May I suggest checking also the error counters on your network switch? Check speed and duplex. Is bonding in use? Is flow control on? Can you swap the network cable? Can you swap a NIC with another node and does the problem follow?
Hth, Alex On Friday, July 17, 2015, Steve Thompson <s...@vgersoft.com> wrote: > On Fri, 17 Jul 2015, J David wrote: > > f16 inbound: 6Gbps >> f16 outbound: 6Gbps >> f17 inbound: 6Gbps >> f17 outbound: 6Gbps >> f18 inbound: 6Gbps >> f18 outbound: 1.2Mbps >> > > Unless the network was very busy when you did this, I think that 6 Gb/s > may not be very good either. Usually iperf will give you much more than > that. For example, between two of my OSD's, I get 9.4 Gb/s, or up to 9.9 > Gb/s when nothing else is happening. > > Steve > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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