* We recommend a dedicated NIC for the cluster traffic, especially if
you use shared storage.
+* Root password of a cluster node is required for adding nodes.
+
NOTE: It is not possible to mix Proxmox VE 3.x and earlier with
Proxmox VE 4.0 cluster nodes.
installed with the final hostname and IP configuration. Changing the
hostname and IP is not possible after cluster creation.
-Currently the cluster creation has to be done on the console, so you
-need to login via `ssh`.
+Currently the cluster creation can either be done on the console(login via `ssh`) or the GUI.
[[pvecm_create_cluster]]
Create the Cluster
------------------
Login via `ssh` to the first {pve} node. Use a unique name for your cluster.
-This name cannot be changed later.
+This name cannot be changed later. The cluster name follows the same rules as node names.
hp1# pvecm create YOUR-CLUSTER-NAME