Could you share some of the OSD log, usually there some sort of assert or error message if it doesn’t want to come back up. Not too familiar with that config value but I’ve seen a bug in that version that causes osds to crash On Thu, Jul 24, 2025 at 10:52 AM Devender Singh <devender@xxxxxxxxxx> wrote: > Hello all > > Using 19.2.2, when enabling bdev_ioring and rebooting host then osd never > comes online as below…. Why? > > Also Dasboard not matching with cli? > > Host output in dashboard… showing running. Tried failing manager too but > it same. >  > > > Dashboard showing down >  > > > # ceph health detail > HEALTH_WARN 4 osds down; 1 host (4 osds) down; Degraded data redundancy: > 12998/38994 objects degraded (33.333%), 287 pgs degraded, 801 pgs undersized > [WRN] OSD_DOWN: 4 osds down > osd.4 (root=default,host= host07n) is down > osd.5 (root=default,host= host07n) is down > osd.6 (root=default,host= host07n) is down > osd.7 (root=default,host= host07n) is down > [WRN] OSD_HOST_DOWN: 1 host (4 osds) down > host host07n (root=default) (4 osds) is down > > > # ceph orch ps |grep -v running. ————> not showing anything down…. > NAME HOST > PORTS STATUS REFRESHED AGE MEM USE MEM LIM VERSION > IMAGE ID CONTAINER ID > > # systemctl list-units |grep -i osd > var-lib-ceph-osd-ceph\x2d4.mount > loaded active mounted > /var/lib/ceph/osd/ceph-4 > var-lib-ceph-osd-ceph\x2d5.mount > loaded active mounted > /var/lib/ceph/osd/ceph-5 > var-lib-ceph-osd-ceph\x2d6.mount > loaded active mounted > /var/lib/ceph/osd/ceph-6 > var-lib-ceph-osd-ceph\x2d7.mount > loaded active mounted > /var/lib/ceph/osd/ceph-7 > ceph-3b850efe-5dec-11f0-af3c-c1a764f7824e@osd.4.service > loaded activating auto-restart Ceph osd.4 > for 3b850efe-5dec-11f0-af3c-c1a764f7824e > ceph-3b850efe-5dec-11f0-af3c-c1a764f7824e@osd.5.service > loaded activating auto-restart Ceph osd.5 > for 3b850efe-5dec-11f0-af3c-c1a764f7824e > ceph-3b850efe-5dec-11f0-af3c-c1a764f7824e@osd.6.service > loaded activating auto-restart Ceph osd.6 > for 3b850efe-5dec-11f0-af3c-c1a764f7824e > ceph-3b850efe-5dec-11f0-af3c-c1a764f7824e@osd.7.service > loaded activating auto-restart Ceph osd.7 > for 3b850efe-5dec-11f0-af3c-c1a764f7824e > system-ceph\x2dosd.slice > loaded active active Slice > /system/ceph-osd > ceph-osd.target > loaded active active ceph target > allowing to start/stop all ceph-osd@.service instances at once > > > Came to running ….. > > # systemctl list-units |grep -i osd > var-lib-ceph-osd-ceph\x2d4.mount > loaded active mounted > /var/lib/ceph/osd/ceph-4 > var-lib-ceph-osd-ceph\x2d5.mount > loaded active mounted > /var/lib/ceph/osd/ceph-5 > var-lib-ceph-osd-ceph\x2d6.mount > loaded active mounted > /var/lib/ceph/osd/ceph-6 > var-lib-ceph-osd-ceph\x2d7.mount > loaded active mounted > /var/lib/ceph/osd/ceph-7 > ceph-3b850efe-5dec-11f0-af3c-c1a764f7824e@osd.4.service > loaded active running Ceph osd.4 for > 3b850efe-5dec-11f0-af3c-c1a764f7824e > ceph-3b850efe-5dec-11f0-af3c-c1a764f7824e@osd.5.service > loaded active running Ceph osd.5 for > 3b850efe-5dec-11f0-af3c-c1a764f7824e > ceph-3b850efe-5dec-11f0-af3c-c1a764f7824e@osd.6.service > loaded active running Ceph osd.6 for > 3b850efe-5dec-11f0-af3c-c1a764f7824e > ceph-3b850efe-5dec-11f0-af3c-c1a764f7824e@osd.7.service > loaded active running Ceph osd.7 for > 3b850efe-5dec-11f0-af3c-c1a764f7824e > system-ceph\x2dosd.slice > loaded active active Slice /system/ceph-osd > ceph-osd.target > loaded active active ceph target allowing > to start/stop all ceph-osd@.service instances at once > > Failed ….. > > # systemctl list-units |grep -i osd > var-lib-ceph-osd-ceph\x2d4.mount > loaded active mounted > /var/lib/ceph/osd/ceph-4 > var-lib-ceph-osd-ceph\x2d5.mount > loaded active mounted > /var/lib/ceph/osd/ceph-5 > var-lib-ceph-osd-ceph\x2d6.mount > loaded active mounted > /var/lib/ceph/osd/ceph-6 > var-lib-ceph-osd-ceph\x2d7.mount > loaded active mounted > /var/lib/ceph/osd/ceph-7 > ● ceph-3b850efe-5dec-11f0-af3c-c1a764f7824e@osd.4.service > loaded failed failed Ceph osd.4 for > 3b850efe-5dec-11f0-af3c-c1a764f7824e > ● ceph-3b850efe-5dec-11f0-af3c-c1a764f7824e@osd.5.service > loaded failed failed Ceph osd.5 for > 3b850efe-5dec-11f0-af3c-c1a764f7824e > ● ceph-3b850efe-5dec-11f0-af3c-c1a764f7824e@osd.6.service > loaded failed failed Ceph osd.6 for > 3b850efe-5dec-11f0-af3c-c1a764f7824e > ● ceph-3b850efe-5dec-11f0-af3c-c1a764f7824e@osd.7.service > loaded failed failed Ceph osd.7 for > 3b850efe-5dec-11f0-af3c-c1a764f7824e > system-ceph\x2dosd.slice > loaded active active Slice /system/ceph-osd > ceph-osd.target > loaded active active ceph target allowing > to start/stop all ceph-osd@.service instances at once > > Regards > Dev > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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