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I/O fencing

How to configure VCS I/O fencing – Command line and installer utility

by admin

I/O fencing is one of the very important feature of VCS and provides user the data integrity required. Let us now see how we can configure fencing in a VCS setup. This setup assumes that you already have a VCS setup up and running without fencing. Fencing can be configured in 2 ways – By […]

Filed Under: VCS Tagged With: I/O fencing, SCSI3 PGR, vcs

vcs basics – Communication faults, jeopardy, split brain, I/O fencing

by admin

Let us now see various communication faults that can occur in the VCS cluster and how VCS engine reacts to these fault. There are basically 2 types of communication failures 1. Single LLT link failure (jeopardy) When a node in the cluster has only the last LLT link intact, the node forms a regular membership […]

Filed Under: VCS Tagged With: communication faults, I/O fencing, jeopardy, split brain, vcs

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