Sun Microsystems StorEdge A3000, Руководство пользователя

Страница: 84 / 152

4-14 Sun StorEdge A3500/A3500FC Controller Module Guide • August 1999
4.3.4 Battery Is Weak or Dead
4.3.5 Write Cache Function Is Not Working Properly
TABLE 4-9
Battery Is Weak or Dead
Symptom Possible Causes Corrective Action Reference
Write cache disabled
by controller
Error message in
message log
Battery unit due for
replacement Check service date for battery unit. page 4-9
If near battery service date, replace
battery unit. page 7-6
Power turned off for
extended period and drained
batteries Turn on power to controller module
and allow to run 24 hours to
recharge batteries. If you still get
battery low message, go to next
symptom. page 3-2
Faulty battery harness Replace the battery harness (call
service technician). page 7-14
Battery is not fully charged Check the battery status again after
12 hours; recharge may take that
long.
TABLE 4-10
Write Cache Function Is Not Working Properly
Symptom Possible Causes Corrective Action Reference
Fast Write LED not
blinking (front panel) Write Cache function
disabled or data not being
downloaded Use RAID Manager to enable Write
Cache function or download data. If
still doesn’t work, go to next
possible cause.
Host SCSI or fibre optic cable
or interface problem 1. Make sure there are no Fault
LEDs on the controller module or
drives. Use RAID Manager to check
status of system. page 4-4
2. Check all Host SCSI or fibre optic
cables and connectors. page 6-2
Fast Write LED burned out Replace controller fan page 8-3
Battery dead Check service date for battery unit. page 4-9
If near battery service date, replace
battery unit. page 7-6