Reconfiguring VCS on the existing node

Last published : Sep 11, 2026
Reconfigure VCS on the existing nodes.
To reconfigure VCS on existing nodes
  1. On Node A, create the files /etc/llttab, /etc/llthosts, and /etc/gabtab. Use the files that are created on Node B as a guide, customizing the /etc/llttab for Node A.
  2. Start LLT on Node A.
    \# /etc/init.d/llt.rc start
    1. Start GAB on Node A.
    \# /etc/init.d/gab.rc start
  3. Check the membership of the cluster.
    \# gabconfig -a
    1. Copy the cluster UUID from the existing node to the new node:
    \# /opt/VRTSvcs/bin/uuidconfig.pl -clus -copy -from_sys \
    node_name_in_running_cluster -to_sys new_sys1 ... new_sysn
Where you are copying the cluster UUID from a node in the cluster (node_name_in_running_cluster) to systems from new_sys1 through new_sysn that you want to join the cluster.
  1. Start VCS on Node A.
    \# hastart
    1. Make the VCS configuration writable.
    \# haconf -makerw
  2. Add Node B to the cluster.
    \# hasys -add sysB
    1. Add Node B to the system list of each service group.
      • List the service groups.
    \# hagrp -list
  • For each service group that is listed, add the node.
\# hagrp -modify group SystemList -add sysB 1