Disk Dropped offline in PE2850

[Brian O'Mahony]

This is more of a general question rather than linux specific.

A disk dropped offline this morning in a RAID5 array. Machine is running rhel4u6. The dedicated hotspare did NOT kick back in.

There is no sense key errors in the controller logs, no predictive fails or SMART errors. Log says disk was removed and then 5 seconds later reinserted.

The only thing I can find in the controller log is:

fail_reason=f4, channel=0, target=3

Its obviously the right disk, 0:3. What does fail_reason=f4 mean does anyone know?




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