HP StorageWorks X9720 Network Storage System Controller User Guide (496784-002, December 2009)

Is the SAS controller LED amber?
Possible solutionsPossible reasonsAnswer
No action requiredFunctioning properly.No (green)
Check seven-segment display
for error codes. See Chapter 4.
Make sure that the controller is
seated properly by pressing the
controller firmly into its bay after
the handle has clicked in place.
Contact an authorized service
provider for assistance.
The controller has locked.
The controller has failed.
Other fault condition exists.
Yes
Is the fan LED amber?
Possible solutionsPossible reasonsAnswers
No action requiredFunctioning properly.No (green)
Be sure that the fan is undam-
aged and is fully seated.
Contact an authorized service
provider for assistance.
Fan may not be inserted properly,
it may have a damaged connector,
or it may have failed.
Yes
Is the UID module System Status LED amber?
Possible solutionsPossible reasonsAnswers
No action requiredFunctioning properly.No (green)
Be sure that the UID module is
undamaged and is fully seated.
Contact an authorized service
provider for assistance.
UID module may not be inserted
properly, it may have a damaged
connector, or it may have failed.
Yes
Recognizing hard drive failure
In an HP enclosure, a steadily glowing fault LED indicates that a drive has failed.
Factors to consider before replacing hard drives
In systems that use external data storage, be sure that the server is the first unit to be powered off and
the last to be powered back on.
Before replacing a degraded drive:
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