Digital PRIORIS ZX Server
Troubleshooting
MCS Logistics Engineering - Nijmegen
83
RAID Troubleshooting
Problem
Possible Cause
Action
SBB fault LED
lit
Disk drive failed.
Replace disk drive.
SBB activity
and fault LEDs
lit
Disk drive hung or has failed.
Replace disk drive.
SBB fault LED
flashing
Disk drive failed and is spinning
down.
Replace disk drive.
SBB fault status
is either on or
off; fault status
LED flashing
Disk drive is active and spinning
down due to a fault.
Correct the fault or replace the disk drive.
Replaced SBB
drive does not
spin up to speed
SBB drive not seen by RAID
controller.
Manually rebuild the SBB drive.
Remove the SBB drive, wait 20 seconds, reinsert
SBB drive. Wait one minute and then rebuild the
SBB drive.
Multiple SBB
drives have
failed
No power available.
Restore power, run the RAID configuration utility
and change the state of any failed (FLD) SBB
drive to optimal (OPT).
Run the RAID configuration utility and check for
bad blocks on the SBB drives. Repair any bad
blocks.
SBB drive not
seen by RAID
host adapter
SCSI cable not connected.
Incorrect SCSI termination.
Duplicate SCSI IDs on the bus.
Defective SBB drive.
SBB drive improperly inserted.
Defective RAID host adapter
SCSI channels.
Check all SCSI connections.
Properly terminate the SCSI bus.
Check SBB drive SCSI ID settings.
Replace SBB drive.
Reinsert SBB drive.
Replace the RAID host adapter.
