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Thread: Raid over NFS Shares?

  1. #1
    Join Date
    Oct 2004
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    Raid over NFS Shares?

    So let's hear how possible this might be. Is it possible to use mdadm with nfs multiple NFS drives? Rather using physical hard disks I would like to use NFS shares for raid.
    Regards,
    FL-ei-|X|-iu-S
    ][ My Blog ][

  2. #2
    Join Date
    Dec 2007
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    Idaho
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    Ubuntu 20.04 Focal Fossa

    Re: Raid over NFS Shares?

    Wouldn't you want to just implemnt a RAID array on the server that's hosting the nfs shares?
    "You can't expect to hold supreme executive power just because some watery tart lobbed a sword at you"

    "Don't let your mind wander -- it's too little to be let out alone."

  3. #3
    Join Date
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    Re: Raid over NFS Shares?

    No, there will be multiple shares over several servers. There will be one server where all of the shares are then mounted.
    Regards,
    FL-ei-|X|-iu-S
    ][ My Blog ][

  4. #4
    Join Date
    Aug 2007
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    35

    Re: Raid over NFS Shares?

    Yes, this is possible but not with NFS. This is a form of storage clustering but you'd get much better performance on a single host.

    Use network block devices, nbd. Do some googling on network block devices in linux.

    Don't ever put swap on an NBD.

  5. #5
    Join Date
    Jan 2008
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    2,339
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    Ubuntu 10.04 Lucid Lynx

    Re: Raid over NFS Shares?

    A partition mirrored across multiple servers? Sounds like a server farm to me. I don't know how well it can be limited to a single partition rather than whole systems, but it's not a new idea. This is how the big web sites like Google or Amazon can handle millions of requests at a time -- when you connect to their servers, you're actually connecting to one of numerous identical servers. Data and services are mirrored across the entire server farm to handle a greater load.

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