[THIN] Scaling.....1 big server, or a few smaller ones?
- From: "Dez" <Dez_is@xxxxxxxxxxx>
- To: thin@xxxxxxxxxxxxx <thin@xxxxxxxxxxxxx>
- Date: Wed, 11 Dec 2002 10:25:53 +0000
Hi
We currently run a 2 server XPa FR2 farm on W2k Server, one is a Compaq DL330,
2x1Ghz P3, 1Gb RAM, and the other is a DL580, 2x 700 Xeon with 2Gb RAM. This
serves around 40 concurrent users running published desktop with multiple apps,
including Office2k with propietry macros, and about 3 other financial apps, as
well as IE etc. The servers are balanced to give about a 70% / 30% split of
users towards the DL580 due to it being the more powerful server.
In the near future, we may be doubling Citrix numbers to around 120, so will
need server upgrades/additions. My initial plan was to upgrade the DL580 to 4x
Xeon and 4Gb RAM, and add another the same into the farm, then remove the 330
from actively hosting users and make it a test server. this would mean around
60 users on each DL580.
My question is, is this a "best practice" solution as I read elsewhere that it
may be better to host less users on multiple servers rather than lots of users
on fewer large servers, and that 100 users was an absolute max, with 50 being a
more acceptable limit. The problem with going down this route is the increased
Win2k Server licensing issues for more servers. Also, one of our apps requires
a visit/dial-in from the vendor to set it up for Citrix use, which is charged
on a per server basis. This also may cause physical issues with rack space, UPS
supply and KVM connections which could increase costs further, so I am keen to
stick with the original plan, but am a little concerned there may be a better
way.
thanks
Dez
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