Invention Grant
US08447924B2 Computer system having an expansion device for virtualizing a migration source wherein the operation mode of the computer is set to a cache through or write after mode
有权
具有用于虚拟化迁移源的扩展装置的计算机系统，其中计算机的操作模式被设置为高速缓存或通过写入模式
- Patent Title: Computer system having an expansion device for virtualizing a migration source wherein the operation mode of the computer is set to a cache through or write after mode
- Patent Title (中): 具有用于虚拟化迁移源的扩展装置的计算机系统，其中计算机的操作模式被设置为高速缓存或通过写入模式
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Application No.: US13451640Application Date: 2012-04-20
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Publication No.: US08447924B2Publication Date: 2013-05-21
- Inventor: Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
- Applicant: Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Brundidge & Stanger, P.C.
- Priority: JP2006-136869 20060516
- Main IPC: G06F13/00
- IPC: G06F13/00
Abstract:
A migration destination storage creates an expansion device for virtualizing a migration source logical unit. A host computer accesses an external volume by way of an access path of a migration destination logical unit, a migration destination storage, a migration source storage, and an external volume. After destaging all dirty data accumulated in the disk cache of the migration source storage to the external volume, an expansion device for virtualizing the external volume is mapped to the migration destination logical unit.
Public/Granted literature
- US20120203963A1 COMPUTER SYSTEM HAVING AN EXPANSION DEVICE FOR VIRTUALIZING A MIGRATION SOURCE Public/Granted day:2012-08-09
Information query
