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New Server Specs

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New Server Specs - 21.Jan.2010 10:02:58 PM   


Posts: 32
Joined: 17.Mar.2009
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I am the network admin for a company with 60 uers and they all like to send attachments in the email. I need to replace our exchange 2003 server with new and am considering using 2007

What server should i get to handle the job. More specifically how should i configure the raid and how much memory should i get. I usually purchase the ML350 with 6 drives and configure the following
2 mirrored for OS
1 Non raid for Page
3 raid 5 for data
Is this ok for exchange and is it ok to have the database and transaction logs on the same DATA drive or should i consider seperating them

I am mostly a sql admin and know that data and transaction should be seperate, but is exchange just as hard disk I/O intensive

Thanks in advance
Post #: 1
RE: New Server Specs - 21.Jan.2010 10:37:07 PM   


Posts: 6811
Joined: 9.Jun.2004
From: Philadelphia PA
Status: offline
Hell, you need to go back to the drawing board on this one.
Page file on RAID 0? Loose the page file and blue screen the box? No. Not so much,
3 Disks for data? So, two actual disks for data, i.e. 2x IOPS per disk?  You're talking SAS disks, right?
Logs and stores on different pairs/sets of spindles please.
Three pairs of RAID1 please. Split them up in an obvious manner.


Mark Arnold (Exchange MVP)
List Moderator

(in reply to jayoub1)
Post #: 2
RE: New Server Specs - 22.Jan.2010 12:31:34 AM   


Posts: 3018
Joined: 9.May2007
From: India
Status: offline
hi mate,

I agree with Mark,

I would say why don't you check Microsoft Technet Planning document

The above document will clear lots of your concern.

(in reply to jayoub1)
Post #: 3
RE: New Server Specs - 22.Jan.2010 11:45:13 AM   


Posts: 32
Joined: 17.Mar.2009
Status: offline
Thanks for the help the artical is perfect as i will read more tonight.

Yes, Page file non RAID was how Microsoft recommended it back when Windows 2000 came out and i have been doing it ever since. They stated that a "to increase performance page files should not be on any RAID disks", but your thought is concerning; if that drive dies then i am blue screened. I may move the Page file to the OS drives that are mirrored.

I will look at the microsoft artical before i ask more questions and will reconsider my page file deal.

Thanks for the help.

(in reply to ismail.mohammed)
Post #: 4
RE: New Server Specs - 5.Feb.2010 9:45:53 AM   


Posts: 32
Joined: 17.Mar.2009
Status: offline
OK, i read the articles and there was lots of useful information. I have considered the following server configurations. Please let me know what you think. I only have 60 users all using outlook and I figure the following:

Server one: $5500.00
12GB RAM and
(2) 146GB SAS mirrored drives for OS and Page (no longer raid 0 page)
(2) 300GB SAS drivers mirrored for the Exchange Databases and tran logs, propabably only 2 storages
(2) 146GB mirrored for the PST Email Archive that is currently about 65 GB used.

Server two: $6800.00
10GB RAM and
(2) 146 mirrored for OS and page
(3) 300 RAID 5 for database and tran logs
(3) 146 Raid 5 for PST Archive
(2) 146 mirrored OS and page
(2) 146 mirrored for Tran logs
(2) 300 mirrored for databases
(2) 146 mirrored for PST archives.

I feel that server two is overkill and may not be worth the extra 1200.00 for just sixty users. Please let me know what you think.

(in reply to jayoub1)
Post #: 5
RE: New Server Specs - 8.Feb.2010 7:03:55 AM   


Posts: 3018
Joined: 9.May2007
From: India
Status: offline
have you used this : Exchange 2007 Mailbox Server Role Storage Requirements Calculator

That will give you exact recommendation.

(in reply to jayoub1)
Post #: 6

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