Hi all,
One of OSD in my cluster is in down state, I am not able to start service on it.
Is there any way that I can start osd service on it?
ems@rack2-storage-1:~$ sudo ceph osd tree
# id weight type name up/down reweight
-1 46.9 root default
-2 23.45 host rack2-storage-5
1 3.35 osd.1 up 1
3 3.35 osd.3 up 1
4 3.35 osd.4 up 1
5 3.35 osd.5 up 1
6 3.35 osd.6 up 1
0 3.35 osd.0 up 1
2 3.35 osd.2 up 1
-3 23.45 host rack2-storage-1
7 3.35 osd.7 up 1
8 3.35 osd.8 up 1
9 3.35 osd.9 up 1
10 3.35 osd.10 up 1
11 3.35 osd.11 up 1
12 3.35 osd.12 up 1
13 3.35 osd.13 down 1
ems@rack2-storage-1:~$
ems@rack2-storage-1:~$ sudo start ceph-osd id=13
ceph-osd (ceph/13) stop/pre-start, process 161610
ems@rack2-storage-1:~$
ems@rack2-storage-1:~$ ps -ef | grep osd
root 32552 1 99 Dec01 ? 3-06:46:30 /usr/bin/ceph-osd --cluster=ceph -i 8 -f
root 38540 1 99 Dec01 ? 4-09:36:39 /usr/bin/ceph-osd --cluster=ceph -i 12 -f
root 93973 1 89 14:42 ? 02:05:17 /usr/bin/ceph-osd --cluster=ceph -i 7 -f
root 101963 1 93 15:16 ? 01:38:59 /usr/bin/ceph-osd --cluster=ceph -i 10 -f
root 160394 1 90 16:59 ? 00:02:01 /usr/bin/ceph-osd --cluster=ceph -i 9 -f
root 160764 1 95 16:59 ? 00:01:48 /usr/bin/ceph-osd --cluster=ceph -i 11 -f
ems 161614 79737 0 17:01 pts/0 00:00:00 grep --color=auto osd
ems@rack2-storage-1:~$
ems@rack2-storage-1:~$ sudo /usr/bin/ceph-osd --cluster=ceph -i 13 -f &
[1] 161623
ems@rack2-storage-1:~$ 2014-12-04 17:01:50.586525 7fd174248900 -1 ** ERROR: unable to open OSD superblock on /var/lib/ceph/osd/ceph-13: (5) Input/output error
[1]+ Exit 1 sudo /usr/bin/ceph-osd --cluster=ceph -i 13 -f
ems@rack2-storage-1:~$
-Thanks & regards,
Mallikarjun Biradar
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