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RAID advice for 6 SAS hard drives running Exchange 2007

mnedbal
mnedbal asked
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Last Modified: 2010-03-06
I have a purchased a new server which has a total of 6 150GB SAS hard drives. I was planning on running a RAID1, 2 hard drive config for the Windows OS and page file. I was then planning on running a RAID10 with three volumes; one for the MTA and SMTP queues, one for the log files, and one for the database storage group. So what I would end up with is the following:
RAID    Volume      Size       Contents
1             C               130GB      Windows and Exchange system file
1             D                 20GB      Pagefile.sys
10           E                 50GB      MTA and SMTP queues
10           F                 75GB      Exchange log files
10           G               150GB     Database for the storage group

I have done a lot of research and believe this setup should work ok. Some say that I should not have the Exchange log files on the same RAID10 as the storage group. Others say that I should not have the pagefile.sys on the same drive as the windows system files. RAID10 is a solid platform with regard to redundancy, so I am not too worried about any lack of redundancy - expecially with daily backups. What I am more concerned about are the performance issues the system and Exchange database. The system will serve a small business of about 40 users. We get about 15,000 emails a day with approximately 5% hitting the Exchange server (we use SonicWall to filter out spam outside of our LAN).

I would appreciate some advice regarding my RAID setup.
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Thank you red for your advice.
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You are most welcome.

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