Figure 6-3 Activity And Fault Indicators On Front Of Drive Enclosure - Silicon Graphics TP9400 RAID Owner's Manual

6: Drive Enclosure Operation
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1. Use the storage management software (TPSSM7) to determine the status of your
system components and any special instructions before proceeding. The operating
system software may require you to perform other procedures before turning off the
power.
2. Stop all I/O activity to the drive enclosure.
If applicable, use the storage management software (TPSSM7) to logically
disconnect the drive enclosure from the host. Make sure that all the drive Activity
indicators on the front of the drive enclosure are not blinking (indicating I/O
activity) and that the Fast Write Cache indicator light on the applicable controller
enclosure is off (not blinking).
3. Make sure that all the drive enclosure Fault indicators are off.
If a Fault indicator is on, correct the problem before turning off the power. Use the
storage management software (TPSSM7) to diagnose and fix the problem.
Drive Activity Indicator
Figure 6-3 Activity and Fault Indicators on Front of Drive Enclosure
Warning:
To shut off all power to the drive enclosure, you must turn off both
power switches and disconnect both power cords. The drive enclosure has two
power switches and two power cords.
4. Turn off both power switches on the rear of the drive enclosure or the main circuit
breaker, whichever is applicable (Figure 6-1).
Drive Fault Indicator
Global Fault Indicator
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007-4304-003