On Wed, 24 Sep 2014, Mark Kirkwood wrote: > On 24/09/14 14:29, Aegeaner wrote: > > I run ceph on Red Hat Enterprise Linux Server 6.4 Santiago, and when I > > run "service ceph start" i got: > > > > # service ceph start > > > > ERROR:ceph-disk:Failed to activate > > ceph-disk: Does not look like a Ceph OSD, or incompatible version: > > /var/lib/ceph/tmp/mnt.I71N5T > > mount: /dev/hioa1 already mounted or /var/lib/ceph/tmp/mnt.02sVHj busy > > ceph-disk: Mounting filesystem failed: Command '['/bin/mount', '-t', > > 'xfs', '-o', 'noatime', '--', > > > '/dev/disk/by-parttypeuuid/4fbd7e29-9d25-41b8-afd0-062c0ceff05d.6d726c93-41f9-453d-858e-ab4132b5c8fd', > > '/var/lib/ceph/tmp/mnt.02sVHj']' returned non-zero exit status 32 > > ceph-disk: Error: One or more partitions failed to activate > > > > Someone told me "service ceph start" still tries to call ceph-disk which > > will create a filestore type OSD, and create a journal partition, is it > > true? > > > > ls -l /dev/disk/by-parttypeuuid/ > > > > lrwxrwxrwx. 1 root root 11 9? 23 16:56 > > > 45b0969e-9b03-4f30-b4c6-b4b80ceff106.00dbee5e-fb68-47c4-aa58-924c904c4383 > > -> ../../hioa2 > > lrwxrwxrwx. 1 root root 10 9? 23 17:02 > > > 45b0969e-9b03-4f30-b4c6-b4b80ceff106.c30e5b97-b914-4eb8-8306-a9649e1c20ba > > -> ../../sdb2 > > lrwxrwxrwx. 1 root root 11 9? 23 16:56 > > > 4fbd7e29-9d25-41b8-afd0-062c0ceff05d.6d726c93-41f9-453d-858e-ab4132b5c8fd > > -> ../../hioa1 > > lrwxrwxrwx. 1 root root 10 9? 23 17:02 > > > 4fbd7e29-9d25-41b8-afd0-062c0ceff05d.b56ec699-e134-4b90-8f55-4952453e1b7e > > -> ../../sdb1 > > lrwxrwxrwx. 1 root root 11 9? 23 16:52 > > > 89c57f98-2fe5-4dc0-89c1-f3ad0ceff2be.6d726c93-41f9-453d-858e-ab4132b5c8fd > > -> ../../hioa1 > > > > There seems to be two hioa1 partitions there, maybe remained from last > > time I create the OSD using ceph-deploy osd prepare? > > > > Crap - it is fighting you, yes - looks like the startup script has tried > to build an osd for you using ceph-disk (which will make two partitions > by default). So that's toasted the setup that your script did. > > Growl - that's made it more complicated for sure. Hrm, yeah. I think ceph-disk needs to have an option (via ceph.conf) that will avoid creating a journal [partition], and we need to make sure that the journal behavior is all conditional on the journal symlink being present. Do you mind opening a bug for this? It could condition itself off of the osd objectstore option (we'd need to teach ceph-diska bout the varoius backends), or we could add a secondary option (awkware to configure), or we could call into ceph-osd with something like 'ceph-osd -i 0 --does-backend-need-journal' so that a call into the backend code itself can control things. The latter is probably ideal. Opened http://tracker.ceph.com/issues/9580 and copying ceph-devel sage
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