Apparatus and method to provide data storage device failover...

Details Apparatus and method to provide data storage device failover... Apparatus and method to provide data storage device failover...

2005-11-01

2005-11-01

Le, Dieu-Minh (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S013000

Reexamination Certificate

active

06961867

ABSTRACT:
A method and apparatus to provide failover capability to a data storage and retrieval system in the event of a failure of a data storage drive, where that data storage and retrieval system includes one or more active data storage devices and one or more reserve data storage devices. In the event of a failure of an active data storage device, Applicants' data storage and retrieval system suspends all pending operations using that failed device, allocates a reserve data storage device to perform those suspended operations, and then resumes those suspended operations.

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patent: 2003/0041283 (2003-02-01), Murphy et al.
patent: 2003/0126315 (2003-07-01), Tan et al.
IBM, DFSMS/MVS Version 1 Release 4, GC26-4900-05, General Information, 1997, pp. 1-167.

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