Red Hat High Availability Clustering - Managing Cluster Nodes and Quorum

pcs cluster start
pcs cluster stop clu01.local.net
pcs cluster stop --all
pcs cluster start --all
pcs cluster enable
pcs cluster disable clu01.local.net
pcs cluster disable --all

pcs cluster node remove clu03.local.net
pcs stonith delete clu03.local.net

firewall-cmd --permanent --add-service=high-availability
firewall-cmd --reload
yum install pcs fence-agents-all
systemctl enable pcsd
systemctl start pcsd
echo password | passwd --stdin hacluster
pcs cluster auth -u hacluster clu03.local.net
pcs cluster node add clu03.local.net
pcs cluster auth -u hacluster
pcs cluster enable
pcs cluster start
pcs status
pcs stonith create fence_noded ...
pcs stonith show


pcs cluster node add clu03.local.net
pcs cluster auth
pcs cluster start clu03.local.net
pcs cluster enable clu03.local.net

pcs cluster standby clu03.local.net
pcs cluster standby --all
pcs cluster unstandby --all

pcs status cluster
pcs status groups
pcs status resources
pcs status nodes
pcs status corosync
pcs status pcsd

corosync-quorumtool
corosync-quorumtool -m (listen for changes) or
watch -n1 corosync-quorumtool
firewall-cmd --remove-service=high-availability
poweroff

pcs cluster stop --all 
vi /etc/corosync/corosync.conf
> last_man_standing: 1
> auto_tie_breaker: 1
> wait_for_all: 1
pcs cluster sync
pcs cluster start --all 
corosync-quorumtool