How to check infiniband availability.

Check Infiniband interface (from any node):
# ibstat | egrep 'State|Physical'
or
# ibstat

Test Infiniband:
# ibdiagnet -ls 14 -lw 4x

Example:
[root@xcat01 ~]# ibstat | grep -i state
State: Active
Physical state: LinkUp

-- AntonioPerezFernandez - 23 Jan 2017