HP Surestore Disk Array 12h - And FC60, Service Manual, Page: 545 / 746

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545
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ooting
Table 67 Controller Enclosure Troubleshooting Flowchart (Sheet 1 of 5)
Start
Power LED on?
Look at the
Array Controller’s
FRONT PANEL
LEDs
Fast Write
Cache LED on or
flashing?
No Data in Write Cache.
Indicates one of the
following conditions:
1. No I/O
2. Cache disabled
Any Other
FRONT PANEL LEDs
on besides Power or
Cache?
Fault
Condition
Data is in
Write Cache
Array Enclosure Power Problem
Check for:
1. Power Cords
2. Power Switch
3. PDU
4. A/C Breaker
5. Controller Fan module is unplugged
6. BOTH Power Supplies are bad
7. BOTH Power Supplies overheated
(Thermal Shutdown)
8. Midplane is bad
9. Wiring harness is bad
No
No
Yes
Yes
Yes
Go to
B
Check the Host for errors using STM, AM60 and
syslog.log. Intermittnet problems can be caused
by the following:
1. Missing patches
Install latest driver patches
2. Firmware level
Install latest Firmware levels
3. Unsupported configurations.
4. Host adapter
5. FC Cables
6. Controller Module
Experiencing Intermittent
or interface
problems?
Yes
End
No
No
Normal Array
Enclosure LED
Status
Power is being
applied to the Array
Enclosure.
Go to
E
A
BBU may be faulted or
charging, proceed to E.