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Setting up RAID configuration on an IBM x3650

Posted on 2011-03-03
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I've been tasked with setting up a new IBM x3650 and I can't configure the LSI MR10M RAID controller. It seems that the LSI RAID configuration firmware is unusable without a mouse, I tried to find docs on the CLI but only found commands to view the configuration. Oh yes, I'm having a mouse problem too; the keyboard works fine but the mouse does not, the pointer stays on the left edge of the screen and moves to the right when buttons are clicked and even if I get the pointer in the correct location I can't select/activate a selection. Do I need to use a ps2 mouse?

I supposed to put Windows Server 2003 on this box, the outboard RAID array has 7 300GB drives in it. If I am able to set the configuratin of the RAID controller what would be the best configuration to use for these 7 discs? Obviously the person who ordered the system must have had something in mind so I guess I'm asking what the most logical use of the 7 drives would be. I think RAID 10 is supposed to be good:)
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Question by:scottbringe
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dlethe earned 250 total points
ID: 35027269
Without knowing your priorities and type of I/O, there isn't enough info to recommend what may be a "best" config ...
but certainly go RAID1 for the O/S, swap, and anything write-intensive.  That leaves 5 disks.  Make 1 of them a hot spare, leaving 4.  Then I would go with a 4-drive RAID10.  Use 64KB block size, as the native I/O for SQL Server is also 64KB, so this is most efficient.

Other configurations are possible, but the one I suggested will provide best performance for most SQL server configs.  

Since this is win2k3, make sure you align the partitions  (Google windows NTFS align partitions, or search this site.  Very important on win2k3).  Set NTFS for 64KB size when you create the D volume for the RAID10 also.  Put sql server stuff there.

The C drive will have best random I/O performance and best random read and write performance.  THe D drive will have best sequential I/O performance.
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