Invention Grant
- Patent Title: Lock manager rotation in a multiprocessor storage area network
- Patent Title (中): 在多处理器存储区域网络中锁定管理员旋转
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Application No.: US11605614Application Date: 2006-11-27
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Publication No.: US07844784B2Publication Date: 2010-11-30
- Inventor: Maurilio Cometto , Jeevan Kamisetty , Arindam Paul , Varagur V. Chandrasekaran
- Applicant: Maurilio Cometto , Jeevan Kamisetty , Arindam Paul , Varagur V. Chandrasekaran
- Applicant Address: US CA San Jose
- Assignee: Cisco Technology, Inc.
- Current Assignee: Cisco Technology, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Weaver Austin Villeneuve & Sampson LLP
- Main IPC: G06F13/18
- IPC: G06F13/18

Abstract:
In one embodiment, a solution is provided wherein a lock manager is kept moving among multiple cores or processors in a multi-core or multi-processor environment. By “hopping” the lock manager from processor to processor, a bottleneck at any of the processors is prevented. The frequency of movement may be based on, for example, a counter that counts the number of input/outputs handled by the lock manager and moves the lock manager to a different processor once a determined threshold is met. In another embodiment of the present invention, the frequency of the movement between processors may be based on a time that counts the amount of time the lock manager has been operating on the processor and moves the lock manager to a different processor once a predetermined time is reached.
Public/Granted literature
- US20080126726A1 Lock manager rotation in a multiprocessor storage area network Public/Granted day:2008-05-29
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