What is QUORUM Disk and a Fencing Wars?

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Thilina Uvindasiri

I'm a BSc Special (Hons) graduate in Information Technology and works as an Engineer-Systems. Love to work, explore and research Linux and play rugby as a hobby.

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5 Responses

  1. hophopper says:

    1) When we have a 2 node cluster and 1 node fails. As intended, the quorum disk informs the cluster about the failed node which is now fenced. Does the quorum disk get the vote from the running node(only) for keeping the cluster up in a 2 node cluster ? If it is so, can this be called voting(in a democratic sense) or does it have a different technical name to it.
    2) Can we mirror a quorum disk to achieve hardware redundancy ? Can we use 2 quorum disks – like master-slave ?…..

  2. Daniel Bello says:

    Thanks alot for your answer!!!
    It was my first cluster config in my lab environment and is still working right.
    Thanks again.

  3. Luis Bravo says:

    This scenario is also known as “Split Brain”, right ? (http://linux-ha.org/wiki/Split_Brain)

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