Shut down the impaired controller - AFF A200
To shut down the impaired controller, you must determine the status of the controller and, if necessary, take over the controller so that the healthy controller continues to serve data from the impaired controller storage.
If you have a cluster with more than two nodes, it must be in quorum. If the cluster is not in quorum or a healthy controller shows false for eligibility and health, you must correct the issue before shutting down the impaired controller; see the Administration overview with the CLI.
If AutoSupport is enabled, suppress automatic case creation by invoking an AutoSupport message:
system node autosupport invoke -node * -type all -message MAINT=_number_of_hours_down_h
The following AutoSupport message suppresses automatic case creation for two hours:
cluster1:*> system node autosupport invoke -node * -type all -message MAINT=2h
If the impaired controller is part of an HA pair, disable automatic giveback from the console of the healthy controller:
storage failover modify -node local -auto-giveback false
Take the impaired controller to the LOADER prompt:
If the impaired controller is displaying… Then…
The LOADER prompt
Go to Remove controller module..
Waiting for giveback…
Press Ctrl-C, and then respond
System prompt or password prompt (enter system password)
Take over or halt the impaired controller from the healthy controller:
storage failover takeover -ofnode impaired_node_name
When the impaired controller shows Waiting for giveback…, press Ctrl-C, and then respond
If the system has only one controller module in the chassis, turn off the power supplies, and then unplug the impaired controller’s power cords from the power source.