To properly shut down the NetApp (through the CLI):

First, close down all I/O to the NetApp by dismounting volumes, turning off servers, etc.

Log in on the NetApp through the CLI, using either a console cable or via SSH. Note that if you use SSH, you will not be able to see the complete shutdown sequence.

On the first controller, turn off cluster failover: cf disable



Shut down the controller: halt



Log on to the other controller (using SSH or swap the console cable), then shut down that controller too: halt



Wait until the shutdown sequence has completed before removing power from the controller chassis, then turn off the enclosures. You can use a console cable to verify whether th  ...

The RLM module may become unresponsive and you may see the following messages in the Syslog:

Syslog

The software driver for the Remote LAN Module (RLM) detected a problem: Unable to update SP network information at this time.

You can resolve the issue by rebooting the RLM from the CLI.

Log on using the CLI (SSH or console), then reboot the RLM.

CLI: rlm reboot

Wait for a while and verify the RLM is back online:

CLI: rlm status

The output of the command should report: Status: Online