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Chapter 7. Update the Configuration

Update the Galera configuration on ALL Galera nodes.

Procedure

  1. Locate the Galera configuration file and open it. 

    grep wsrep_cluster_address /etc/my.cnf.d/galera.cnf
vi /etc/my.cnf.d/galera.cnf

  2. Comment out the wsrep_cluster_address setting. 

    #wsrep_cluster_address = gcomm://overcloud-controller-0,overcloud-controller-1,overcloud-controller-2

  3. Comment out the wsrep_provider setting. 

    #wsrep_provider = /usr/lib64/galera/libgalera_smm.so
  4. Save the configuration file and close it.