I have several Sun x4100 with Infiniband which appear to be running at 400MB/sec instead of 800MB/sec. It a freshly reformatted cluster converting from solaris to linux. We also reset the bios settings with "load optimal defaults". Does anyone know which bios setting i changed to dump the BW?
x4100 mellanox ib ofed-1.4.1-rc6 w/ openmpi
