RE: Dual or Quad for 4000 users
- From: "Ion Gott" <Ion.Gott@xxxxxxxxxx>
- To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>, "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
- Date: Mon, 6 Mar 2006 20:40:49 -0800
I would probably build a 3 node cluster (Active, Active, Passive) and place two
thousand users on each active dual processor system and leave a passive system
for failover. That way all eggs wouldn't be in one basket.
The real issue is I/O and how busy and how heavily used mail is in the
environment.
Are clients primarily connecting through Outlook 2003 full mapi clients or OWA?
What is the average size of the users mailboxes, will quotas be used?
Is the server going to use local storage or a SAN?
Ion
________________________________
From: Evan Mann [mailto:emann@xxxxxxxxxxxxxxxxxxxxx]
Sent: Mon 3/6/2006 8:10 PM
To: [ExchangeList]
Subject: [exchangelist] RE: Dual or Quad for 4000 users
http://www.MSExchange.org/
I'm running about 1100-1200 mailboxes on a Dual Xeon 2.8ghz with 4 gigs of ram
.
Until recently, I had 400 gigs worth of stores. Right now I'm down to about
275gigs worth. I think this server would easily handle another 1500-2000
mailboxes based on the memory/cpu utilization I've seen. With 3.6 or 3.8ghz
processors I think 4000+ users on a dual box would be fine.
It should be noted this server has nothing on it except A/V and stores . I have
a front-end server as an SMTP/POP3/IMAP/OWA gateway.
-----Original Message-----
From: Teo De Las Heras [mailto:teoheras@xxxxxxxxx]
Sent: Monday, March 06, 2006 6:32 PM
To: [ExchangeList]
Subject: [exchangelist] Dual or Quad for 4000 users
http://www.MSExchange.org/
I've come across the rule of thumb that there should be a processor for
every 1000 users. I've also looked at the MMB3 stats as well. My question is,
what's the best way to determine the number and type of processors needed for
4000 users on Exchange 2003?
Teo
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