CN113312003B - Go language-based physical bare computer disk storage management method - Google Patents
Go language-based physical bare computer disk storage management method Download PDFInfo
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- CN113312003B CN113312003B CN202110660725.3A CN202110660725A CN113312003B CN 113312003 B CN113312003 B CN 113312003B CN 202110660725 A CN202110660725 A CN 202110660725A CN 113312003 B CN113312003 B CN 113312003B
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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
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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
- G06F3/0635—Configuration or reconfiguration of storage systems by changing the path, e.g. traffic rerouting, path reconfiguration
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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
Abstract
The invention discloses a physical bare computer disk storage management method based on Go language, relating to the technical field of disk storage; the configuration file compiled by the Go language runs on a Linux physical machine platform, a gin framework is used for developing and managing an API (application program interface) for disk storage, the API is exposed to the outside in a service mode, disk storage is further managed through management of the LVM, the size of a file system can be freely adjusted, the file system can conveniently span different disks and partitions, and the flexibility of disk management is greatly improved.
Description
Technical Field
The invention discloses a method, relates to the technical field of disk storage, and particularly relates to a physical bare computer disk storage management method based on Go language.
Background
In daily use, the data volume is larger and larger as time goes on, and the physical machine hard disk space is smaller and smaller. When capacity is expanded, a new hard disk needs to be mounted for data migration, which leads to the stop of foreground service, so that the size of a file system needs to be adjusted on the premise of zero shutdown. The Logical Volume Manager (LVM) mechanism provided by Linux is an existing solution. The LVM abstractly encapsulates the bottom-layer physical hard disk and represents the logical volume to an upper-layer system, the size of the logical volume can be dynamically adjusted, and existing data cannot be lost. The newly added hard disk does not change the existing upper layer logical volume, and the flexibility of disk management is greatly improved.
However, when configuring the LVM through the command line, the operator is prone to misoperation due to the need to know the use modes of the numerous LVM command lines and the corresponding parameter limitations, and the efficiency is not high.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a physical bare computer disk storage management method based on Go language, which has the characteristics of strong universality, simple and convenient implementation and the like and has wide application prospect.
The specific scheme provided by the invention is as follows:
a configuration file used by a storage management service is compiled based on a Go language, the configuration file is uploaded to a Linux physical machine needing to be configured, a gin framework is used for developing and managing an API (application program interface) for disk storage, the storage management service is called, and operation management on a physical volume, a volume group and a logical volume in an LVM (logical volume manager) is respectively realized.
Further, in the Go language-based physical bare computer disk storage management method, the operation management of the physical volume includes operations of creating and deleting the physical volume and checking an incoming parameter;
the operation management of the volume group comprises the operations of creating, deleting, dynamic capacity reduction, dynamic capacity expansion and incoming parameter verification of the volume group;
the operation management of the logical volume comprises the operations of creating, deleting, dynamically expanding, dynamically contracting, changing the type of a file system, changing a mount point and checking an incoming parameter of the logical volume.
Further, the physical bare computer disk storage management method based on Go language creates the physical volume: and checking whether the physical machine exists or not, if so, checking whether the physical volume exists or not, if so, reporting an exception, and otherwise, creating the physical volume.
Further, the physical bare computer disk storage management method based on Go language deletes the physical volume: and checking whether the physical volume exists or not, if not, reporting an exception, and if so, deleting the physical volume.
Further, the physical bare computer disk storage management method based on Go language creates volume groups and dynamically expands volume: and checking whether the partition exists or not, otherwise, reporting an exception, checking whether the volume group exists or not if the partition exists, and updating the physical volume which is not in the volume group for capacity expansion.
Further, the method for managing the physical bare computer disk storage based on Go language deletes the volume group: and checking whether the volume group exists or not, if not, reporting an exception, if so, checking whether a physical volume exists in the volume group, otherwise, deleting the volume group, and if so, removing the physical volume from the volume group until the volume group is deleted.
Further, the physical bare computer disk storage management method based on Go language performs logical volume creation: checking whether the volume group exists, if so, checking whether the logical volume is larger than the volume group, if so, reporting the exception, otherwise, checking whether a mount point exists, if so, acquiring a configuration file, checking whether the logical volume exists, otherwise, creating the logical volume, formatting and mounting, if so, checking whether the incoming parameters are changed, and adjusting the type of the file system, the mount point and the size of the logical volume according to the stored parameters.
Further, the logical volume deletion is carried out in the physical bare computer disk storage management method based on the Go language, wherein whether the logical volume exists is checked, if the logical volume exists, the logical volume is reported to be abnormal, if the logical volume is mounted, the logical volume is checked, if the logical volume is deleted, the logical volume is unloaded, if the unloading is successful, the deletion is completed, and if the unloading is failed, the abnormal is reported.
A physical bare computer disk storage management system based on the Go language comprises a service compiling module, an interface module and a management module,
the service compiling module compiles a binary file used by the storage management service based on the Go language, uploads the binary file to a Linux physical machine needing to be configured, the interface module develops and manages an API (application programming interface) stored in a disk by using a gin framework and calls the storage management service, and the management module respectively realizes operation management on a physical volume, a volume group and a logical volume in the LVM.
A computer readable medium having stored thereon computer instructions, which, when executed by a processor, cause the processor to execute the method for Go language based physical bare computer disk storage management.
The invention has the advantages that:
the invention provides a physical bare computer disk storage management method based on Go language, a configuration file compiled by Go language runs on a Linux physical computer platform, a gin framework is used for developing and managing an API (application program interface) of disk storage, the disk storage is exposed outwards in a service mode, the disk storage is further managed through management of LVM (virtual local memory manager), the size of a file system can be freely adjusted, the file system can conveniently span different disks and partitions, and the flexibility of disk management is greatly improved.
Drawings
FIG. 1 is a schematic flow chart of the method of the present invention for creating pv.
FIG. 2 is a schematic flow chart of the method for deleting pv according to the present invention.
Fig. 3 is a schematic flow diagram illustrating the creation and expansion of vg according to the method of the present invention.
Fig. 4 is a schematic flow chart of the method for deleting vg.
Fig. 5 is a flow chart illustrating the creation lv of the method of the invention.
FIG. 6 is a schematic flow diagram of the method of the present invention for deleting lv.
Detailed Description
The Go language: go (also called Golang) is a static strong type, compiling type and concurrent type programming language developed by Google corporation and has a garbage collection function.
A Gin framework: gin is a web framework written in the Go language, and can well support middleware and json.
And (3) LVM: the LVM is a shorthand of Logical Volume Manager (Logical Volume management), and is a mechanism for managing a disk partition in a Linux environment.
Physical storage medium (The physical media): refers to the storage device of the system: hard disks, such as: and/dev/hda,/dev/sda and the like are the lowest-level storage units of the storage system.
Physical volume (physical volume): a physical volume refers to a hard disk partition or a device (e.g. RAID) having the same function as a disk partition logically, and is a basic storage logical block of the LVM, but contains management parameters related to the LVM compared with a basic physical storage medium (e.g. partition, disk, etc.).
Volume group (volume group): the LVM volume group is similar to a physical hard disk in a non-LVM system, which consists of physical volumes. One or more "LVM partitions" (logical volumes) may be created on a volume group, which consists of one or more physical volumes.
Logical volume (logical volume): the logical volume of the LVM is similar to the hard disk partition in the non-LVM system, and a file system (such as/home or/usr, etc.) may be established on top of the logical volume.
PE (physical extend): each Physical volume is divided into basic units called PEs (Physical extensions), the PE with a unique number being the smallest unit that can be addressed by the LVM.
LE (local extension): logical volumes are also divided into addressable base units called LE (Logical extensions). In the same volume group, the size of the LE and the PE are the same and correspond to each other.
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
The invention provides a physical bare computer disk storage management method based on Go language, which compiles a configuration file used by a storage management service based on Go language, uploads the configuration file to a Linux physical machine needing to execute configuration, develops an API for managing disk storage by utilizing a gin framework, calls the storage management service and respectively realizes the operation management of a physical volume, a volume group and a logical volume in an LVM (logical volume management module).
The method exposes the API in a service mode, only needs to input corresponding parameters, can configure the physical machine according to the configuration file, and can expand the storage dynamic state.
In a specific application, in some embodiments of the present invention, the Physical Volume, the Volume Group, and the Logical Volume are specifically managed, so as to adjust the disk storage. The Physical Volume management mainly aims at the management of a Physical Volume, and comprises the operations of creating and deleting the Physical Volume, verifying the transmitted parameters and the like; the Volume Group management mainly aims at the management of Volume groups, and comprises the operations of creation, deletion, dynamic capacity reduction and dynamic capacity expansion of the Volume Group, incoming parameter verification and the like; the Logical Volume management comprises the operations of creating, deleting, dynamically expanding, dynamically contracting, changing the type of a file system, changing a mount point, checking an input parameter and the like of the Logical Volume.
Volume groups (volume groups) are created on PV basis and one or more PVs may be added to the VG. First, the physical volume is created: and checking whether the physical machine exists or not, if so, checking whether the physical volume exists or not, if so, reporting an exception, and otherwise, creating the physical volume.
How many PVs, how large capacity the VG has, volume group creation and dynamic capacity expansion: and checking whether the partition exists or not, otherwise, reporting an exception, checking whether the volume group exists or not if the partition exists, and updating the physical volume which is not in the volume group for capacity expansion.
Based on VG, logical volumes (PEs) are created, one logical volume is a number of PEs, and the LV is formatted and mounted, and is treated as a partition. And the physical disk is formatted into PVs, the space is divided into PEs, different PVs are added into the same VG, and PEs of different PVs all enter a PE pool of the VG. The LV is created based on PEs, with sizes that are integer multiples of the PEs, and PEs that make up the LV may come from different physical disks. The LV can be mounted for use after being formatted. The expansion and reduction of the LV effectively increases or decreases the number of PEs that make up the LV, a process that does not lose data.
Performing logical volume creation: checking whether the volume group exists, if so, checking whether the logical volume is larger than the volume group, if so, reporting an exception, otherwise, checking whether a mount point exists, if so, acquiring a configuration file, checking whether the logical volume exists, otherwise, creating the logical volume, formatting and mounting, if so, checking whether the introduced parameters are changed, and adjusting the type of the file system, the mount point and the size of the logical volume according to the stored parameters.
Accordingly, deletion of the physical volume may occur: and checking whether the physical volume exists or not, if not, reporting an exception, and if so, deleting the physical volume.
And when VG dynamic capacity reduction is needed, deleting the volume group: and checking whether the volume group exists or not, if not, reporting an exception, if so, checking whether a physical volume exists in the volume group, otherwise, deleting the volume group, and if so, removing the physical volume from the volume group until the volume group is deleted.
And according to the adjustment, the method further adapts to the storage management of the disk, and deletes the logical volume, wherein whether the logical volume exists is verified, if the logical volume exists, the logical volume is reported to be abnormal, if the logical volume exists, the logical volume is verified to be mounted, if the logical volume is deleted, the logical volume is uninstalled, if the logical volume is uninstalled successfully, the logical volume is deleted, and if the logical volume is uninstalled unsuccessfully, the logical volume is reported to be abnormal.
The implementation process breaks through the existing mode of adjusting the disk storage management of the LVM, can expose the API in a service mode, and transmits corresponding parameters to dynamically adjust the volume size.
The invention also provides a physical bare computer disk storage management system based on the Go language, which comprises a service compiling module, an interface module and a management module,
the service compiling module compiles a binary file used by the storage management service based on the Go language, uploads the binary file to a Linux physical machine needing to be configured, the interface module develops and manages an API (application program interface) stored in a disk by using a gin framework, calls the storage management service, and the management module respectively realizes operation management on a physical volume, a volume group and a logical volume in the LVM. The information interaction, execution process and other contents between the modules in the system are based on the same concept as the method embodiment of the present invention, and specific contents can be referred to the description in the method embodiment of the present invention, and are not described herein again. Similarly, the system can expose the API in a service mode, only needs to input corresponding parameters, can configure the physical machine according to the configuration file, and can expand the storage dynamic state.
The present invention also provides a computer readable medium having stored thereon computer instructions, which, when executed by a processor, cause the processor to execute the method for managing the physical bare computer disk storage based on the Go language. Specifically, a system or an apparatus equipped with a storage medium on which software program codes that realize the functions of any of the embodiments described above are stored may be provided, and a computer (or a CPU or MPU) of the system or the apparatus is caused to read out and execute the program codes stored in the storage medium.
In this case, the program code itself read from the storage medium can realize the functions of any of the above-described embodiments, and thus the program code and the storage medium storing the program code constitute a part of the present invention.
Examples of the storage medium for supplying the program code include a floppy disk, a hard disk, a magneto-optical disk, an optical disk (e.g., CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD + RW), a magnetic tape, a nonvolatile memory card, and a ROM. Alternatively, the program code may be downloaded from a server computer via a communications network.
Further, it should be clear that the functions of any one of the above-described embodiments may be implemented not only by executing the program code read out by the computer, but also by causing an operating system or the like operating on the computer to perform a part or all of the actual operations based on instructions of the program code.
Further, it is to be understood that the program code read out from the storage medium is written to a memory provided in an expansion board inserted into the computer or to a memory provided in an expansion unit connected to the computer, and then causes a CPU or the like mounted on the expansion board or the expansion unit to perform part or all of the actual operations based on instructions of the program code, thereby realizing the functions of any of the above-described embodiments.
It should be noted that not all steps and modules in the processes and system structures in the preferred embodiment described above are necessary, and some steps or modules may be omitted according to actual needs. The execution order of the steps is not fixed and can be adjusted as required. The system structures described in the above embodiments may be physical structures or logical structures, that is, some modules may be implemented by the same physical entity, or some modules may be implemented by a plurality of physical entities separately, or some components may be implemented together in a plurality of independent devices.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (3)
1. A method for managing disk storage of physical bare computer based on Go language features that the configuration file used by storage management service is compiled based on Go language, the configuration file is uploaded to Linux physical computer to be configured, the gin frame is used to develop API for managing disk storage, the storage management service is called to implement the management of physical volume, volume group and logic volume in LVM,
the operation management of the physical volume comprises the operations of creating and deleting the physical volume and checking the incoming parameters, wherein the operation management of the physical volume comprises the following steps: checking whether the physical machine exists or not, if so, checking whether the physical volume exists or not, if so, reporting an exception, otherwise, creating the physical volume; and (3) deleting the physical volume: checking whether the physical volume exists or not, if not, reporting an exception, and if so, deleting the physical volume;
the operation management of the volume group comprises the operations of creation, deletion, dynamic capacity reduction, dynamic capacity expansion and incoming parameter verification of the volume group, wherein the creation and the dynamic capacity expansion of the volume group are carried out: checking whether the partition exists or not, if not, reporting an exception, if so, checking whether the volume group exists or not, and updating the physical volume which is not in the volume group for capacity expansion; and deleting the volume group: checking whether the volume group exists or not, if not, reporting an exception, if so, checking whether a physical volume exists in the volume group, otherwise, deleting the volume group, and if so, removing the physical volume from the volume group until the volume group is deleted;
the operation management of the logical volume comprises the operations of creating, deleting, dynamically expanding, dynamically contracting, changing the type of a file system, changing a mount point and checking an incoming parameter of the logical volume, wherein the operation management of the logical volume comprises the following steps: checking whether the volume group exists, if so, checking whether the logical volume is larger than the volume group, if so, reporting an exception, otherwise, checking whether a mount point exists, if so, acquiring a configuration file, checking whether the logical volume exists, otherwise, creating the logical volume, formatting and mounting, if so, checking whether the introduced parameters are changed, and adjusting the type of the file system, the mount point and the size of the logical volume according to the stored parameters; and (4) deleting the logical volume, namely verifying whether the logical volume exists or not, if not, reporting the exception, if so, verifying whether the logical volume is mounted, if not, deleting the logical volume, if so, unloading the logical volume, if the unloading is successful, finishing the deletion, and if the unloading is failed, reporting the exception.
2. A physical bare computer disk storage management system based on the Go language is characterized by comprising a service compiling module, an interface module and a management module,
the service compiling module compiles a binary file used by the storage management service based on Go language, uploads the binary file to a Linux physical machine needing executing configuration, the interface module develops API for managing disk storage by utilizing gin framework, calls the storage management service, the management module respectively realizes the operation management of physical volumes, volume groups and logical volumes in the LVM,
the management module performs operation management of the physical volume, including operations of creating and deleting the physical volume and checking an incoming parameter, wherein the operation management module performs the operations of creating the physical volume: checking whether the physical machine exists or not, if so, checking whether the physical volume exists or not, if so, reporting an exception, otherwise, creating the physical volume; and deleting the physical volume: checking whether the physical volume exists or not, if not, reporting an exception, and if so, deleting the physical volume;
the operation management of the volume group comprises the operations of creation, deletion, dynamic capacity reduction, dynamic capacity expansion and incoming parameter verification of the volume group, wherein the creation and the dynamic capacity expansion of the volume group are carried out: checking whether the partition exists or not, if not, reporting an exception, if so, checking whether the volume group exists or not, and updating the physical volume which is not in the volume group for capacity expansion; and deleting the volume group: checking whether the volume group exists or not, if not, reporting an exception, if so, checking whether a physical volume exists in the volume group, otherwise, deleting the volume group, and if so, removing the physical volume from the volume group until the volume group is deleted;
the operation management of the logical volume comprises the operations of creating, deleting, dynamically expanding, dynamically contracting, changing the type of a file system, changing a mount point and checking an incoming parameter of the logical volume, wherein the operation management of the logical volume comprises the following steps: checking whether a volume group exists or not, if so, checking whether a logical volume is larger than the volume group or not, if so, reporting an exception, otherwise, checking whether a mount point exists or not, if so, acquiring a configuration file, checking whether the logical volume exists or not, otherwise, creating the logical volume, formatting and mounting, if so, checking whether an incoming parameter is changed, and adjusting the type of a file system, the mount point and the size of the logical volume according to the stored parameter; and deleting the logical volume, namely checking whether the logical volume exists or not, if not, reporting the exception, if yes, checking whether the logical volume is mounted, if not, deleting the logical volume, if yes, completing the deletion, and if the unloading fails, reporting the exception.
3. Computer readable medium characterized in that said computer readable medium has stored thereon computer instructions, which when executed by a processor, cause said processor to execute a Go language based physical bare computer disk storage management method according to claim 1.
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