Storage control apparatus and control method thereof

Details Storage control apparatus and control method thereof Storage control apparatus and control method thereof

2008-09-02

2008-09-02

Dillon, Sam (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S100000, C711S117000, C711S119000, C711S120000, C711S124000

Reexamination Certificate

active

10717335

ABSTRACT:
A storage control apparatus controls physical disks according to the host access using a pair of controllers, while mirroring processing is decreased when data is written to a cache memory and high-speed operation is enabled. The mirror management table is created with allocating the mirror area of the cache memory of the other controller, and acquisition of a mirror page of the cache memory of the other controller is executed referring to the mirror management table without an exchange of mirror page acquisition messages between the controllers.

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