I know this config was done using IBMs configuration tool, would it build a system that was not going to perform well?
I know this is a hard question to answer without a whole lot more information but, generally, wouldn't going from 23 arms to 10 > create a bottleneck at disk IO?
We are looking to upgrade our 520 and our business partner has proposed this config
2 CPUS 8300 CPW
10 - 139.5GB disk drives
We currently run 1 CPU, 16GB RAM and 23 drives of various sizes.