RecoverPoint: How to uninstall a cluster from the system using CLI/SSH

Steps to uninstall a cluster using putty(SSH):-

Before reinstalling the cluster, you can save the settings of the current consistency groups to import them after reinstalling.
To save the settings: ssh to the site control RPA using admin user and run command "save_settings" then copy the output to a file.

1. Remove the copies at the cluster being uninstalled from every consistency group.
   If the cluster has a source copy for a CG, you must remove the whole CG using the command: "remove_group"
   If the cluster has replica copies, you must only remove this copy from the CG using the command: "remove_copy"

2. Remove the license from the cluster.
   Login by admin user and run the command: "remove_license".

3. Detach the splitters from the cluster.
   Login by admin user and run the command: "remove_splitter".

4. Clear the cluster settings.
   Run ssh to the RPA using admin user and run command: "clear_settings".

   Note: If you are having three clusters or more and replication is ongoing on the two healthy clusters, running command "clear_settings" clear the settings on all the clusters (the cluster needed for re-install and the healthy clusters).

5. Remove the cluster from the system.
   Run ssh to the site, control RPA of the other cluster using boxmgmt user.
   From the Main Menu select: [4] Cluster operations --> [3] Remove a cluster from this system

6. Detach the RPAs from the cluster.
   By ssh to the RPA using boxmgmt user.
   From the Main Menu select: [4] Cluster operations --> [1] Detach RPA from cluster.

7. For RP/SE, on the VNX storage array de-registers the RPAs initiators.
   From VNX Unisphere --> Hosts --> Initiator, then enter Engineering mode and select the initiator and deregister it (Engage VNX support to help with entering the Engineering Mode).

8. Delete the RPA storage group on the storage array.

9. If the cluster is a vRPA cluster:

   1. Delete the iSCSI paths on the storage:
      1. In VNX for Block Command-Line Interface, obtain a list of the iSCSI path sets to be removed by using the following command:

         naviseccli -h -user -password -scope 0 connection  getset

      2. Delete the iSCSI path sets obtained in the previous step. Use the following command for each path set to remove:

         naviseccli -h -user -password -scope 0 connection - delset  name -o

      3. Ensure that you remove only the path sets of the cluster to be uninstalled.
   2. Remove the vRPAs from the ESX.
   3. Redeploy the vRPAs, check RecoverPoint vRPA Technical Notes (dell.com) for steps of deploying the vRPAs.

10. Use Deployment Manager to re-install the cluster.

When reinstalling RP/CL or EX, you must register the initiators, re-create the RP storage group and bind the LUNs and hosts manually.

If you are reinstalling the cluster to a higher version, you must convert the save_settings file to the higher version before applying it.