Reason i am asking because my Ceph-mon running on Openstack-ansible LXC container, and there are many services running, Just for safe side trying to avoid touching any of them. If my ceph-mon works fine with MTU 1500 then it would be great. ( trying to understand what kind of communication OSD and MON does) On Thu, Aug 16, 2018 at 11:59 AM, Bastiaan Visser <bvisser@xxxxxxxxxx> wrote: > From experience i can tell you that all mons need to use the same MTU between eachother. > > We moved from 1500 to 9000 a while ago and lost quorum while changing the MTU of the mons. Once all mons where at 9000, everything was fine again. > Cluster ran fine with 9000 on the OSD's + Clients and 1500 on MON's (but wht would you?) > > > ----- Original Message ----- > From: "Satish Patel" <satish.txt@xxxxxxxxx> > To: "ceph-users" <ceph-users@xxxxxxxxxxxxxx> > Sent: Thursday, August 16, 2018 5:53:07 PM > Subject: Ceph-mon MTU question > > 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
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