On Fri, 14 Jun 2013 12:13:53 -0700 Bryan Whitehead <driver at megahappy.net> wrote: > I'm using 40G Infiniband with IPoIB for gluster. Here are some ping > times (from host 172.16.1.10): > > [root at node0.cloud ~]# ping -c 10 172.16.1.11 > PING 172.16.1.11 (172.16.1.11) 56(84) bytes of data. > 64 bytes from 172.16.1.11: icmp_seq=1 ttl=64 time=0.093 ms > 64 bytes from 172.16.1.11: icmp_seq=2 ttl=64 time=0.113 ms > 64 bytes from 172.16.1.11: icmp_seq=3 ttl=64 time=0.163 ms > 64 bytes from 172.16.1.11: icmp_seq=4 ttl=64 time=0.125 ms > 64 bytes from 172.16.1.11: icmp_seq=5 ttl=64 time=0.125 ms > 64 bytes from 172.16.1.11: icmp_seq=6 ttl=64 time=0.125 ms > 64 bytes from 172.16.1.11: icmp_seq=7 ttl=64 time=0.198 ms > 64 bytes from 172.16.1.11: icmp_seq=8 ttl=64 time=0.171 ms > 64 bytes from 172.16.1.11: icmp_seq=9 ttl=64 time=0.194 ms > 64 bytes from 172.16.1.11: icmp_seq=10 ttl=64 time=0.115 ms > > --- 172.16.1.11 ping statistics --- > 10 packets transmitted, 10 received, 0% packet loss, time 8999ms > rtt min/avg/max/mdev = 0.093/0.142/0.198/0.035 ms What you like to say is that there is no significant difference compared to GigE, right? Anyone got a ping between two kvm-qemu virtio-net cards at hand? -- Regards, Stephan
