nPartition Administrator's Guide, Second Edition

NOTE: When you deallocate a DIMM, all other DIMMs in the echelon also will not be used
the next time the nPartition boots.
dimmconfig cell dimm OFF deconfigures the specified DIMM (dimm) on the cell (cell)
indicated.
dimmconfig cell dimm ON configures the DIMM on the cell.
Use dimmconfig cell to display the DIMM configuration for a cell.
Enter the help dimmconfig command for more details.
4. Reboot the nPartition using the reset command.
Whenever changing memory configurations you must reboot the corresponding nPartition
to allow the configuration changes to take place.
5. Exit the console and service processor interfaces if finished using them.
To exit the EFI environment type ^B (Control-B); this exits the nPartition console and returns
to the service processor Main Menu. To exit the service processor, type X at the Main Menu.
Complex Health Analysis of a Server
You can analyze the general hardware and configuration status of a cell-based server by using
the Partition Manager Complex→Analyze Complex Health action, as described in the following
procedure.
This feature scans the server complex and uses problem detectors to check the operating status
of cells, I/O chassis, fans and blowers, and power supplies.
Procedure 7-16 Complex Health Analysis of a Server (Partition Manager)
Use the Complex→Analyze Complex Health action to quickly check the operating status of a
server complex from Partition Manager.
1. Access Partition Manager.
For details on accessing Partition Manager or other tools, see “Tools for Managing Hardware”
(page 201).
2. Use the Complex→Analyze Complex Health action to have Partition Manager analyze the
general hardware and configuration status for the server complex.
Partition Manager displays a report of the hardware analysis results. To re-analyze the server
health click the Refresh button.
3. Exit Partition Manager.
From Partition Manager Version 1.0, select the File→Exit action.
From Partition Manager Version 2.0, select Log off parmgr or exit the Web browser when
finished.
222 Managing Hardware Resources