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This procedure is for removing a NEM if you do not plan to replace it. If you plan to replace a NEM, see Replacing a NEM.
You can remove a NEM from a powered-on chassis using a hot-plug operation, as well as from a powered-off chassis. The server modules must be informed if you are replacing a non-redundant NEM.
Caution - If the chassis is powered on and you are not replacing the NEM within 60 seconds, install an NEM filler panel to ensure proper system operation.
Before You Begin
If you are removing a NEM from a powered on chassis, read the hot-plug guidelines in Performing Hot Plug Insertion and Removal and follow the instructions in How to Prepare the PCIe Interface for Hot Removal and How to Prepare SAS Interfaces for Hot Plug Removal.
See Using Hot Plug Commands for information on how to use the ILOM Prepare to Remove command.
Note - Pushing the ATTN button twice within 5 seconds will cause the Power/OK LED to return to solid green. This will cancel the request for a NEM removal.
The NEM green Power/OK begins to slow blink.
Note - Slow blink is 1 Hz.
The OK- to-Remove blue LED illuminates and the Power LED turns off.
In the ILOM System Information —> Components screen: The Return to Service option is available in the Actions drop-down list for the NEM and the Ready to Remove status column for the NEM is Ready.
In the ILOM CLI show /CH/NEMx command output, the following status is listed in the Properties section: prepare_to_remove_status = Ready
If /CH/NEMx/OK reads Off in either the ILOM web interface or CLI.
The NEM green Power/OK LED begins to slow blink, then returns to solid green, and the OK-to-Remove LED does not go on.
In the ILOM System Information —> Components screen, the Return to Service option does not become available in the Actions drop-down list and the Ready to Remove status column for the NEM still reads Not Ready.
In the ILOM CLI show /CH/NEMx command output, the following status is listed in the Properties section: prepare_to_remove_status = NotReady
If /CH/NEMx/OK reads On in either the ILOM web interface or CLI.
Note - If applicable, wait 5 minutes after CMM boot up or NEM insertion before removing the NEM.
Support the weight of the NEM with one hand at the bottom of the NEM.
The following illustration shows how to remove a NEM.