03-06-2006, 12:39 PM
Thumbs Must Hurt
Join Date: Aug 2005
Location: Southern Maryland
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I am not sure what your SQL server horsepower will be, but you may want to redress that particular configuration model.
We reviewed the white paper information from RIM-http://www.blackberry.com/knowledgecenter/livelink.exe?func=ll&objId=1181843&objAction=brows e&sort=name
then decided that the best configuration to support a 25,000 user network would be the following-
Twin Xeon processor servers w/4 Gb of memory for each 2000 users connecting into a clustered SQL database
The SQL servers would have twin Xeon processors and 2-4 Gb of memory clustered on a SAN array with 1 server in the cluster for every 2 BES servers.
To make the environment high availability, we plan to install 1-2 BES servers as cut-over servers in case any of the production units fail...minimizing user downtime.
This setup provides scalability with a high availability platform which is centrally located and easily managed.