Dell PowerStore Installation and Service Guide for PowerStore 1000, 1200, 3000, 3200, 5000, 5200, 7000, 9000, and 9200

Remove an appliance from a PowerStore T model cluster

1. If the appliance you want to remove is the primary appliance in the cluster, run the following command to move the primary appliance to another appliance:

   svc_cluster_management MovePrimaryAppliance -n <ID number of new primary node>

2. Disable support notifications on the PowerStore cluster as described in Disable support notifications.
3. Under Hardware, select Appliances, and find the appliance with the Service Tag identified in Prerequisites.
4. Run the svc_appliance_provisioning script to disable resource balancing and prevent objects from being automatically created or placed on the appliance that you want to remove.
   1. Open an SSH client, and connect to the management IP address of the appliance to remove.
      NOTE:External SSH management access must be enabled on the appliance.
   2. Type the username and password of the service account to log in to the appliance.
   3. Run the following command to display the names of the appliances in the cluster:

      svc_appliance_provisioning list

   4. Run the following command, where appliance_name is the name of the appliance that you want to remove:

      svc_appliance_provisioning disable appliance_name

   5. Run the following command to ensure that the provision status of the appliance is disabled:

      svc_appliance_provisioning list

5. Ensure that Node A is the primary node on the appliance to be removed using PowerStore Manager.
   The factory reset of the appliance cannot occur unless Node A is the primary node of the appliance .
   1. Under Hardware, select Appliances, and select the appliance that you want to remove.
   2. Select the Components card, select the Rear View tab.
   3. Ensure that Node A is the primary node on the appliance.
      If the Node B is the primary node of the appliance, select Node B in the Rear View tab, and select More Actions > Reboot to reboot Node B and make Node A the primary node.
6. If there still are storage objects on the appliance to be removed, use PowerStore Manager to migrate the storage objects to another appliance in the cluster or remove the storage objects from the appliance.
7. Remove the appliance from the PowerStore T model cluster in PowerStore Manager.
   NOTE:The system resets the appliance to original factory settings and powers it off during the removal process.
   1. Under Hardware, select Appliances.
   2. Select the check box of the appliance to remove.
   3. Click Remove.
      The Removing the Appliance dialog box is displayed.
   4. Click Remove.
   The appliance is removed from the cluster and reset to its factory default settings. The appliance can be rediscovered and deployed to a new or existing cluster after it is reset to factory default settings.

   NOTE:The factory reset of the appliance can take up to 1.5 hours to complete.