GAB

How to add a node to an active VCS cluster

There might be a requirement to add a new node to an existing VCS cluster to increase the cluster capacity.…

How to remove a node from an active VCS cluster

There might be situations when you want to remove a node from cluster. We can do this online without interrupting…

VCS cluster 101 – Cluster Communications, GAB, LLT, HAD

GAB, LLT and HAD forms the basic building blocks of vcs functionality. I/O fencing driver on top of it provides…