yum groupinstall "Infiniband support" yum install opensm ibacm in /etc/rdma/rcma.conf: IPOIB_LOAD=yes service rdma start service opensm start service ibacm start when you'll have ib0 etc. interfaces just configure them with IP addresses and peer probe those new addreses in glusterfs. Be careful when you'll be detatching existing volume from GbE peers to those new IPoIB peers. And for sure you have to do some reading on InfiniBand in Linux. The hints above are just a Quick Quick Quick start. Regards, -- Bartek Krawczyk network and system administrator