CN113238712A - Disk space utilization method, device, terminal and storage medium - Google Patents
Disk space utilization method, device, terminal and storage medium Download PDFInfo
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- CN113238712A CN113238712A CN202110441544.1A CN202110441544A CN113238712A CN 113238712 A CN113238712 A CN 113238712A CN 202110441544 A CN202110441544 A CN 202110441544A CN 113238712 A CN113238712 A CN 113238712A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000005192 partition Methods 0.000 claims abstract description 41
- 238000004590 computer program Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000006870 function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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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
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/0643—Management of files
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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
- G06F3/0604—Improving or facilitating administration, e.g. storage management
- G06F3/0607—Improving or facilitating administration, e.g. storage management by facilitating the process of upgrading existing storage systems, e.g. for improving compatibility between host and storage device
-
- 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
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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
- G06F3/0638—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
- G06F3/0673—Single storage device
- G06F3/0674—Disk device
- G06F3/0676—Magnetic disk device
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- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention is applicable to the technical field of computers, and provides a disk space utilization method, a device, a terminal and a storage medium, wherein the disk space utilization method comprises the following steps: the method comprises the following steps: respectively filling large files in unused disk spaces of a plurality of unfilled disk partitions of a Linux server so that the large files fill the unfilled disk partitions where the large files are located, wherein the unfilled disk partitions are disk partitions with unused disk spaces; step two: converting the large file into a sub-logical block device; step three: merging the plurality of sub-logical block devices to form a merged logical block device; step four: mounting a merging logic block device; therefore, the disk space utilization method provided by the invention is not only suitable for the condition that the existing disk partition cannot be formatted, and has strong adaptability, but also can utilize unused disk space which cannot be utilized before, and improve the utilization rate of the disk.
Description
Technical Field
The present invention relates to the field of storage technologies, and in particular, to a method, an apparatus, a terminal, and a storage medium for utilizing disk space.
Background
In order to solve the problem, the current method is to use LVM to merge disk partitions, but when the method is used, the existing disk partitions need to be formatted, and when the existing disk partitions cannot be formatted, for example, data stored in the existing disk partitions need to be reserved, the method cannot be used.
Disclosure of Invention
The present invention provides a method, an apparatus, a terminal and a computer readable storage medium for utilizing disk space, which aim to overcome the above-mentioned drawbacks of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
in one aspect, a method for utilizing disk space is provided, wherein the method includes the following steps:
the method comprises the following steps: respectively filling large files in unused disk spaces of a plurality of unfilled disk partitions of a Linux server so that the large files fill the unfilled disk partitions where the large files are located, wherein the unfilled disk partitions are disk partitions with unused disk spaces;
step two: converting the large file into a sub-logical block device;
step three: merging a plurality of the sub-logical block devices to form a merged logical block device;
step four: and mounting the merging logic block device.
The method for utilizing the disk space, provided by the invention, comprises the step one, wherein the step one is realized by utilizing dd commands.
The method for utilizing the disk space, provided by the invention, is characterized in that the second step is realized by utilizing a mount-o loop mechanism.
The method for utilizing the disk space, provided by the invention, is characterized in that the third step is realized by using an LVM.
In another aspect, a disk space utilization apparatus is provided, which is based on the foregoing disk space utilization method, wherein the apparatus includes:
the filling unit is used for respectively filling large files in unused disk spaces of a plurality of unfilled disk partitions of the Linux server so as to enable the large files to fill the unfilled disk partitions where the large files are located, wherein the unfilled disk partitions are disk partitions with unused disk spaces;
the conversion unit is used for converting the large file into the sub logic block device;
a merging unit, configured to merge the plurality of sub logic block devices to form a merged logic block device;
and the mounting unit is used for mounting the merging logic block equipment.
In another aspect, a disk space utilization terminal is provided, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the disk space utilization method when executing the computer program.
In still another aspect, a computer-readable storage medium is provided, which stores a computer program, wherein the computer program, when executed by a processor, implements the steps of the aforementioned disk space utilization method.
The invention has the beneficial effects that: the method for utilizing the disk space provided by the invention has the advantages that the large file is respectively filled in the unused disk spaces of a plurality of unfilled disk partitions of the Linux server, so that the large file is filled in the unfilled disk partitions of the Linux server, the large file is converted into the sub-logic block device, and the sub-logic block devices are combined to form the combined logic block device and the mounted combined logic block device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a flowchart of an implementation of a disk space utilization method according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a disk space utilization apparatus according to a second embodiment of the present invention;
fig. 3 is a schematic diagram of a method for utilizing disk space according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
The following detailed description of specific implementations of the present invention is provided in conjunction with specific embodiments:
the first embodiment is as follows:
fig. 1 shows an implementation flow of a disk space utilization method according to a first embodiment of the present invention, and fig. 3 is a schematic diagram illustrating a principle of the disk space utilization method according to the first embodiment of the present invention, and for convenience of description, only parts related to the first embodiment of the present invention are shown, and detailed descriptions are as follows:
step S101: respectively filling large files in unused disk spaces of a plurality of unfilled disk partitions of a Linux server so that the large files fill the unfilled disk partitions where the large files are located, wherein the unfilled disk partitions are disk partitions with unused disk spaces;
step S102: converting the large file into a sub-logical block device;
step S103: merging the plurality of sub-logical block devices to form a merged logical block device;
step S104: and mounting the merging logic block device.
The method for utilizing the disk space provided by the invention has the advantages that the large file is respectively filled in the unused disk spaces of a plurality of unfilled disk partitions of the Linux server, so that the large file is filled in the unfilled disk partitions of the Linux server, the large file is converted into the sub-logic block device, and the sub-logic block devices are combined to form the combined logic block device and the mounted combined logic block device.
Preferably, step S101 is implemented using dd commands.
Preferably, step S102 is implemented by using mount-o loop mechanism.
Preferably, step S103 is implemented using LVM.
Example two:
fig. 2 shows a structure of a disk space utilization apparatus according to a second embodiment of the present invention, and for convenience of description, only the portions related to the second embodiment of the present invention are shown, where the structure includes:
the filling unit 21 is configured to fill large files in unused disk spaces of a plurality of unfilled disk partitions of the Linux server, so that the large files fill the unfilled disk partitions where the large files are located, where the unfilled disk partitions are disk partitions in which the unused disk spaces exist;
a conversion unit 22 for converting the large file into a sub logical block device;
a merging unit 23, configured to merge multiple sub-logical block devices to form a merged logical block device;
and the mounting unit 24 is used for mounting the merging logic block device.
The disk space utilization device provided by the invention utilizes the filling unit 21 to respectively fill large files in the unused disk spaces of a plurality of unfilled disk partitions of a Linux server so that the large files fill the unfilled disk partitions where the large files are located, utilizes the conversion unit 22 to convert the large files into sub-logic block equipment, utilizes the merging unit 23 to merge a plurality of sub-logic block equipment to form merged logic block equipment, utilizes the mounting unit 24 to mount the merged logic block equipment, integrates a plurality of dispersed unused disk spaces (physical spaces) into one logic space for users to use, does not need to format the existing disk partitions, can enable the users to use the residual disk spaces, is not only suitable for the condition that the existing disk partitions cannot be formatted, has strong adaptability, but also can utilize the unused disk spaces which cannot be utilized before, the utilization rate of the magnetic disk is improved.
In the embodiment of the present invention, each unit of the disk space utilization apparatus may be implemented by a corresponding hardware or software unit, and each unit may be an independent software or hardware unit, or may be integrated into a software or hardware unit, which is not limited herein.
Example three:
a third embodiment of the present invention provides a disk space utilization terminal, which includes a memory, a processor, and a computer program that is stored in the memory and is executable on the processor, where the processor implements the steps in the above-mentioned various embodiments of the disk space utilization method when executing the computer program, for example, steps S101 to S104 shown in fig. 1. Alternatively, the processor, when executing the computer program, implements the functions of the units in the above-described device embodiments, such as the functions of the units 21 to 24 shown in fig. 2.
Example four:
in the fourth embodiment of the present invention, a computer-readable storage medium is provided, where a computer program is stored, and the computer program, when executed by a processor, implements the steps in the above-mentioned disk space utilization method embodiment, for example, steps S101 to S104 shown in fig. 1. Alternatively, the computer program may be adapted to perform the functions of the units of the above-described device embodiments, such as the functions of the units 21 to 24 shown in fig. 2, when executed by the processor.
The computer readable storage medium of the embodiments of the present invention may include any entity or device capable of carrying computer program code, a recording medium, such as a ROM/RAM, a magnetic disk, an optical disk, a flash memory, or the like.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (7)
1. A method for utilizing disk space, comprising the steps of:
the method comprises the following steps: respectively filling large files in unused disk spaces of a plurality of unfilled disk partitions of a Linux server so that the large files fill the unfilled disk partitions where the large files are located, wherein the unfilled disk partitions are disk partitions with unused disk spaces;
step two: converting the large file into a sub-logical block device;
step three: merging a plurality of the sub-logical block devices to form a merged logical block device;
step four: and mounting the merging logic block device.
2. The method of disk space utilization according to claim 1, wherein said step one is implemented using dd commands.
3. The method of claim 1, wherein the second step is implemented by a mount-o loop mechanism.
4. The method of disk space utilization according to claim 1, wherein said step three is implemented using an LVM.
5. A disk space utilization apparatus, based on the disk space utilization method according to any one of claims 1 to 4, characterized in that the apparatus comprises:
the filling unit is used for respectively filling large files in unused disk spaces of a plurality of unfilled disk partitions of the Linux server so as to enable the large files to fill the unfilled disk partitions where the large files are located, wherein the unfilled disk partitions are disk partitions with unused disk spaces;
the conversion unit is used for converting the large file into the sub logic block device;
a merging unit, configured to merge the plurality of sub logic block devices to form a merged logic block device;
and the mounting unit is used for mounting the merging logic block equipment.
6. A disk space utilization terminal comprising a memory, a processor and a computer program stored in said memory and executable on said processor, characterized in that said processor implements the steps of the method according to any of claims 1 to 4 when executing said computer program.
7. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110441544.1A CN113238712A (en) | 2021-04-23 | 2021-04-23 | Disk space utilization method, device, terminal and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110441544.1A CN113238712A (en) | 2021-04-23 | 2021-04-23 | Disk space utilization method, device, terminal and storage medium |
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| CN113238712A true CN113238712A (en) | 2021-08-10 |
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