Two very useful SharePoint Server articles have been published on TechNet that are directly applicable to a Project Server farm. As I mentioned yesterday a properly configured SQL server will help Improving Queue Performance.
The disks and arrays you choose — and how you place data on those disks and arrays — can significantly affect system performance.
The topology of your system’s database tier, and your network, physical storage, and caching can significantly affect system performance. When you plan your hardware, remember that Office SharePoint Server 2007 is the last version of Office SharePoint Server that will run on 32-bit operating systems and databases.
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