Computer system, storage system and configuration management...

Details Computer system, storage system and configuration management... Computer system, storage system and configuration management...

2011-01-18

2011-01-18

Le, Dieu-Minh (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S005110

Reexamination Certificate

active

07873866

ABSTRACT:
Maintenance storage system by storage system is enabled, and the removal or replacement of a storage system is enabled while continuing the operation of a system.In a computer system including a first storage system having a plurality of first storage devices and a second storage system having a plurality of second storage devices, when the number of the first storage devices under normal operation in the first storage system is equal to or smaller than a predetermined threshold, and data stored in the first storage devices under normal operation can be migrated to the second storage devices, the data stored in the first storage devices under normal operation are duplicated to the second storage devices, and information indicating that the first storage system can be removed from the computer system is output.

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patent: 2006/0200697 (2006-09-01), Ito
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patent: 2008/0147934 (2008-06-01), Nonaka et al.
patent: 7-141121 (1995-06-01), None
patent: 2008-97318 (2008-04-01), None
patent: 2008-97331 (2008-04-01), None
U.S. Appl. No. 12/010,846, filed Jan. 30, 2008.
U.S. Appl. No. 12/068,088, filed Feb. 1, 2008.

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