Hello All,
Unfortunately my virtual ceph cluster(virtual machines on VMware ESXI) felt into strange state.
When i reboot one of ceph OSD machines (hostname=osd3), all of OSD daemons that related to that host were down (it's normal).
But when that OSD host boots up, i couldn't make OSDs UP, Because when i run this command to view my ceph daemons ($ sudo systemctl -a | grep ceph ), there was no
ceph-osd@x.sevice deamon to to got start by me.
$ sudo systemctl -a | grep ceph
.
.
.
var-lib-ceph-osd-ceph\x2d2.mount loaded active mounted /var/lib/ceph/osd/ceph-2
var-lib-ceph-osd-ceph\x2d5.mount loaded active mounted /var/lib/ceph/osd/ceph-5
var-lib-ceph-osd-ceph\x2d8.mount loaded active mounted /var/lib/ceph/osd/ceph-8
session-1.scope loaded active abandoned Session 1 of user cephuser
session-37.scope loaded active running Session 37 of user cephuser
.
.
.
so , when i run following command in that OSD host, my OSD daemon getting UP.
$ ceph-osd -i 2
$ ceph-osd -i 5
$ ceph-osd -i 8
....................................................
$ ceph osd tree
ID WEIGHT TYPE NAME UP/DOWN REWEIGHT PRIMARY-AFFINITY
-1 1.26874 root default
-2 0.29279 host osd1
0 0.09760 osd.0 up 1.00000 1.00000
3 0.09760 osd.3 up 1.00000 1.00000
6 0.09760 osd.6 up 1.00000 1.00000
-3 0.48798 host osd2
1 0.09760 osd.1 up 1.00000 1.00000
4 0.09760 osd.4 up 1.00000 1.00000
7 0.09760 osd.7 up 1.00000 1.00000
9 0.09760 osd.9 up 1.00000 1.00000
10 0.09760 osd.10 up 1.00000 1.00000
-4 0.48798 host osd3
2 0.09760 osd.2 up 1.00000 1.00000
5 0.09760 osd.5 up 1.00000 1.00000
8 0.09760 osd.8 up 1.00000 1.00000
But, still there is no ceph-osd@x.sevice daemon to manage OSDs.
what is the problem ???
Regards
Albert
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