NetApp AFF A Series User Manual

Option 1: Most systems
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.
About this task
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.
Steps
1. 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
2.
Disable automatic giveback from the console of the healthy controller:
storage failover modify
–node local -auto-giveback false
3. Take the impaired controller to the LOADER prompt:
If the impaired controller is
displaying…
Then…
The LOADER prompt Go to the next step.
Waiting for giveback… Press Ctrl-C, and then respond y when prompted.
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
y.
Option 2: Controller is in a MetroCluster
Do not use this procedure if your system is in a two-node MetroCluster configuration.
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
Synchronize a node with the cluster.
• If you have a MetroCluster configuration, you must have confirmed that the MetroCluster
701

NetApp AFF A Series Specifications

General

Brand	NetApp
Model	AFF A Series
Category	Server
Language	English