Apparatus and method to proactively address hard disk drive...

Details Apparatus and method to proactively address hard disk drive... Apparatus and method to proactively address hard disk drive...

2011-06-28

2011-06-28

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

07971093

ABSTRACT:
The input/output (I/O) performance of a hard disk drive in a mass storage computer system is evaluated to maintain efficiency by addressing I/O commands to sectors of the disk drive, evaluating the execution of the I/O commands to the sectors to obtain performance information for the sectors to which the I/O commands are addressed, comparing the performance information to a predetermined I/O performance criterion, and identifying any impaired sectors in which the performance information indicates less than the predetermined I/O performance criterion. Thereafter, further I/O commands to the impaired sectors are avoided.

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