Invention Grant
- Patent Title: Multiple concurrent active file systems
- Patent Title (中): 多个并发活动文件系统
-
Application No.: US12698223Application Date: 2010-02-02
-
Publication No.: US07962531B2Publication Date: 2011-06-14
- Inventor: David Hitz , John K. Edwards , Blake H. Lewis
- Applicant: David Hitz , John K. Edwards , Blake H. Lewis
- Applicant Address: US CA Sunnyvale
- Assignee: NetApp, Inc.
- Current Assignee: NetApp, Inc.
- Current Assignee Address: US CA Sunnyvale
- Agency: Cesari and McKenna, LLP
- Main IPC: G06F17/30
- IPC: G06F17/30

Abstract:
A method and apparatus for operating a data storage system is disclosed. An original active file system holds incoming write transactions. Data is written at a selected time to blocks in a data storage device of the original active file system, the data written to blocks which do not hold old data of the data storage system. Pointers to data of the original active file system are written at the selected time to the data storage device, the pointers written to blocks which do not hold old data of the data storage system, the pointers and a previously saved data of the active file system forming a consistency point of the original active file system at the selected time. A new active file system is started using the consistency point of the original active file system at the selected time.
Public/Granted literature
- US20100138394A1 MULTIPLE CONCURRENT ACTIVE FILE SYSTEMS Public/Granted day:2010-06-03
Information query