Fujitsu PRIMEQUEST 1000 Series User Manual page 725

SVmco User Guide
Action:
(R/M/T/S)
18546
SV RAID:%2 Device error (State change on logical drive from partially
degraded to partially degraded)
Meaning:
The logical drive entered the degraded state.
%2: Device name
Corrective action:
Replace the degraded HDD. Perform a rebuild.
Severity:
Error
Action:
(R/M/T/S)
18547
SV RAID:%2 Device error (State change on logical drive from partially
degraded to failed)
Meaning:
The logical drive state changed from degraded to offline.
%2: Device name
717