IBM DCS3860, Installation, User'S, And Maintenance Manual

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Table 17. 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 18. 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 flashing 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
Figure 34. Disk drive LEDs
Chapter 4. Operating the DCS3860 storage system and EXP3800 expansion enclosure
67