Shut down the impaired node - FAS9500
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 are using NetApp Storage Encryption, you must have reset the MSID using the instructions in the Returning SEDs to unprotected mode.
If you have a SAN system, you must have checked event messages (
cluster kernel-service show) for impaired controller SCSI blade. The
cluster kernel-service showcommand displays the node name, quorum status of that node, availability status of that node, and operational status of that node.
Each SCSI-blade process should be in quorum with the other nodes in the cluster. Any issues must be resolved before you proceed with the replacement.
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 Synchronize a node with the cluster.
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_downh
The following AutoSupport message suppresses automatic case creation for two hours:
cluster1:> system node autosupport invoke -node * -type all -message MAINT=2h
Disable automatic giveback from the console of the healthy controller:
storage failover modify –node local -auto-giveback false
When you see Do you want to disable auto-giveback?, enter
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
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