Re: Hardware Specs For Cluster

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

From: Darrel (Darrel_at_nynuxus.gotadsl.co.uk)
Date: 02/15/05 

Date: Tue, 15 Feb 2005 10:07:14 -0000

Hi

The system is for around 1500 users we average per day around 12Gb of mail.
The front end servers will be being used by around 300 users for outlook web
access. One box for sending smtp mail and the other for recieving. The
reason the specs are so good for these 2 boxes is they are spare.

I was more concerned with the scalability of the back end, as I know we can
just use a hardware load balancer to add more OWA front ends should we need
them.

Also is the seperate bridgehead server a overkill as we only have 5 remotes
sites. The biggest having around 250 people that will send all external mail
through us.

Thanks for all your replies.

"Brian Desmond [MVP]" <desmondb@payton.cps.k12.il.us> wrote in message
news:OEXLYMkEFHA.1188@tk2msftngp13.phx.gbl...
> 4GB DL380s for SMTP & OWA bridgeheads? Thats a big load of box for not a
> lot ... how many messages per second were you planning to transfer here? I
> usually tend to think a couple of DL360s for XGW & OWA.
>
> Haven't used the MSA1000 though was eyeballing it for a large deployment.
> It's nice to scale up from. For your storage requirement I'd expect it to
> be more than sufficient. I wouldn't consider it worth putting dual HBAs in
> the 380s given one of these SAN-in-a-box units. CHances are you're going
> to route the fiber through the same duct, and then the switch is built
> into the SAN unit. So, the only real point of failure here would be the
> HBA and that's prolly not gonna fail during production.
>
> Not sure whether the 380s would in general hold up without some more info
> on the usage patterns of the users.
>
>
>
> --
> --Brian Desmond
> Windows Server MVP
> desmondb@payton.cps.k12.il.us
>
> www.briandesmond.com
>
>
> "Darrel" <Darrel@nynuxus.gotadsl.co.uk> wrote in message
> news:O8EPvSSEFHA.1936@TK2MSFTNGP14.phx.gbl...
>> Hi
>>
>> We are currently designing a system for around 1500 users but are unsure
>> of the hardware specs to use. The system is to be very resilient.
>>
>> We are looking at the following
>>
>> 2 X DL380's SMTP and OWA in a DMZ, twin cpu's 4Gb ram. one to send mail
>> the other to recieve.2 mx records with costs pointing at both boxes.
>>
>> 2X DL380's Cluster Nodes, twin CPU's 4Gb of ram local mirrored drives for
>> OS and pagefile, HBA cards
>>
>> 1x MSA1000 SAN Array
>> 300Gb drives RAID 0+1 config.built in fibre channel switch.
>>
>> 1X DL360 Bridgehead server for remote site connectivity
>>
>> Does this sound viable and has any one used the MSA 1000 SAN ?
>>
>>
>> Thanks
>>
>>
>>
>>
>>
>>
>
>

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