Opening The System - NetApp FAS25 Series Manual

Leave the power supplies turned on to provide power to the healthy node.
Note:
b. Wait at least two minutes after takeover of the impaired node to ensure that the takeover was completed successfully.
c. With the impaired node showing the
The method you use to shut down the node depends on whether remote management via a Service Processor (SP) is
used.
Is the SP configured?
Yes
No
The impaired node is now in a state where you can proceed to the next task.
5. If you are not already grounded, properly ground yourself.
Shutting down a stand-alone controller module
For a stand-alone controller module, you must perform a clean shutdown to ensure that all data has been written to disk. You
must also disconnect the power supplies.
Steps
1. Enter the following command from the system console of the impaired node:
If your system is configured in...
7-Mode
Clustered Data ONTAP
After you issue the command and respond
You must perform a clean system shutdown before replacing system components to avoid losing unwritten
Attention:
data in the nonvolatile memory (NVMEM). The NVMEM has a green LED on the rear of the controller module that
blinks if there is data in the NVMEM that has not been saved to disk. You need to reboot the controller module and try
halting it again. If repeated attempts to cleanly shut down the controller module fail, be aware that you might lose any data
that was not saved to disk.
2. If you are not already grounded, properly ground yourself.
3. Turn off the power supplies, and then unplug both power cords from the power source.

Opening the system

To access components inside the controller module, you must open the system.
Steps
1. If you are not already grounded, properly ground yourself.
2. Loosen the hook and loop strap binding the cables to the cable management arm, and then unplug the system cables and
SFPs (if needed), from the controller module, and keep track of where the cables were connected.
Opening the system
Waiting for giveback...
Then...
Log in to the impaired node's SP and issue the following
command:
system power off
At the impaired node's prompt, press
to halt the node.
Y
to halt the node, wait until the system stops at the LOADER prompt.
Y
message, shut it down.
Then issue this command...
halt
halt local
and respond
Ctrl-C
3