🎳 Cluster HA

 1clustat
 2clustat -m            # Display status of and exit
 3clustat -s            # Display status of and exit
 4clustat -l            # Use long format for services
 5cman_tool status      # how local record of cluster status
 6cman_tool nodes       # how local record of cluster nodes
 7cman_tool nodes -af
 8ccs_tool lsnode       # List nodes
 9ccs_tool lsfence      # List fence devices
10group_tool            # Displays the status of fence, dlm and gfs groups
11group_tool ls         # Displays the list of groups and their membership

1clusvcadm -d       # Disable
2clusvcadm -e       # Enable
3clusvcadm -e -F    # Enable according to failover domain rules
4clusvcadm -e -m    # Enable on
5clusvcadm -r -m    # Relocate to member>
6clusvcadm -R       # Restart a group in place.
7clusvcadm -s       # Stop 

1clusvcadm -l       # Lock local resource group manager. 
2                   # This prevents resource groups from starting on the local node.
3clusvcadm -S       # Show lock state
4clusvcadm -Z       # Freeze group in place
5clusvcadm -U       # Unfreeze/thaw group
6clusvcadm -u       # Unlock local resource group manager.
7                   # This allows resource groups to start on the local node.
8clusvcadm -c       # Convalesce (repair, fix) resource group.
9                   # Attempts to start failed, non-critical resources within a resource group.