Quorum Backup

Discussion in 'Clustering' started by Andrew, Oct 1, 2008.

  1. Andrew

    Andrew Guest

    In an Active/Passive Cluster environment, is it necessary or useful to
    backup the quorum drive? I've read a lot of posts that seem to contradict
    each other.
    Andrew, Oct 1, 2008
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  2. There is no need to backup any information on the quorum. Besides, general
    rule of thumb with the quorum is NEVER have any filter drivers touch it
    (antivirus, disk quota management software, backup, etc.) Both nodes have
    the ability to completely restore the necessary information to the quorum
    should the drive itself ever fail. What are the posts that say this is
    needed indicate as a justification?
    Jeff Hughes [MSFT], Oct 2, 2008
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  3. While I would agree that quorum info is probably the easiest to recover and
    rarely would you need to restore this info from a backup, it is still a good
    idea to have a backup copy of this information "just in case" you run into a
    problem. I ran into a situation once where I tried to load the local CLUSDB
    but the local copy got overwritten by the (corrupt) copy on the Quorum disk
    while starting the service, because I forgot to start it using the proper
    flags when starting the clussvc. In this case, having a backup was a good

    There are also cases where silly customers use the Quorum disk as a data
    drive, so in these cases you would obviously also want to back up this disk.

    So is it necessary to back it up...no. Useful? It can be...it's a small
    amount of data so it couldn't really hurt much to back up this data.


    Visit my blog: http://msmvps.com/blogs/jtoner
    John Toner [MVP], Oct 2, 2008
  4. Andrew


    Jul 4, 2012
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    joybanerjee81, Jul 4, 2012
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