Fujitsu PRIMEQUEST 1000 Series User Manual page 734

Meaning:
The HDD state changed from offline to failed.
%2: Device name
Corrective action:
Replace the offline HDD. Perform a rebuild.
Severity:
Error
Action:
(R/M/T/S)
18561
SV RAID:%2 Device error (State change by user on disk from operational
to offline)
Meaning:
The HDD state changed from operational to offline.
%2: Device name
Corrective action:
Replace the offline HDD. Perform a rebuild.
Severity:
Warning
Action:
SVmco User Guidel
726