Table 16. Disk drive LEDs
Number LED Normal Status Problem Status
1 Service Action Allowed
Off On (Blue): The disk drive can be
removed
2 Service Action Required (Fault)
Off On (Amber): A fault exists within
the disk drive
Table 17. Drive state indicated by the LEDs
Drive State
Drive Power LED
(Green)
Drive Service Action
Required LED (Amber)
Drive Service Action
Allowed LED (Blue)
Power is not applied Off Off Off
Normal operation: The power is
turned on but there is no drive
I/O activity
On Off Off
Normal operation: Drive I/O
activity is occurring
Blinking Off Off
Service Action Required: A fault
condition exists and the drive is
offline
On On On
Power is applied but drives are
spun-down because they are
offline, are part of an "Exported -
Ready to import" array, or are
incompatible or not certified.
Off Off On
Seven-segment numeric display LEDs
The seven-segment numeric display LEDs provide information about enclosure identification and
diagnostics. Figure 58 on page 80 shows the numeric display LEDs.
Figure 57. Disk drive LEDs
Chapter 4. Operating the DCS3700 storage system and expansion enclosure 79