Invention Grant
US07886119B1 Time and space efficient technique for creating virtual volume copies
有权
用于创建虚拟卷副本的时间和空间有效的技术
- Patent Title: Time and space efficient technique for creating virtual volume copies
- Patent Title (中): 用于创建虚拟卷副本的时间和空间有效的技术
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Application No.: US11679728Application Date: 2007-02-27
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Publication No.: US07886119B1Publication Date: 2011-02-08
- Inventor: George R. Cameron , Hueichian Huang
- Applicant: George R. Cameron , Hueichian Huang
- Applicant Address: US CA Fremont
- Assignee: 3PAR Inc.
- Current Assignee: 3PAR Inc.
- Current Assignee Address: US CA Fremont
- Agency: Patent Law Group LLP
- Agent David C. Hsia
- Main IPC: G06F12/00
- IPC: G06F12/00
Abstract:
A chain of snapshots includes a more recent snapshot with a data block copied from a base volume, a less recent snapshot with a skip-pointer that leads to the data block in said more recent snapshot, and one or more intermediate snapshots between the more recent snapshot and the less recent snapshot in the chain of snapshots.
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