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How did you get the UUIDs without mounting the osds?
In my cluster, mount osd devices manually in /etc/fstab, for instances:
vi /etc/fstab
# ...
UUID=98c87892-21cd-481b-9619-1a4a65620d79 /var/lib/ceph/osd/ceph-0 xfs rw,noatime,inode64,logbsize=256k,delaylog 0 3
UUID=d56aeb7b-6160-4872-91dc-346b39019081 /var/lib/ceph/osd/ceph-1 xfs rw,noatime,inode64,logbsize=256k,delaylog 0 3
UUID=db9782a6-b661-46b5-b993-a4d96bdc37d8 /var/lib/ceph/osd/ceph-2 xfs rw,noatime,inode64,logbsize=256k,delaylog 0 3
UUID=ec95aa19-127d-410b-86a3-d68ee6baff2e /var/lib/ceph/osd/ceph-3 xfs rw,noatime,inode64,logbsize=256k,delaylog 0 3
UUID=44694045-d9a3-4df4-948c-a77696d22406 /var/lib/ceph/osd/ceph-4 xfs rw,noatime,inode64,logbsize=256k,delaylog 0 3
mount -a
mount
/dev/sda12 on /var/lib/ceph/osd/ceph-0 type xfs (rw,noatime,seclabel,attr2,inode64,logbsize=256k,noquota)
/dev/sda13 on /var/lib/ceph/osd/ceph-1 type xfs (rw,noatime,seclabel,attr2,inode64,logbsize=256k,noquota)
/dev/sdb1 on /var/lib/ceph/osd/ceph-2 type xfs (rw,noatime,seclabel,attr2,inode64,logbsize=256k,noquota)
/dev/sdb2 on /var/lib/ceph/osd/ceph-3 type xfs (rw,noatime,seclabel,attr2,inode64,logbsize=256k,noquota)
/dev/sdb3 on /var/lib/ceph/osd/ceph-4 type xfs (rw,noatime,seclabel,attr2,inode64,logbsize=256k,noquota)
reboot
ceph osd tree
# id weight type name up/down reweight
-1 22.75 root default
-2 4.55 host storage1
0 0.91 osd.0 up 1
1 0.91 osd.1 up 1
2 0.91 osd.2 up 1
3 0.91 osd.3 up 1
4 0.91 osd.4 up 1
-3 4.55 host storage2
5 0.91 osd.5 up 1
6 0.91 osd.6 up 1
7 0.91 osd.7 up 1
8 0.91 osd.8 up 1
9 0.91 osd.9 up 1
-4 4.55 host lkl-storage3
10 0.91 osd.10 up 1
11 0.91 osd.11 up 1
12 0.91 osd.12 up 1
13 0.91 osd.13 up 1
14 0.91 osd.14 up 1
-5 4.55 host storage4
15 0.91 osd.15 up 1
16 0.91 osd.16 up 1
17 0.91 osd.17 up 1
18 0.91 osd.18 up 1
19 0.91 osd.19 up 1
-6 4.55 host storage5
20 0.91 osd.20 up 1
21 0.91 osd.21 up 1
22 0.91 osd.22 up 1
23 0.91 osd.23 up 1
24 0.91 osd.24 up 1
Date: 2015-04-10 22:17
Subject: Re: ERROR: missing keyring, cannot use cephx for authentication
Hi there, just to be sure if you could figure how to fix this problem?
Thanks
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Did
you know how to solve it? it is really weird…
Thanks!
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Hi，Jesus
I encountered similar problem.
1. shut down one of nodes， but all osds can't reactive on the node after reboot.
2. run service ceph restart manually, got
the same error message:
[root@storage4 ~]# /etc/init.d/ceph start
=== osd.15 ===
2015-03-23 14:43:32.399811 7fed0fcf4700 -1 monclient(hunting): ERROR: missing keyring, cannot use cephx for authentication
2015-03-23 14:43:32.399814 7fed0fcf4700 0 librados: osd.15 initialization error (2) No such file or directory
Error connecting to cluster: ObjectNotFound
failed: 'timeout 30 /usr/bin/ceph -c /etc/ceph/ceph.conf --name=osd.15 --keyring=/var/lib/ceph/osd/ceph-15/keyring osd crush create-or-move -- 15 0.19 host=storage4 root=default'
......
3. ll /var/lib/ceph/osd/ceph-15/
total 0
all files disappeared in the /var/lib/ceph/osd/ceph-15/
Date: 2015-03-24 05:09
Subject: ERROR: missing keyring, cannot use cephx for authentication
Hi all, I did HA failover test shutting down 1 node and I see that only 1 OSD came up after reboot:
[root@geminis ceph]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/rhel-root 50G 4.5G 46G 9% /
devtmpfs 126G 0 126G 0% /dev
tmpfs 126G 80K 126G 1% /dev/shm
tmpfs 126G 9.9M 126G 1% /run
tmpfs 126G 0 126G 0% /sys/fs/cgroup
/dev/sda1 494M 165M 330M 34% /boot
/dev/mapper/rhel-home 36G 44M 36G 1% /home
/dev/sdc1 3.7T 134M 3.7T 1% /var/lib/ceph/osd/ceph-14
If I run service ceph restart I got this error message…
Stopping Ceph osd.94 on geminis...done
=== osd.94 ===
2015-03-23 15:05:41.632505 7fe7b9941700 -1 monclient(hunting): ERROR: missing keyring, cannot use cephx for authentication
2015-03-23 15:05:41.632508 7fe7b9941700 0 librados: osd.94 initialization error (2) No such file or directory
Error connecting to cluster: ObjectNotFound
failed: 'timeout 30 /usr/bin/ceph -c /etc/ceph/ceph.conf --name=osd.94 --keyring=/var/lib/ceph/osd/ceph-94/keyring osd crush create-or-move -- 94 0.05 host=geminis root=default
I have ceph.conf and ceph.client.admin.keyring under /etc/ceph:
[root@geminis ceph]# ls /etc/ceph
ceph.client.admin.keyring ceph.conf rbdmap tmp1OqNFi tmptQ0a1P
[root@geminis ceph]#
does anybody know what could be wrong?
Thanks
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