Troubleshooting; Troubleshooting According To Device Conditions - RAID Xanadu User Manual

16. Troubleshooting

This chapter describes trouble conditions and actions for them. When trouble other than the
following is detected, or when you could not recover the disk array unit from the trouble by taking
the corresponding action, refer to 16.6 "Before You Call" and contact your sales representative or
16.7 "Contacts for Questions and Consultation".
16.1

Troubleshooting According to Device Conditions

In this section, troubles are classified as follows, according to the location where the trouble
occurs.
(1) Trouble in disk array unit (front panel LED status)
(2) Trouble in disk array unit (rear panel controller LED status)
(3) Trouble in disk array unit or disk enclosure (rear panel power LED status)
(4) Trouble in disk enclosure
(5) Trouble in extended BBU
(1) Trouble in disk array unit (front panel LED status)
Condition
POWER LED (green)
illuminates, but
SERVICE LED is out
POWER LED (green) is
out
This is not a fault.
This indicates that the disk array unit is in normal operation after
turning on.
his indicates the disk array unit power-on sequence has not been
completed.
It takes several minutes until POWER LED illuminates after turning
on the unit.
If POWER LED does not illuminate in 10 minutes, check the
following.
Confirm that AC power is being supplied to the unit.
Confirm that POWER GOOD LED on the back of the unit
illuminates. If this LED is out, check cable connection and power
source.
- -
138
Action