Re: Server Hardware specs for Exchange 2003
anonymous_at_discussions.microsoft.com
Date: 07/12/04
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Date: Mon, 12 Jul 2004 06:07:37 -0700
Thanks. I just wanted to make sure that I didn't
purchase a box that would start under perfomring in a
year. I think out of our 125 users, there are only 50
that are hardcore mail users. The rest probably only
check their accounts once a day.
>-----Original Message-----
>Server sizing is and likely always will be more art than
science. That's
>because there are too many variables to contend with.
For example, user
>profile has an impact on your requirements. If the 125-
150 users are not
>doing anything all day long, or even if they take turns
('cause maybe you
>only have one desktop for them to use?) your profile
would be one thing vs.
>if the user profile was 125 hardcore messaging clients
sending and receiving
>7000 2MB messages each.
>Applications that also run on the machine are also
important when it comes
>to sizing. If you run SQL and Anti-virus and host
intrusion detection and
>?? applications, it impacts the user density you can
achieve.
>
>In terms of performance, your processor is likely the
least of your worries.
>In fact, on many of the intel-based servers, I've found
that processor waits
>really really fast compared to what we get out of it.
That's because Intel
>has for so long been pushing the "raw-speed-rules"
mantra. Equivalent of
>putting a high-end carburetor on a '79 yugo when it
comes to two-phase
>commit databases with random-read/write I/O
characteristics (tends to be
>heavy read, but..)
>
>No, in terms of performance, you'll get better bang for
the buck if you
>focus on removing bottlenecks in the I/O subsystem.
Since your machine of
>choice so far is somewhat limited, your disk choice may
not be an issue.
>But again, see the first paragraph to understand why we
don't have enough
>information to accurately answer that.
>
>Reference: I've seen 2000 medium (mmb2 benchmark
definition) users on a
>machine with half the processor speed, more drives, anti-
virus and backup
>software running on them. They had plenty of room left
on those machines.
>
>I'd go with the current machine. I'd think for many
small implementations,
>a desktop-class machine could do the job as well except
for the availability
>problems.
>
>Hope this helps,
>Al
>
>
><anonymous@discussions.microsoft.com> wrote in message
>news:29f8101c465f7$a11a7650$a501280a@phx.gbl...
>> Thanks for you response. I had checked the exchange
site
>> and was looking for more detail about number of users
and
>> realistic specs. I am looking at a dual processor
>> 3.06Ghz, 2G RAM and raid 5 with 3 73G drives. We have
>> approximately 125 users now and will probably grow to
>> over 150 in the next year. Ofcourse, Dell is trying to
>> sell me a bigger box saying that this box really should
>> support only 70 users. I think it's a huge improvement
>> over what we have and should be good. Just looking for
>> more experienced input. Thanks.
>>
>> >-----Original Message-----
>> >Nicole:
>> >
>> >You need to look a little harder. The specs can be
found
>> here:
>>
>http://www.microsoft.com/exchange/evaluation/sysreqs/2003
>> .asp. Check
>> >http://www.microsoft.com/exchange first if you have
any
>> further questions
>> >regarding Exchange.
>> >
>> >Regards,
>> >Martin
>> >
>> >"Nicole" <anonymous@discussions.microsoft.com> wrote
in
>> message
>> >news:29dee01c465df$fe115e40$a501280a@phx.gbl...
>> >> I am looking to migrate from Exchange 5.5 to
Exchange
>> >> 2003. I need to purchase a new server to support
this.
>> >> We currently have about 125 users. Our current
>> >> Information Store is about 5G. I can't find any
specs
>> on
>> >> hardware requirements for the new server. Any
>> >> suggestions would be appreciated.
>> >
>> >
>> >.
>> >
>
>
>.
>
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