Storage system

Details Storage system Storage system

2005-04-26

2008-08-05

Bonzo, Bryce P. (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

07409605

ABSTRACT:
The failure management sections of a host computer and a storage unit are connected through a failure reporting interface. When a failure occurs in the storage unit, the failure information is notified from the failure management section of the storage unit to the failure management section of the host computer through the failure reporting interface, and the failure management section of the host computer deletes the failure information detected by software in the host computer based on the failure information from the storage unit. In this manner, the management of the failure information in the storage system can be unified by the service processor of the host computer. Consequently, it becomes possible to determine whether a failure generated in a host computer is a secondary failure or tertiary failure and to show the defect part indicating information minimum necessary for the maintenance and replacement.

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