Appendix F: Remove Appliances From The Cluster; Removing An Appliance From A Powerstore Cluster; Remove An Appliance From A Powerstore T Model Cluster - Dell EMC PowerStore 500T Installation And Service Manual

Remove appliances from the cluster
Learn how to remove appliances from the cluster.
Topics:
•

Removing an appliance from a PowerStore cluster

•

Remove an appliance from a PowerStore T model cluster

• Remove an appliance from a PowerStore X model cluster
• Migrate storage objects from an appliance
Removing an appliance from a PowerStore cluster
The steps for removing an appliance from a cluster are different depending on the type of PowerStore system.
● Remove an appliance from a PowerStore T model cluster
● Remove an appliance from a PowerStore X model cluster
Remove an appliance from a PowerStore T model
cluster
Prerequisites
● Identify the Service Tag of the appliance that you want to remove. For details, see the Hardware Information Guide for
PowerStore 1000, 1200, 3000, 3200, 5000, 5200, 7000, 9000, and 9200 or Hardware Information Guide for PowerStore
500T Model .
● If the appliance that you want to remove is not functional, contact your service provider for assistance with removing the
appliance.
● Ensure the appliance that you want to remove is not the primary appliance in the cluster, an appliance running SDNAS, or the
only appliance in the cluster.
● Stop and remove all running or scheduled import, migration, or replication jobs on the appliance to remove, and remove all
remote systems that are associated with the appliance.
● Before starting the appliance removal process, migrate storage objects from the appliance that you want to remove to
another appliance in the cluster. To migrate storage objects, see
About this task
A factory reset is performed on an appliance when it is removed from a cluster.
NOTE: When the appliance removal process is running, do not run commands that can change the state of the cluster,
such as adding external hosts or changing CHAP configurations.
Steps
1. Disable support notifications on the PowerStore cluster as described in
2. Under Hardware, select Appliances, and find the appliance with the Service Tag identified in Prerequisites.
3. 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.
a. 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.
b. Type the username and password of the service account to log in to the appliance.
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Migrate storage objects from an appliance
Disable support notifications
Remove appliances from the cluster
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