Storage system, and control method, job scheduling...

Details Storage system, and control method, job scheduling... Storage system, and control method, job scheduling...

2006-08-29

2006-08-29

Beausoliel, Robert (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S005110, C714S022000

Reexamination Certificate

active

07100074

ABSTRACT:
An arbitrary number of a plurality of physical devices are mapped to each logical device provided for a host as a working unit, while considering a priority given to each logical device, and with each physical device being made up of a plurality of disk devices. This arrangement allows dirty data to be quickly saved to the disk devices in the order of logical device priority in the event of a failure. Furthermore, jobs are preferentially processed for important tasks in the event of a failure to reduce deterioration of the host processing performance.

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