B-18 Sun StorEdge 3000 Family Installation, Operation, and Service Manual • May 2004
FIGURE B-5 JBOD or Expansion Unit Troubleshooting Flowchart, 2 of 2
5B
JBOD or expansion unit problem (FC)
Replace
I/O expansion
module.
Possible midplane
failure.
Replace chassis.
Resolved? No
No
End
Has a
controller failure
occurred?
Ye s
End
Ye s
Has a
data error
occurred?
Correct data error.Ye s
Switch controller with
know good controller.
No
Resolved? Ye s End
No
Replace chassis.
End
End
--Reseat the FRU that is not operating correctly.
--Swap the questionable FRU with a known-good
FRU from the same array.
Notes
Prior to replacing a chassis, try the following:
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