[Bug 1641229] Re: ceph does not support use of OSD's with multipath devices

[James Page]

** Summary changed:

- Permission denied during ceph-deploy osd create/activate
+ ceph does not support use of OSD's with multipath devices

** Changed in: ceph (Ubuntu)
       Status: New => Triaged

** Changed in: ceph (Ubuntu)
   Importance: Undecided => Wishlist

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https://bugs.launchpad.net/bugs/1641229

Title:
  ceph does not support use of OSD's with multipath devices

Status in ceph package in Ubuntu:
  Triaged

Bug description:
  Ubuntu 16.04.1 LTS
  ceph version 10.2.2 (45107e21c568dd033c2f0a3107dec8f0b0e58374)

  I'm trying to create OSD with command
  ceph-deploy osd prepare ceph-node1:dm-2
  ceph-deploy osd activate ceph-node1:dm-3

  but on activation step it fails with:
  ** ERROR: error creating empty object store in /var/lib/ceph/tmp/mnt.MuFKyJ: (13) Permission denied

  As a result I have 1 OSD in but it's down.

  I tried to do it manually and it ends with exact same result.
  My disk is multipath device /dev/dm-2 which partitions are visible as dm-3 and dm-4 (journal)

  I can reproduce it on 3 different machines, with same versions of both
  ubuntu and ceph, also hardware is the same.

  I'm attaching full log from OSD creation.

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