Hmm! I think i have to go hard way :) let me see if i can make it 9000 across the LAN. anyway thanks for suggestion. On Thu, Aug 16, 2018 at 12:36 PM, Jack <ceph@xxxxxxxxxxxxxx> wrote: > On the same network, all host shall have the same MTU > > Packets truncating can only happen on routers > > Let say you have an OSD with mtu 9000, and a mon with mtu 1500 > > Communications from mon to osd will works, because the mon will send > 1500 bytes-sized packets, and this is < 9000 > > However, communications from osd to mon will be drop, because the osd > will send 9000 bytes-sized packets, which will be dropped by the switch > > I do not know if there is osd -> mon traffic > Yet such configuration will clearly be bug-prone > > > On 08/16/2018 05:53 PM, Satish Patel wrote: >> Folks, >> >> I am changing all my OSD node MTU to 9000 and just wonder does >> ceph-mon node need MTU 9000 ? I know that are not going to deal with >> high volume data but just curious does that impact functionality if >> ceph-mon running on MTU 1500 and all OSD data node run on MTU 9000 >> (FYI: they all are on same LAN ) >> _______________________________________________ >> ceph-users mailing list >> ceph-users@xxxxxxxxxxxxxx >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com