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Best disk configuration for sql server.

Posted on 2011-03-21
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Last Modified: 2012-05-11
I need to upgrade my server for sql which has 70 concurrent users and 30GB db.
I read in internet, still can't decide which one is better. What I was thinking is, two sets of RAID1 as below.  

2 x RAID 1
RAID1 A hosts OS and log
RAID1 B hosts db

Or
2 x RAID 1
RAID1 A hosts OS and db
RAID1 B hosts log
?


How about RAID 10 and putting everything on the volume?



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Question by:crcsupport
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by:rkharko
rkharko earned 100 total points
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I recomment to use 120 GB SSD drive - it is faster than any Raid configuration
The optimal choice can be  OCZ Vertex 2 120GB
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by:Daniel_PL
Daniel_PL earned 200 total points
ID: 35186919
Hi,
It depends on how many disks you have. You can read about it in verry nice article, it contains comparison of few concept model:
http://www.mssqltips.com/tip.asp?tip=1328

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andyalder earned 200 total points
ID: 35190582
Given the 4 disks you have I'd go for your first option, hoping the DB isn't too write intensive so the log file won't be very busy.
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