On Tue, Aug 13, 2019 at 12:36 PM Serkan Çoban <cobanserkan@xxxxxxxxx> wrote: > > Hi, > > Just installed nautilus 14.2.2 and setup cephfs on it. OS is all centos 7.6. > From a client I can mount the cephfs with ceph-fuse, but I cannot > mount with ceph kernel client. > It gives "mount error 110 connection timeout" and I can see "libceph: > corrupt full osdmap (-12) epoch 2759 off 656" in /var/log/messages. > This client is not on same subnet with ceph servers. > > However on a client with the same subnet with the servers I can > successfully mount both with ceph-fuse and kernel client. > > Do I need to configure anything for the clients those are in different subnet? > Is this a kernel issue? Hi Serkan, It is failing to allocate memory, so the subnet is probably not the issue. Is there anything else pointing to memory shortage -- "page allocation failure" splats, etc? How much memory is available for use on that node? How many OSDs do you have in your cluster? Thanks, Ilya _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com