Use this task to remove a cluster and all of its cluster members.
Before you begin
Removing a cluster deletes the cluster and all associated cluster
members. When you delete a cluster, there is no option to keep certain cluster
members or applications that you have installed on any part of the cluster.
In a production environment, avoid deleting clusters that are
carrying workload. You can, however, add and remove cluster members during
production. When you want to remove a cluster, create a new cluster, adding
new members while the old cluster is still operational. After the new cluster
is working, remove the cluster members from the old cluster and then delete
the cluster.
Tip: If the cluster you are removing has applications
or modules mapped to it, remap the modules to another cluster, or create
a new cluster and remap the modules to the new cluster, before removing the
old cluster. After a cluster to which modules are mapped is deleted, the modules
cannot be remapped to another cluster. Therefore, if you do not remap the
modules to another cluster before deleting the old one, you must uninstall
all of the modules that were mapped to the old cluster, and then reinstall
them on a different cluster.