Storage system and method for controlling cache residency...

Details Storage system and method for controlling cache residency... Storage system and method for controlling cache residency...

2011-04-19

2011-04-19

Patel, Hetul (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S112000, C711SE12019, C710S052000

Reexamination Certificate

active

07930482

ABSTRACT:
In a storage system adopting an external storage connection configuration, a first storage apparatus is capable of integrally managing the cache residency settings made in second storage apparatuses, which serve as external storage apparatuses. The first storage apparatus stores the cache residency information for the second storage apparatuses, i.e., external storage apparatuses, in a shared memory thereof. When the storage system receives a cache residency setting request from a management device or the like, the first storage apparatus issues a cache residency setting instruction to a second storage apparatus with reference to the residency information. In accordance with the setting instruction, the second storage apparatus sets a cache-resident area in a cache memory thereof.

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patent: 2005/0240724 (2005-10-01), Koizumi et al.
patent: 2010/0199055 (2010-08-01), Furuhashi et al.
patent: 10063576 (1998-03-01), None
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