IBM N7800, Hardware And Service Manual

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Attention: The fan modules are keyed and can only be installed one way. If
the fan module does not fit properly, flip the module 180 degrees and reinstall
it.
4.
Finish seating the fan by pushing firmly on the edges of the fan housing. When
properly seated, the locking tab engages the handle.
5. Tighten the thumbscrew on the cam handle.
6. Reinstall the bezel.
7. Run diagnostics on the replacement fan module during the next scheduled
system downtime. See the
IBM System Storage N series Diagnostics Guide for
more information.
Completing the replacement process
Return the failed part to IBM. Contact IBM Service and Support at 1-800-IBM-SERV
(1-800-426-7378) for more information on the return procedure.
Installing or replacing the RLM in an N7000 series system
To install or replace a Remote LAN Module (RLM) in the system, you must
perform the following tasks in order.
About this task
v
You can use this procedure with all versions of Data ONTAP supported by your
system.
v
This procedure refers to HA pairs , which in releases prior to Data ONTAP 8.0
were called active/active configurations .
v
All other components in the system must be functioning properly; if not, contact
technical support.
Shutting down the node
You shut down a node using different procedures, depending on whether it is a
stand-alone system or part of an HA pair.
Shutting down a node in an HA pair
To shut down the node you must determine the status of the node and, if
necessary, take over the node so that the partner continues to serve data from the
node's storage.
Procedure
1.
Check the status of the target node (the node you want to perform maintenance
on) by entering the following command at the system console of either node:
For... Issue the command...
7-Mode
cf status
Cluster-Mode
storage failover show
2.
Take one of the following actions, depending on the result of the
storage
failover show
or
cf status
command:
If... Then...
Neither node is in takeover mode Go to the next step in this procedure.
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IBM System Storage: N7000 Series Hardware and Service Guide