48
Troubleshooting
Is the enclosure rear panel FRU OK LED off?
Is the enclosure rear panel Fault/Service Required LED amber?
Are both disk drive module LEDs off (Online/Activity and Fault/UID)?
NOTE:
See
“Disk drives used in MSA 2050 enclosures” (page 11)
Is the disk drive module Fault/UID LED blinking amber?
Table 7
Diagnostics LED status: Rear panel “FRU OK”
Answer
Possible reasons
Actions
No
(blinking)
System functioning properly.
System is booting.
No action required.
Wait for system to boot.
Yes
The controller module is not powered on.
The controller module has failed.
•
Check that the controller module is fully inserted and latched in
place, and that the enclosure is powered on.
•
Check the event log for specific information regarding the failure.
Table 8
Diagnostics LED status: Rear panel “Fault/Service Required”
Answer
Possible reasons
Actions
No
System functioning properly.
No action required.
Yes
(blinking)
One of the following errors occurred:
•
Hardware-controlled power-up error
•
Cache flush error
•
Cache self-refresh error
•
Restart this controller from the other controller using the SMU or
the CLI.
•
If the above action does not resolve the fault, remove the
controller and reinsert it.
•
If the above action does not resolve the fault, contact an
authorized service provider for assistance. It may be necessary to
replace the controller.
Table 9
Diagnostics LED status: Front panel disks “Online/Activity” and “Fault/UID”
Answer
Possible reasons
Actions
Yes
•
There is no power.
•
The disk is offline.
•
The disk is not configured.
•
Check that the disk drive is fully inserted and latched in place, and
that the enclosure is powered on.
Table 10
Diagnostics LED status: Front panel disks “Fault/UID”
Answer
Possible reasons
Actions
No, but the
Online/Activity
LED
is blinking.
The disk drive is rebuilding.
No action required.
CAUTION:
Do not remove a disk drive that is
reconstructing. Removing a reconstructing disk drive might
terminate the current operation and cause data loss.