On Fri, Jan 25, 2019 at 9:40 AM Martin Palma <martin@xxxxxxxx> wrote: > > > Do you see them repeating every 30 seconds? > > yes: > > Jan 25 09:34:37 sdccgw01 kernel: [6306813.737615] libceph: mon4 > 10.8.55.203:6789 session lost, hunting for new mon > Jan 25 09:34:37 sdccgw01 kernel: [6306813.737620] libceph: mon3 > 10.8.55.202:6789 session lost, hunting for new mon > Jan 25 09:34:37 sdccgw01 kernel: [6306813.737728] libceph: mon2 > 10.8.55.201:6789 session lost, hunting for new mon > Jan 25 09:34:37 sdccgw01 kernel: [6306813.739711] libceph: mon1 > 10.7.55.202:6789 session established > Jan 25 09:34:37 sdccgw01 kernel: [6306813.739899] libceph: mon1 > 10.7.55.202:6789 session established > Jan 25 09:34:37 sdccgw01 kernel: [6306813.740015] libceph: mon3 > 10.8.55.202:6789 session established > Jan 25 09:34:43 sdccgw01 kernel: [6306819.881560] libceph: mon2 > 10.8.55.201:6789 session lost, hunting for new mon > Jan 25 09:34:43 sdccgw01 kernel: [6306819.883730] libceph: mon4 > 10.8.55.203:6789 session established > Jan 25 09:34:47 sdccgw01 kernel: [6306823.977566] libceph: mon0 > 10.7.55.201:6789 session lost, hunting for new mon > Jan 25 09:34:47 sdccgw01 kernel: [6306823.980033] libceph: mon1 > 10.7.55.202:6789 session established > Jan 25 09:35:07 sdccgw01 kernel: [6306844.457449] libceph: mon1 > 10.7.55.202:6789 session lost, hunting for new mon > Jan 25 09:35:07 sdccgw01 kernel: [6306844.457450] libceph: mon3 > 10.8.55.202:6789 session lost, hunting for new mon > Jan 25 09:35:07 sdccgw01 kernel: [6306844.457612] libceph: mon1 > 10.7.55.202:6789 session lost, hunting for new mon > Jan 25 09:35:07 sdccgw01 kernel: [6306844.459168] libceph: mon3 > 10.8.55.202:6789 session established > Jan 25 09:35:07 sdccgw01 kernel: [6306844.459537] libceph: mon4 > 10.8.55.203:6789 session established > Jan 25 09:35:07 sdccgw01 kernel: [6306844.459792] libceph: mon4 > 10.8.55.203:6789 session established > > > Which kernel are you running? > > Current running kernel is 4.11.0-13-generic (Ubuntu 16.04.5 LTS), and > the latest that is provided is 4.15.0-43-generic Looks like https://tracker.ceph.com/issues/23537 indeed. A kernel upgrade will fix it. Thanks, Ilya _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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