Storage system for multi-site remote copy

Details Storage system for multi-site remote copy Storage system for multi-site remote copy

2006-09-05

2006-09-05

Thai, Tuan V. (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Shared memory area

C711S100000, C711S154000, C711S161000

Reexamination Certificate

active

07103727

ABSTRACT:
Information about remote copy target volumes of other storage systems2each having one and the same original volume V1is registered for each remote copy target volume in advance. When there occurs a failure in a copy source storage system2, a copy source volume for remote copy target volumes using the storage system2having a failure as their copy source is selected newly from the registered copy source volumes, and remote copy is resumed.

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Specification including claims, Abstract and drawings for U.S. Appl. No. 10/096,375, filed Mar. 8, 2002.

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