Prerequisites

Only iDataplex is supported, on homogeneous nodes (same hardware, OS, CPU count, memory). Hyperthreading must be disabled on all nodes.
No compute node may be in turbo-boost mode.
The cpufrequtils package is installed on all compute nodes. (Use yum install or obtain an rpm package from your Linux distribution ISO.)
unixODBC must be on the master/master candidate hosts.
mysql-connector-odbc must be on the master/master candidate hosts.
MySQL DB/xCat MySQL DB must be installed to save coefficient data and tag data.
STREAM and NPB-NAS Parallel Benchmarks are required.