Invention Grant
- Patent Title: Optimized rollback of copy-on-write snapshot volumes
- Patent Title (中): 优化的写时复制快照卷的回滚
-
Application No.: US11604513Application Date: 2006-11-27
-
Publication No.: US07757057B2Publication Date: 2010-07-13
- Inventor: Satish Sangapu , Joseph G. Moore , William A. Hetrick
- Applicant: Satish Sangapu , Joseph G. Moore , William A. Hetrick
- Applicant Address: US CA Milpitas
- Assignee: LSI Corporation
- Current Assignee: LSI Corporation
- Current Assignee Address: US CA Milpitas
- Agency: Suiter Swantz pc llo
- Main IPC: G06F12/16
- IPC: G06F12/16

Abstract:
The present invention is an optimized method for the rollback of copy-on-write snapshot volumes. A method in accordance with the present invention may comprise the following steps: (a) creating a copy-on-write snapshot volume; (b) receiving a base volume write request addressed to a base volume data block; (c) executing copy-on-write operations; (d) receiving a snapshot volume rollback request; (e) disabling the copy-on-write operations; and (f) executing volume copy operations.
Public/Granted literature
- US20080126699A1 Optimized rollback of copy-on-write snapshot volumes Public/Granted day:2008-05-29
Information query