Closed loop adaptive prestage method, system, and product...

Details Closed loop adaptive prestage method, system, and product... Closed loop adaptive prestage method, system, and product...

2006-07-18

2006-07-18

Moazzami, Nasser (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C712S207000

Reexamination Certificate

active

07080212

ABSTRACT:
A method, system, and computer program product are disclosed for dynamically determining and adjusting a number of data blocks to be prestaged in a cache included in the storage device. The storage device receives and processes input/output (I/O) requests. Information about the I/O requests and about the processing of the requests by the storage device is accumulated. The information is then used to dynamically adjust a prestaging policy as the storage device receives and processes requests. The prestaging policy defines a current number of data blocks to be prestaged in the cache.

REFERENCES:
patent: 6012106 (2000-01-01), Schumann et al.
patent: 6253289 (2001-06-01), Bates et al.
patent: 2000076017 (2000-03-01), None

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