Hi,
I recently started a test to upgrade ceph from 0.94.5 to 9.2.0 on
Centos7. I had some issues not mentioned in the release notes. Hereby
some notes:
* Upgrading instructions are only in the release notes, not updated on
the upgrade page in the docs:
http://docs.ceph.com/docs/master/install/upgrading-ceph/
* Once you've updated the packages, `service ceph stop` or `service ceph
stop <daemon>` won't actually work anymore, is pointing to a
non-existing target. This is a step in the upgrade procedure I couldn't
do, I manually killed the processes.
[root@ceph001 ~]# service ceph stop osd
Redirecting to /bin/systemctl stop osd ceph.service
Failed to issue method call: Unit osd.service not loaded
* You also need to chown the journal partitions used for the osds. only
chowning /var/lib/ceph is not enough
* Permissions on log files are not completely ok. The /var/log/ceph
folder is owned by ceph, but existing files are still owned by root, so
I had to manually chown these, otherwise I got messages like this:
2015-11-13 11:32:26.641870 7f55a4ffd700 1 mon.ceph003@2(peon).log v4672
unable to write to '/var/log/ceph/ceph.log' for channel 'cluster': (13)
Permission denied
.* I still get messages like these in the log files, not sure if they
are harmless or not:
2015-11-13 11:52:53.840414 7f610f376700 -1 lsb_release_parse - pclose
failed: (13) Permission denied
* systemctl start ceph.target does not start my osds.., I have to start
them all with systemctl start ceph-osd@...
* systemctl restart ceph.target restart the running osds, but not the
osds that are not yet running.
* systemctl stop ceph.target stops everything, as expected :)
I didn't tested everything thoroughly yet, but does someone has seen the
same issues?
Thanks!
Kenneth
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