Caution: The following steps will cause data loss.
Two ways to completely delete a VSAN datastore:
I. Move the hosts outside the cluster and delete the cluster
- Remove all the disk groups configured on the host
- Put the host into maintenance mode.
- Move the host outside the cluster
- Delete the cluster
II. Through esxcli
- Remove all the disk groups configured on the host
- Open an SSH session to each of the esxi hosts that are part of the vsan cluster
- Run the command, “esxcli vsan cluster leave”