[Bug 1611082] Re: Upgrading ceph-osd from Kilo to Mitaka "misses" /var/lib/ceph ownership change

[James Page]

Actually the package *can't* do this - the packaging is configured not
to restart or attempt to manage the ceph daemons during normal package
updates;  the reason being is that you need to co-ordinate this just
like any other outage, and doing it during a package upgrade is not
ideal and can cause huge lag in a large cluster during the package
update transaction.

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https://bugs.launchpad.net/bugs/1611082

Title:
  Upgrading ceph-osd from Kilo to Mitaka "misses" /var/lib/ceph
  ownership change

Status in ceph package in Ubuntu:
  Opinion
Status in ceph-osd package in Juju Charms Collection:
  New

Bug description:
  I just upgraded ceph-{osd,mon} from Kilo to Mitaka (when doing a full OpenStack upgrade) 
  and it looks like the charm missed the step described in:

  http://docs.ceph.com/docs/master/release-notes/#upgrading-from-hammer

  Fix the ownership:

  chown -R ceph:ceph /var/lib/ceph
  chown -R ceph:ceph /var/log/ceph

  As you can see in the log files:

  http://paste.ubuntu.com/22719924/
  http://paste.ubuntu.com/22719976/

  Fixing the ownership by hand makes the error:

   No block devices detected using current configuration

  To disappear from juju status.

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