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Manually configure Veritas Cluster UUID

How to configure Veritas Cluster UUID?

When you install VCS seprately and if you want to bring the node under cluster, then you need to modify the UUID. IF you don’t modify, you will get the following error.

>>>>>> 2014/11/24 13:58:12 VCS ERROR V-16-1-10651 Cluster UUID received from snapshot is not matching with one existing […]

VCS – Joining the cluster memebership

Joining the cluster memebership

When you boot the server LLT/GAB starts automatically, but HAD won’t start until GAB membership established.

Here is an example for 2 node cluster.

1. LLT will start on each node

2. GAB stats on each system with a seed value equal to the number of systems in the cluster: gabconfig […]

How to get veritas cluser configuration backup?

If you are planning to upgrade or wants a quick backup for VCS configuration. You can execute the following command.

hagetcf