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Raid 10 with 3 Hdd

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  • Raid 10 with 3 Hdd

    Hi friends, Again with a raid issue. Here we bought a new server with 146*5 hdds I have to create Raid 10 on it , As far as I checked about Raid 10 I came to know that Raid 10 is possible only with even no. of hdds But, here issue is the customer told me to configure Raid 10 with 3 hdd as some one told the customer that to do like that ! Is it possible or not
    Regards,

    Naresh

  • #2
    Re: Raid 10 with 3 Hdd

    http://en.wikipedia.org/wiki/RAID#RAID_10
    RAID 0+1: striped sets in a mirrored set (minimum four disks; even number of disks) provides fault tolerance and improved performance but increases complexity. The key difference from RAID 1+0 is that RAID 0+1 creates a second striped set to mirror a primary striped set. The array continues to operate with one or more drives failed in the same mirror set, but if drives fail on both sides of the mirror the data on the RAID system is lost.
    RAID 1+0: mirrored sets in a striped set (minimum two disks but more commonly four disks to take advantage of speed benefits; even number of disks) provides fault tolerance and improved performance but increases complexity.
    Marcel
    Technical Consultant
    Netherlands
    http://www.phetios.com
    http://blog.nessus.nl

    MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
    "No matter how secure, there is always the human factor."

    "Enjoy life today, tomorrow may never come."
    "If you're going through hell, keep going. ~Winston Churchill"

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    • #3
      Re: Raid 10 with 3 Hdd

      Perhaps they were confused with a RAID 5 configuration. RAID 5 needs a minimum of 3 HDDs.
      1 1 was a racehorse.
      2 2 was 1 2.
      1 1 1 1 race 1 day,
      2 2 1 1 2

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