This command will let you know the current status of Proxmox VE Cluster:
[email protected]:~# pvecm status
Quorum information
------------------
Date: Fri Jun 23 14:54:18 2017
Quorum provider: corosync_votequorum
Nodes: 2
Node ID: 0x00000002
Ring ID: 1/32
Quorate: Yes
Votequorum information
----------------------
Expected votes: 2
Highest expected: 2
Total votes: 2
Quorum: 2
Flags: Quorate
Membership information
----------------------
Nodeid Votes Name
0x00000001 1 192.168.10.26
0x00000002 1 192.168.10.68 (local)