Bug #6592
Updated by Loïc Dachary over 10 years ago
After *ceph-deploy create osd* the osd fails to start because the journal can't be found
<pre>
root@bm0301:~# ls -l /var/lib/ceph/osd/ceph-0/journal
lrwxrwxrwx 1 root root 58 Oct 18 16:13 /var/lib/ceph/osd/ceph-0/journal -> /dev/disk/by-partuuid/763ec75e-ae9b-4729-84c9-2dfcb7f0697f
root@bm0301:~# ls -l /dev/disk/by-partuuid/763ec75e-ae9b-4729-84c9-2dfcb7f0697f
ls: cannot access /dev/disk/by-partuuid/763ec75e-ae9b-4729-84c9-2dfcb7f0697f: No such file or directory
</pre>
It is because it's missing from */dev/disk/by-partuuid* :
<pre>
root@ops-bm0301:/dev/disk# ls -l by-partuuid
total 0
lrwxrwxrwx 1 root root 18 Oct 18 16:14 0aad873e-048a-4501-b0d6-fe8619cc7a07 -> ../../cciss/c0d2p1
lrwxrwxrwx 1 root root 18 Oct 18 16:43 256c419c-f05e-46e8-a5d9-e096c656fac7 -> ../../cciss/c0d1p1
lrwxrwxrwx 1 root root 18 Oct 18 16:14 8aa4cf3b-2767-40ab-8f30-199451e5ed4e -> ../../cciss/c0d4p1
lrwxrwxrwx 1 root root 18 Oct 18 16:14 970b4ed5-78f4-4052-a008-2f2f659d9443 -> ../../cciss/c0d6p1
lrwxrwxrwx 1 root root 18 Oct 18 16:14 a9a6972c-f9ac-4d26-96ba-49c4692ce428 -> ../../cciss/c0d3p1
lrwxrwxrwx 1 root root 18 Oct 18 16:14 c164d530-2875-4a52-982a-54b8bc5ded9a -> ../../cciss/c0d5p1
</pre>
although
<pre>
sgdisk --print /dev/cciss/c0d1
Number Start (sector) End (sector) Size Code Name
1 2099200 585871930 278.4 GiB FFFF ceph data
2 2048 2097152 1023.0 MiB FFFF ceph journal
and
sgdisk --info=2 /dev/cciss/c0d1
Partition GUID code: 45B0969E-9B03-4F30-B4C6-B4B80CEFF106 (Unknown)
Partition unique GUID: 763EC75E-AE9B-4729-84C9-2DFCB7F0697F
First sector: 2048 (at 1024.0 KiB)
Last sector: 2097152 (at 1024.0 MiB)
Partition size: 2095105 sectors (1023.0 MiB)
Attribute flags: 0000000000000000
Partition name: 'ceph journal'
</pre>
The problem is resolved after a reboot. That problem does not happen when dealing with */dev/sdX* devices