RAID

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  • Vissu
    #1

    RAID

    Hi,

    We are planning to host our database on Linux. Can any one share
    experiences on the following aspects:

    1. Is RAID5 better or RAID 0 or 1 better ? (we have thosuands of
    queries running per day)
    2. Is hardware disk controller better or LVM better?
    3. any particular machine configuration to consider
    Thanks for sharing the knowledge.

    Viss
    Tags: None
    • sybrandb@yahoo.com
      #2
      Re: RAID

      vissuyk@yahoo.c om (Vissu) wrote in message news:<2bedd6a7. 0312111858.6eb4 6aaf@posting.go ogle.com>...
      Hi,
      >
      We are planning to host our database on Linux. Can any one share
      experiences on the following aspects:
      >
      1. Is RAID5 better or RAID 0 or 1 better ? (we have thosuands of
      queries running per day)
      2. Is hardware disk controller better or LVM better?
      3. any particular machine configuration to consider
      Thanks for sharing the knowledge.
      >
      Viss
      Please......... ............... ............... ............... ..............
      Not AGAIN!!!!!!!!!! !!!!!
      1 Raid 5 is inferior for any writes, and you shouldn't have your
      online redologs on RAID 5
      2 It depends. Software RAID will be slower, but you are more flexible
      with respect to actual disk configuration
      3 We don't market hardware here.

      Sybrand Bakker
      Senior Oracle DBA

        Comment

        • FireSword
          #3
          Re: RAID

          RAID 10.
          It is a conbination of RAID 1 and RAID 0

          "Vissu" <vissuyk@yahoo. comwrote in message
          news:2bedd6a7.0 312111858.6eb46 aaf@posting.goo gle.com...
          Hi,
          >
          We are planning to host our database on Linux. Can any one share
          experiences on the following aspects:
          >
          1. Is RAID5 better or RAID 0 or 1 better ? (we have thosuands of
          queries running per day)
          2. Is hardware disk controller better or LVM better?
          3. any particular machine configuration to consider
          Thanks for sharing the knowledge.
          >
          Viss


            Comment

            • al0
              #4
              Re: RAID

              There is no way to answer your questions without information of how
              you plan use your database (i.e. read/write ration, DB size and so
              on).
              1. Is RAID5 better or RAID 0 or 1 better ? (we have thosuands of
              queries running per day)
              2. Is hardware disk controller better or LVM better?
              3. any particular machine configuration to consider
              Thanks for sharing the knowledge.

              Viss

                Comment

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