Disc storage system having cache memory which stores compressed

Details Disc storage system having cache memory which stores compressed Disc storage system having cache memory which stores compressed

1997-11-04

2000-09-05

Chan, Eddie P.

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

710 68, G06F 1208

Patent

active

061157872

ABSTRACT:
In order to store plural compressed records into a cache memory of a disk storage system in an easy-to-read manner, data to be stored in the cache memory is divided into plural data blocks each having two cache blocks in association with track blocks to which the data belongs and are compressed. The respective data blocks after the compression are stored in one or plural cache blocks. Information for retrieving each cache block from an in-track address for the data block is stored as part of retrieval information for the cache memory. When the respective data blocks in a record is read, the cache block storing the compressed data block is determined based on the in-track address of the data block and the retrieval information.

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