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Thread: [SOLVED] SATA vs SAS SAN drives

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    padraig's Avatar
    padraig is offline Elite Member
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    Question [SOLVED] SATA vs SAS SAN drives

    Hi All,

    When purchasing a SAN for zimbra which disk types do zimbra recommend
    SATA or SAS
    Thanks For any replies,
    p.

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    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by padraig View Post
    When purchasing a SAN for zimbra which disk types do zimbra recommend
    SATA or SAS
    It would be a general comment of no SATA but check the wwiki article: Performance Tuning Guidelines for Large Deployments - Zimbra :: Wiki
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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    Thanks Bill,

    I guess RAID50 is the recommended RAID setup
    its not in the wiki?

    p.
    Thanks For any replies,
    p.

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    phoenix is online now Zimbra Consultant & Moderator
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    I would have said RAID10 (plus hot spares) as I believe RAID50 would still suffer from the same write performance problem that RAID5 does.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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    dave_kempe is offline Partner (VAR/HSP)
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    RAID10 and lots of buffer cache would make more difference than SATA vs SAS, but that being said I was getting 400Mb/s in benchmarks on a SAS RAID 10 array on a local hardware RAID controller. This was on a new Sun server can't remember the model number. Thats gotta be the fastest sustained benchmarking figure I have see in a while. This was on writes. On reads it could sustain 500Mb/s.
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