The maintenance analysis procedures (MAPs) inform you how to analyze a failure that
occurs with a system node.
About this task
SAN Volume Controller
nodes
must be configured in pairs so you can perform concurrent maintenance.
When
you service one node, the other node keeps the storage area network
(SAN) operational. With concurrent maintenance, you can remove, replace,
and test all field replaceable units (FRUs) on one node while the
SAN and host systems are powered on and doing productive work.
Note: Unless
you have a particular reason, do not remove the power from both nodes
unless instructed to do so. When you need to remove power, see
MAP 5350: Powering off a node.
Procedure
-
To isolate the FRUs in the failing node, complete the actions and answer the questions that are
given in these maintenance analysis procedures (MAPs).
- When instructed to exchange two or more FRUs in sequence:
- Exchange the first FRU in the list for a new one.
- Verify that the problem is solved.
- If the problem remains:
- Reinstall the original FRU.
- Exchange the next FRU in the list for a new one.
-
Repeat steps 2 and 3
until either the problem is solved, or all the related FRUs are exchanged.
-
Complete the next action that is indicated by the MAP.
- If you are using one or more MAPs because of a system
error code, mark the error as fixed in the event log after the repair,
but before you verify the repair.
Note: Start all problem determination procedures and repair
procedures with
MAP 5000: Start.