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Storage Size?

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Storage Size? - 14.Nov.2006 3:40:55 PM   
yguelce

 

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We're in the process of Migrating from GroupWise to Exchange 2003. I'm a little concern with the storage size for the Exchange configure. We have roughly 250 users, but the largest Mailbox in the Groupwise system is 400MB. User mailbox limit will be 700MB calculated to be 2.1TB (Roughly)

This is the Exchange Storage Configure

C:\ OS Raid     Raid 1+0  40GB
D:\ Page Files  Raid 1+0  45GB
E:\ Exchange Program Files Raid 1+0 30GB
F:\ Database (edb, stm)   Raid 5 2.1TB
G:\ Transaction Files (Size Unknown, need your help)

Should the transaction files drive be the same drive size as the database files? Its possible to either and transaction files on SATA drive. While the database files are on Fibre Channel drive, or vice-versa?

Please help.

Thanks
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RE: Storage Size? - 14.Nov.2006 4:10:44 PM   
jchong

 

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From: Centreville, Virginia
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Transaction and DB files should definitely be on separate volumes. Is this going to a backend SAN? I see your c: drive is using 1+0 do you mean RAID 1?

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James Chong
MCSE | M+, S+, MCTS, Security+
msexchangetips.blogspot.com

(in reply to yguelce)
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RE: Storage Size? - 14.Nov.2006 4:25:08 PM   
yguelce

 

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Yes James, database and the transaction files are going to be on a SAN (EMC) but the C:\  drive is the boot (OS) that needs to be on local drive. Question is should the transaction file drive be the same size at the database drive?
Thankd

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RE: Storage Size? - 14.Nov.2006 4:29:35 PM   
jchong

 

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Naw your log file volume does not match your DB volume. Remember log files get flushed (deleted) after every full backup. So depending on your backup strategy and how much email\activity you expect per day, you can get an idea of how big your log files should be. For your size, I would keep it at 20GB. You will prob only use a fraction of this, but I normally like some cushion so it gives me time to troubleshoot issues such as routing loops, if I'm running into backup issues and can't backup for some time, moving mailboxes which increase log files etc.

As far as your page file volume, you can prob bag this altogether.

_____________________________

James Chong
MCSE | M+, S+, MCTS, Security+
msexchangetips.blogspot.com

(in reply to yguelce)
Post #: 4
RE: Storage Size? - 14.Nov.2006 5:00:46 PM   
yguelce

 

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Thanks,

To be on the safe side, I'll make it 50GB.

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RE: Storage Size? - 14.Nov.2006 5:03:50 PM   
jchong

 

Posts: 2516
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From: Centreville, Virginia
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I knew you were going to say that! 50gb should be more than enough, but better to oversize then undersize.

_____________________________

James Chong
MCSE | M+, S+, MCTS, Security+
msexchangetips.blogspot.com

(in reply to yguelce)
Post #: 6

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