Disk cache management method of disk array device

Details Disk cache management method of disk array device Disk cache management method of disk array device

2006-04-18

2006-04-18

Anderson, Matthew D. (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S114000

Reexamination Certificate

active

07032068

ABSTRACT:
A local memory mounted on a host director is provided with a local cache management region for managing a cache page at a steady open state in a cache management region on a shared memory, so that even after data transfer is completed after the use of a cache page on the shared memory subjected to opening processing is finished, the cache page in question is kept open at the steady open state without closing the cache page in question and when an access to the cache page in question is made from the same host director, processing of opening the cache page in question is omitted to improve response performance.

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patent: 2001-166993 (2001-06-01), None
Japanese Office Action dated Aug. 30, 2005 with a partial English translation, MAT.018 2002-026380.

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