You can start VCS using one of the following approaches:
Using the installvcs -start command
Manually start VCS on each node
To start VCS
To start VCS manually, run the following commands on each node in the cluster:
Log in as root user.
Start LLT and GAB. Start I/O fencing if you have configured it. Skip this step if you want to start VCS on a single-node cluster.
Start the VCS engine.
To start VCS in a single-node cluster, run the following command:
# hastart -onenode
# gabconfig -a
Make sure that port a and port h memberships exist in the output for all nodes in the cluster. If you configured I/O fencing, port b membership must also exist.