Image storage method, device and computer-readable storage medium
A technology of mirror storage and storage medium, applied in the fields of mirror storage, mirror storage device, and computer-readable storage medium, can solve the problems of slow system running speed, waste of resources, different reading and writing frequencies, etc., so as to improve the running speed and avoid resources. the wasteful effect of
Active Publication Date: 2021-11-05
CHINA TELECOM CORP LTD
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Problems solved by technology
[0005] The inventors of the present disclosure have discovered the following problems in the above-mentioned related technologies: the reading and writing frequencies of different files in the image are different, causing the performance of the storage medium to fail to match the reading and writing requirements of the files in the image, resulting in waste of resources and slow system operation
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[0023] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
[0024] At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.
[0025] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way intended as any limitation of the disclosure, its application or uses.
[0026] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of t...
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The disclosure relates to a mirror image storage method, device and computer-readable storage medium, and relates to the technical field of data storage. The method includes: monitoring the read-write frequency of each file in the first image, the first image has a mapping relationship with the virtual machine, the first image is stored in the first sub-volume, and the first sub-volume is in the first storage medium; Files whose read / write frequency exceeds the preset frequency range of the first sub-volume are stored as dumped files in the second sub-volume, and the preset frequency range of the second sub-volume includes the read-write frequency of the dumped files; the second sub-volume is generated based on the dumped files second image, and establish a mapping relationship between the second image and the virtual machine; merge the first image and the second image into a logical image for use by the virtual machine. The method and the device can avoid waste of resources and improve the operating speed of the system.
Description
technical field [0001] The present disclosure relates to the technical field of data storage, and in particular, to a mirror storage method, a mirror storage device, and a computer-readable storage medium. Background technique [0002] The desktop cloud can improve the utilization of images through technologies such as linked cloning. Mirroring can be divided into basic mirroring and differential mirroring. The base image contains important data such as the operating system. The differential mirror contains the differential data of each user, such as process files generated when the software is used, user data (such as pictures, videos, documents, etc.), etc. [0003] Files in the base image are frequently read and written. In order to avoid situations such as application storms, boot storms, and poor performance of virtual machines, related technologies store basic images in high-performance but expensive storage media, such as SSDs (Solid State Drives, solid state drive...
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IPC IPC(8): G06F16/13G06F3/06
CPCG06F3/0611G06F3/0643G06F16/13
Inventor 吴家隐李先绪郑文武邱红飞黄植勤黄春光陈泳李志云陈辉
Owner CHINA TELECOM CORP LTD