Disk array system and failure recovering control method

Details Disk array system and failure recovering control method Disk array system and failure recovering control method

2006-10-10

2008-09-09

Lohn, Joshua A (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S006130

Reexamination Certificate

active

07424639

ABSTRACT:
In a disk array system composed of a disk controller connected to a host system and a maintenance terminal and a disk array connected to the disk controller via a disk channel, when failure occurs in a drive in the disk array, the disk controller writes data stored in a plurality of disk drives on a faulty board on which a faulty drive is mounted into substitution disk drives and informs the maintenance terminal that the faulty board is replaceable after the reorganization of logical groups is completed.

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