仮想化システム、仮想サーバ、ファイル書き込み方法、及びファイル書き込みプログラム,申请号JP20130063888-传众专利搜索

仮想化システム、仮想サーバ、ファイル書き込み方法、及びファイル書き込みプログラム

申请公布号：JP6089855(B2)

申请号：JP20130063888

申请日期：2013.03.26

申请公布日期：2017.03.08

申请人：

日本電気株式会社

发明人：嶋田雅洋

分类号：G06F12/00;G06F9/445;G06F9/46

主分类号：G06F12/00

摘要：PROBLEM TO BE SOLVED: To reduce a used amount of a storage.SOLUTION: A virtualization system 1000 which generates a plurality of virtual machines using a master virtual machine as a master image and executes virtual machines of a difference disk format in which difference of each virtual machine is stored in a difference disk comprises a virtual server 10 including the plurality of virtual machines and a storage 300 storing the master image and the difference disk. The virtual server 10 comprises control means which stores a file block with the same content in the same address on each difference disk for each virtual machine.