receiving the command of repairing the file system; s2, executing the repair command; s3, responding to the fact that the physical memory of the server is completely used, and judging whether the repair of the file system is completed; and S4, responding to the incomplete repair of the file system, and calling the swap memory to continue the repair of the file system.
The method disclosed by the invention creates the swap memory in advance before the file system is repaired, so that the swap memory can be continuously used after the physical memory is used up in the file system repairing process, and the repairing failure caused by insufficient memory is successfully avoided.
In some embodiments, the creating of the swap memory in step S1 may further include: creating a logical volume using the storage pool of the server; and taking the space of the logical volume as the swap memory. And responding to the fact that the swap memory exists in the list of the server, and judging that the swap memory is successfully established.
Specifically, a swap command-swap on can be used to newly create a logical volume on a storage pool of the server, then the space of the logical volume is used as a swap memory, and a swap-l command can also be used to check whether the creation is successful, when a swap memory exists in a relevant list of the server, the file system repair is executed, and at this time, when the physical memory is exhausted by the file system repair, the swap memory is used, thereby effectively preventing the repair failure caused by insufficient memory.
It should be noted that, after the physical memory is used up in the file system repair process, the system may automatically invoke the pre-created swap memory.
In some embodiments, in order not to affect subsequent normal use of the server, the swap memory is deleted after the file system is repaired.
Specifically, the swap memory can be deleted by executing swap off.
In some embodiments, executing the repair command may further include: the xfs _ replay _ adm command is executed to repair the file system.
In some embodiments, the above steps may be packaged into a configuration file, that is, a logical volume is created on a server storage pool, a swap command is used to create the logical volume into a swap memory, an xfs _ repair command is executed after the swap memory is created, after a repair command is finished, a swap off is executed to close the swap memory, and the swap memory is packaged into a configuration file.
The method disclosed by the invention has the advantages that a volume is newly built on the storage pool in advance before the file system is repaired, and the volume is used as the swap memory, so that the swap memory can be continuously used after the physical memory is used up in the file system repairing process, and the repairing failure caused by insufficient memory is successfully avoided.
Based on the same inventive concept, according to another aspect of the present invention, as shown in fig. 2, an embodiment of the present invention further provides a computer apparatus 501, comprising:
at least one processor 520; and
a memory 510, the memory 510 storing a computer program 511 executable on the processor, the processor 520 executing the program to perform the steps of: creating a swap memory in response to receiving an instruction for repairing the file system; executing the repair command; responding to the full use of the physical memory of the server, and judging whether the repair of the file system is finished; and calling the swap memory to continue repairing the file system in response to the incomplete repair of the file system.
In some embodiments, the creating a swap memory includes: creating a logical volume using the storage pool of the server; and taking the space of the logical volume as the swap memory.
In some embodiments, processor 520 also performs the steps of: and responding to the fact that the swap memory exists in the list of the server, and judging that the swap memory is successfully established.
Specifically, a swap command-swap on can be used to newly create a logical volume on a storage pool of the server, then the space of the logical volume is used as a swap memory, and a swap-l command can also be used to check whether the creation is successful, when a swap partition exists in a relevant list of the server, the file system repair is executed, and at this time, when the physical memory is exhausted by the file system repair, the swap memory is used, thereby effectively preventing the repair failure caused by insufficient memory.
In some embodiments, in order not to affect the normal operation of the server, the processor further performs the steps of: and deleting the swap memory in response to the completion of the repair of the file system.
In some embodiments, the above steps may be packaged into a configuration file, that is, a logical volume is created on a server storage pool, a swap command is used to create the logical volume into a swap memory, an xfs _ repair command is executed after the swap memory is created, after a repair command is finished, a swap off is executed to close the swap memory, and the swap memory is packaged into a configuration file.
The device 501 disclosed by the invention creates a volume on the storage pool in advance before the file system is repaired, and uses the volume as the swap memory, so that the swap memory can be continuously used after the physical memory is used up in the file system repairing process, and the repairing failure caused by insufficient memory is successfully avoided.
Based on the same inventive concept, according to another aspect of the present invention, as shown in fig. 3, an embodiment of the present invention further provides a computer-readable storage medium 601, where the computer-readable storage medium 601 stores computer program instructions 610, and the computer program instructions 610, when executed by a processor, perform the steps of the method for repairing a file system as any one of the above.
The readable storage medium 601 disclosed by the invention creates a volume on the storage pool in advance before the file system is repaired, and uses the volume as the swap memory, so that the swap memory can be continuously used after the physical memory is used up in the file system repairing process, and the repairing failure caused by insufficient memory is successfully avoided.
Finally, it should be noted that, as will be understood by those skilled in the art, all or part of the processes of the methods of the above embodiments may be implemented by a computer program to instruct related hardware to implement the methods. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), a Random Access Memory (RAM), or the like. The embodiments of the computer program may achieve the same or similar effects as any of the above-described method embodiments.
In addition, the apparatuses, devices, and the like disclosed in the embodiments of the present invention may be various electronic terminal devices, such as a mobile phone, a Personal Digital Assistant (PDA), a tablet computer (PAD), a smart television, and the like, or may be a large terminal device, such as a server, and the like, and therefore the scope of protection disclosed in the embodiments of the present invention should not be limited to a specific type of apparatus, device. The client disclosed by the embodiment of the invention can be applied to any one of the electronic terminal devices in the form of electronic hardware, computer software or a combination of the electronic hardware and the computer software.
Furthermore, the method disclosed according to an embodiment of the present invention may also be implemented as a computer program executed by a CPU, and the computer program may be stored in a computer-readable storage medium. The computer program, when executed by the CPU, performs the above-described functions defined in the method disclosed in the embodiments of the present invention.
Further, the above method steps and system elements may also be implemented using a controller and a computer readable storage medium for storing a computer program for causing the controller to implement the functions of the above steps or elements.
Further, it should be appreciated that the computer-readable storage media (e.g., memory) herein can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. By way of example, and not limitation, nonvolatile memory can include Read Only Memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM), which can act as external cache memory. By way of example and not limitation, RAM is available in a variety of forms such as synchronous RAM (DRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The storage devices of the disclosed aspects are intended to comprise, without being limited to, these and other suitable types of memory.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the disclosure herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as software or hardware depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments of the present invention.
The various illustrative logical blocks, modules, and circuits described in connection with the disclosure herein may be implemented or performed with the following components designed to perform the functions herein: a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination of these components. A general purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP, and/or any other such configuration.
The steps of a method or algorithm described in connection with the disclosure herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. In the alternative, the processor and the storage medium may reside as discrete components in a user terminal.
In one or more exemplary designs, the functions may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer. By way of example, and not limitation, such computer-readable media can comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a general-purpose or special-purpose computer, or a general-purpose or special-purpose processor. Also, any connection is properly termed a computer-readable medium. For example, if the software is transmitted from a website, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of medium. Disk and disc, as used herein, includes Compact Disc (CD), laser disc, optical disc, Digital Versatile Disc (DVD), floppy disk, blu-ray disc where disks usually reproduce data magnetically, while discs reproduce data optically with lasers. Combinations of the above should also be included within the scope of computer-readable media.
The foregoing is an exemplary embodiment of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the present disclosure as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.
The numbers of the embodiments disclosed in the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments.
It will be understood by those skilled in the art that all or part of the steps of implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to these examples; within the idea of an embodiment of the invention, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of the embodiments of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (10)
1. A method of repairing a file system, comprising the steps of:
creating a swap memory in response to receiving an instruction for repairing the file system;
executing the repair command;
responding to the full use of the physical memory of the server, and judging whether the repair of the file system is finished;
and calling the swap memory to continue repairing the file system in response to the incomplete repair of the file system.
2. The method of claim 1, wherein creating a swap memory further comprises:
creating a logical volume using the storage pool of the server;
and taking the space of the logical volume as the swap memory.
3. The method of claim 2, further comprising:
and responding to the fact that the swap memory exists in the list of the server, and judging that the swap memory is successfully established.
4. The method of claim 1, further comprising:
and deleting the swap memory in response to the completion of the repair of the file system.
5. The method of claim 1, wherein executing a repair command further comprises:
the xfs _ replay _ adm command is executed to repair the file system.
6. A computer device, comprising:
at least one processor; and
a memory storing a computer program operable on the processor, wherein the processor executes the program to perform the steps of:
creating a swap memory in response to receiving an instruction for repairing the file system;
executing the repair command;
responding to the full use of the physical memory of the server, and judging whether the repair of the file system is finished;
and calling the swap memory to continue repairing the file system in response to the incomplete repair of the file system.
7. The device of claim 6, wherein the creating the swap memory comprises:
creating a logical volume using the storage pool of the server;
and taking the space of the logical volume as the swap memory.
8. The apparatus of claim 7, further comprising:
and responding to the fact that the swap memory exists in the list of the server, and judging that the swap memory is successfully established.
9. The apparatus of claim 6, wherein the processor further performs the step of:
and deleting the swap memory in response to the completion of the repair of the file system.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, is adapted to carry out the steps of the method of any one of claims 1 to 5.
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| CN201910926273.1A CN110727534B (en) | 2019-09-27 | 2019-09-27 | Method, equipment and storage medium for repairing file system |
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| CN201910926273.1A CN110727534B (en) | 2019-09-27 | 2019-09-27 | Method, equipment and storage medium for repairing file system |
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| CN110727534B (en) | 2022-11-29 |
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