Configuring GAB for a manual installation
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Configuring GAB for a manual installation

VCS uses the Group Membership Services/Atomic Broadcast (GAB) protocol for cluster membership and reliable cluster communications. GAB has two major functions.

It handles the following tasks:

To configure GAB, use vi or another editor to set up an /etc/gabtab configuration file on each node in the cluster. The following example shows an /etc/gabtab file:

    /sbin/gabconfig -c -nN

Where the -c option configures the driver for use. The -nN option specifies that the cluster is not formed until at least N systems are ready to form the cluster. By default, N is the number of systems in the cluster.

Note:

Symantec does not recommend the use of the -c -x option for /sbin/gabconfig. Using -c -x dramatically increases configuration time for the Gigabit Ethernet controller and can lead to a split-brain condition.
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