Disk drive LEDs
Each drive carrier module incorporates two LEDs, green and amber, as shown in the following figures for
the different drive carriers.
Figure 19. 3.5" Drive Carrier LEDs
• In normal operation the green LED will be on and will flicker as the drive operates.
• In normal operation the amber LED state will be:
– Blinking if no drive is present
– Off as the drive operates
– On if there is a drive fault
Power off
About this task
CAUTION: You must power off your head node first, then power off the disk enclosure.
To power the enclosure system down, switch off the PCM(s) installed in the enclosure by moving the PCM
switch to the "Off" position.
Chapter 4. Operation 23