Ideal disk configuration...

Posted on 2005-05-13
Last Modified: 2010-03-19
If you had a virtually unlimited number of physical drives (ie...a SAN with lots of drives) would you lay out your new SQL Server installation?

My thoughts:

Local drives: O/S and SQL Server binaries
San Drives:

E: Data files, raid 10
F: Log files, raid 10
G: Backups, raid 5
H: tempDB, raid 5

Question by:Kevin3NF
    LVL 38

    Assisted Solution

    by:Jim P.
    How many disk controllers do you have?

    If you have only 1 disk controller that becomes your choke point. I also wouldn't worry about splitting the tempdb and the backups, unless you're doing a 5 minute backup cycle.
    LVL 68

    Accepted Solution

    I think that's about right.  But personally, I would:

    have local drives RAIDed/mirrored if at all possible

    suggest RAID 10 for the tempdb, if possible.

    separate the data and indexes onto separate RAIDs (you did say "virtually unlimited" :-) )

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