Dell PowerVault 735N (Rackmount NAS Appliance) - Manual (Page 43)

Codes and Error Messages: Dell PowerVault 735N Systems Service Manual
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Table 4 lists the drive indicator patterns established by the SCSI backplane firmware. Different patterns are
displayed as drive events occur in the system. For example, in the event of a hard-disk drive failure, the
"drive failed" pattern appears. After the drive is selected for removal, the "drive being prepared for removal"
pattern appears, followed by the "drive ready for insertion or removal" pattern. After the replacement drive is
installed, the "drive being prepared for operation" pattern appears, followed by the "drive online" pattern.
Table 4. SCSI Hard-Disk Drive Indicator Patterns
Condition Indicator Code
Identify drive All three drive status indicators blink simultaneously.
Drive being prepared for
removal The three drive status indicators flash sequentially.
Drive ready for insertion or
removal All three drive status indicators are off.
Drive being prepared for
operation The drive online indicator is on. The drive activity light may flash briefly.
Drive bay empty All three drive status indicators are off.
Drive predicted failure The drive online indicator is on. The drive failure indicator blinks on
briefly each second.
Drive failed The drive online indicator turns off. The drive failure indicator blinks off
briefly each second.
Drive rebuilding The drive online indicator blinks rapidly.
Drive online The drive online indicator is on.
Drive active or in use The drive activity indicator is flashing.
Power Supply Indicators