4.2. Viewing general Pacemaker information

Procedure

1. Log in to any Controller node as the heat-admin user.

   $ ssh heat-admin@overcloud-controller-0

2. Run the pcs status command:

   [heat-admin@overcloud-controller-0 ~]  $ sudo pcs status

   Example output:

   Cluster name: tripleo_cluster
   Stack: corosync
   Current DC: overcloud-controller-1 (version 1.1.16-12.el7_4.5-94ff4df) - partition with quorum
   
   Last updated: Thu Feb  8 14:29:21 2018
   Last change: Sat Feb  3 11:37:17 2018 by root via cibadmin on overcloud-controller-2
   
   12 nodes configured
   37 resources configured
   
   Online: [ overcloud-controller-0 overcloud-controller-1 overcloud-controller-2 ]
   GuestOnline: [ galera-bundle-0@overcloud-controller-0 galera-bundle-1@overcloud-controller-1 galera-bundle-2@overcloud-controller-2 rabbitmq-bundle-0@overcloud-controller-0 rabbitmq-bundle-1@overcloud-controller-1 rabbitmq-bundle-2@overcloud-controller-2 redis-bundle-0@overcloud-controller-0 redis-bundle-1@overcloud-controller-1 redis-bundle-2@overcloud-controller-2 ]
   
   Full list of resources:
   [...]

   The main sections of the output show the following information about the cluster:

   • Cluster name: Name of the cluster.
   • [NUM] nodes configured: Number of nodes that are configured for the cluster.
   • [NUM] resources configured: Number of resources that are configured for the cluster.
   • Online: Names of the Controller nodes that are currently online.
   • GuestOnline: Names of the guest nodes that are currently online. Each guest node consists of a complex Bundle Set resource. For more information about bundle sets, see 「Resource bundles and containers」.