[Bug 1767087] Re: ceph-volume: block device permissions sometimes not set on initial activate call

[David Ames]

** Changed in: charm-ceph-osd
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1767087

Title:
  ceph-volume: block device permissions sometimes not set on initial
  activate call

Status in OpenStack ceph-osd charm:
  Fix Released
Status in ceph package in Ubuntu:
  Incomplete

Bug description:
  When using bluestore or filestore with a separate journal device, we
  often see that the ceph-osd daemon crashes on activation with a
  'permission denied' error on the link to the block device supporting
  the particular component of the OSD (bluestore block/wal/db or journal
  device for filestore).

  chown -R ceph:ceph /dev/dm-X fixes the issue and the osd can then be
  started; I've also not seen this issue occur during a normal reboot
  (as the permissions are re-asserted by ceph-volume as OSD's are
  started up).

  Hunch is something udev-y is racing with ceph-volume on the initial
  activiate call but not tracked it down yet.

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