Storage subsystem with management site changing function

Details Storage subsystem with management site changing function Storage subsystem with management site changing function

2005-06-21

2005-06-21

Anderson, Matthew D. (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S154000, C710S038000, C709S241000

Reexamination Certificate

active

06910101

ABSTRACT:
A storage subsystem which includes a plurality of disk controllers, a plurality of disk drives connected via a network to the plurality of disk controllers, and a path controller connected to the plurality of disk controllers. The path controller changes a management site which manages a volume in each disk drive managed by each disk controller, from one disk controller to another. The path controller has a correspondence table which stores a correspondence between a volume number of a volume in each disk drive and identification information of the disk controller which manages a volume corresponding to the volume number.

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