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Windows Thread, Best raid set up for Exchange server in Technical; I have an 64k server that i am going to be setting up from scratch and install Exchange 2007. I ...
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    Kyle's Avatar
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    Question Best raid set up for Exchange server

    I have an 64k server that i am going to be setting up from scratch and install Exchange 2007. I was wondering what would be the best raid set up for this? The server is a PowerEdge 2950 and below is the spec...

    2 x Xeon 5050 3.0Ghz/2x2mb 667FSB
    4GB 533 Ram( 4 x 1GB DIMMs )
    4 x 160GB SATA HDD ( Originally configured into a Raid 10 )
    DVD-Rom
    Perc 5i Card


    The server was purchased by an ex NM and was never set up correctly before he left. I am going to set it up from scratch and wanted so good practice/advice.

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    Diello's Avatar
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    64k server? Wish I had that sort of budget

    With 4 disks I'd go for RAID-5 personally... 480GB of space, decent performance & redundancy.

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    If you can, I'd see about putting another pair of drives in there. Have two for the OS in RAID1 and put the other four into a RAID 5 array for the database and log files.

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    Geoff's Avatar
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    Agree with both of the above comments. RAID5 the existing disks and if possible add two more disks and RAID1 them for the OS.

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    Kyle's Avatar
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    Unfortunatley I dont have the finances to add another two drives?

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    Diello's Avatar
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    Then Raid-5 is your best bet

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    what about just one seperate drive for the OS?

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    Diello's Avatar
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    Right pain if that drive goes wrong...

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    Yep, can assure you that one drive with the OS on is bad news. A quote from earlier today:

    "where is the web-site? why can't I ping the web server? why does the server sound like a sherman tank? f^&* socks! it's the OS disk!"

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    Agree with Norphy & Geoff...definately try to use 2 disks for the OS - Raid 1 and Raid 5 the others. I know it will be an added expense but well worth it! You can always go for slightly smaller drives if the 160's are too expensive.

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    zag
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    Don't use raid on your OS drive! that's not a good idea at all.

    Use a single drive for the OS and put the exchange store on a raid5 partition.

    If the power goes down raid can have problems with OS partitions and often results in a corrupted system.

    When it comes to disaster recovery of the OS drive simply back up the OS drive's systate or ghost it. Very easy to do on a non raid drive.

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    Geoff's Avatar
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    If the power goes down raid can have problems with OS partitions and often results in a corrupted system
    Which is why you have an online UPS between your server and the powergrid and buy raid cards that have a battery backup.

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