Method and device for converting virtual disk file format

A technology for virtual disk and format conversion, applied in the computer field to achieve the effect of real-time conversion

Active Publication Date: 2021-09-03
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] An object of this application is to provide a method and device for converting virtual disk file formats to solve the problem of online, seamless and real-time conversion of virtual disk file formats

Method used

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  • Method and device for converting virtual disk file format
  • Method and device for converting virtual disk file format
  • Method and device for converting virtual disk file format

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Embodiment Construction

[0043] The application will be described in further detail below in conjunction with the accompanying drawings.

[0044] In a typical configuration of the present application, the terminal, the device serving the network and the trusted party all include one or more processors (CPUs), input / output interfaces, network interfaces and memory.

[0045] Memory may include non-permanent storage in computer readable media, in the form of random access memory (RAM) and / or nonvolatile memory such as read only memory (ROM) or flash RAM. Memory is an example of computer readable media.

[0046] Computer-readable media, including both permanent and non-permanent, removable and non-removable media, can be implemented by any method or technology for storage of information. Information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random acce...

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PUM

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Abstract

The purpose of this application is to provide a method and device for converting virtual disk file formats. Compared with the prior art, the present application obtains the processing request of the virtual machine about the target data in the target virtual disk file, and then detects whether there is data in the target data format to be converted, if there is data in the target data format to be converted , writing the data corresponding to the source location information in the source virtual disk file to the target location information of the data to be converted in the target virtual disk file as the data to be converted, so as to realize online, seamless and real-time Converting the format of the virtual disk file, and then executing the processing request on the target data ensures that the user can use the virtual machine or the disk of the virtual machine without waiting for any time.

Description

technical field [0001] The present application relates to the computer field, in particular to a technology for converting virtual disk file formats. Background technique [0002] In the elastic computing cloud, the disk of the virtual machine is implemented based on the virtual disk file, and all the data of the virtual machine are stored in this file. Different virtualization platforms will design and implement a set of virtual disk file formats to efficiently organize and manage the disk space of virtual machines. Common virtual machine disk file formats include: VHD on the XEN platform, Qcow2 on the KVM&QEMU platform, vmdk on VMware, and native raw formats, etc. The coexistence of multiple disk format files brings obvious problems. Cloud computing vendors generally only support a certain disk format, such as AWS only supports VHD, Azure only supports VHD, ucloud only supports Qcow2, etc. At present, none of the cloud service providers in the industry realizes online c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/178G06F16/188
CPCG06F16/1794
Inventor 陈伟才彭磊
Owner ALIBABA GRP HLDG LTD
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