Perhaps this is related to a known issue on some 4.4 and later kernels [1] where the stable write flag was not preserved by the kernel? [1] http://tracker.ceph.com/issues/19275 On Wed, Oct 4, 2017 at 2:36 PM, Gregory Farnum <gfarnum@xxxxxxxxxx> wrote: > That message indicates that the checksums of messages between your kernel > client and OSD are incorrect. It could be actual physical transmission > errors, but if you don't see other issues then this isn't fatal; they can > recover from it. > > On Wed, Oct 4, 2017 at 8:52 AM Josy <josy@xxxxxxxxxxxxxxxxxxxxx> wrote: >> >> Hi, >> >> We have setup a cluster with 8 OSD servers (31 disks) >> >> Ceph health is Ok. >> -------------- >> [root@las1-1-44 ~]# ceph -s >> cluster: >> id: de296604-d85c-46ab-a3af-add3367f0e6d >> health: HEALTH_OK >> >> services: >> mon: 3 daemons, quorum >> ceph-las-mon-a1,ceph-las-mon-a2,ceph-las-mon-a3 >> mgr: ceph-las-mon-a1(active), standbys: ceph-las-mon-a2 >> osd: 31 osds: 31 up, 31 in >> >> data: >> pools: 4 pools, 510 pgs >> objects: 459k objects, 1800 GB >> usage: 5288 GB used, 24461 GB / 29749 GB avail >> pgs: 510 active+clean >> ==================== >> >> We created a pool and mounted it as RBD in one of the client server. >> While adding data to it, we see this below error : >> >> ======== >> [939656.039750] libceph: osd20 10.255.0.9:6808 bad crc/signature >> [939656.041079] libceph: osd16 10.255.0.8:6816 bad crc/signature >> [939735.627456] libceph: osd11 10.255.0.7:6800 bad crc/signature >> [939735.628293] libceph: osd30 10.255.0.11:6804 bad crc/signature >> >> ========= >> >> Can anyone explain what is this and if I can fix it ? >> >> >> _______________________________________________ >> 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 > -- Jason _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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