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Virtual disk image logic partitioning-based on-demand software distribution method

A technology of virtual disk and logical partition, applied in software simulation/interpretation/simulation, program control device, input/output to record carrier, etc., can solve problems such as waste

Inactive Publication Date: 2010-12-15
NAT UNIV OF DEFENSE TECH
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  • Abstract
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Problems solved by technology

[0010] The technical problem to be solved by the present invention is: on the premise of satisfying user software usage types and performance requirements, further reduce the overhead of software deployment in the virtual machine environment, simplify the management of virtual disk images and avoid waste of disk space, and support persistent software Update to meet the needs of dynamic construction and rapid deployment of large-scale virtual machine environments

Method used

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Embodiment Construction

[0113] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0114] Figure 4 Is the general flowchart of the present invention. It mainly includes the following 4 steps:

[0115] 1. Extend the function of the virtual machine manager VMM. The extension to VMM includes a software number and alias management submodule, a software number and alias management command and a software management command extended in the user interaction module of the VMM. In the block device driver module of VMM, the software block bitmap reading and writing submodule, the global block distribution bitmap reading and writing submodule, the client cache initialization submodule, the on-demand block submodule and the SHA1 list file management submodule are expanded. The software number and alias management submodule assigns software numbers and software aliases to the software installed in the virtual disk according to the installation order;...

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Abstract

The invention discloses a virtual disk image logic partitioning-based on-demand software distribution method. The method comprises the following steps that: by adopting a system structure of a client / server, a server stores virtual disk images of all virtual machines and logically partitions a conventional single virtual disk image into a plurality of disk block sets by respectively recording disk blocks occupied when every kind of software is installed; and then a software distribution service program of the server and a client program of a client distribute the disk block sets corresponding to software as required through the interaction of a client / server mode according to the software requirements of users so as to reduce the expense on software distribution and quicken software allocation.

Description

technical field [0001] The invention relates to a software distribution method in the field of computer system structure, in particular to an on-demand software distribution method based on virtual disk logic division. Background technique [0002] The rapid development of computer software, hardware and network technology makes it possible to build a large-scale computing environment, which has been widely used in grid computing, e-commerce, network teaching and other fields. The large-scale computing environment is characterized by distribution, heterogeneity and large scale, which makes system management very difficult. Software provisioning in a large-scale computing environment is an outstanding difficult problem. In a large-scale computing environment, various software needs to be installed and configured for each client, and updated in real time or periodically. Generally, the software distribution method based on the installation of each user is adopted. This metho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06G06F9/455
Inventor 肖侬陈斌蔡志平
Owner NAT UNIV OF DEFENSE TECH
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