chown ceph:ceph /var/lib/ceph /var/lib/ceph/* && find /var/lib/ceph/osd -maxdepth 1 -mindepth 1 -print | xargs -P12 -n1 -I '{}' bash -c 'echo "starting run on osd.$(cat {}/whoami)"; service ceph-osd stop id=$(cat {}/whoami); time chown -R ceph:ceph {} && service ceph-osd restart id=$(cat {}/whoami); echo "done with osd.$(cat {}/whoami)";'
Same note of course.. all of the non-osd dirs in /var/lib/ceph need to be handled separately. Also keep an eye out for downed OSDs after the run completes. If the chown does not return success then the script above will not start the OSD.
I’m currently upgrading to Infernalis and the chown stage is taking a log time on my OSD nodes. I’ve come up with this little one liner to run the chown’s in parallel
find /var/lib/ceph/osd -maxdepth 1 -mindepth 1 -print | xargs -P12 -n1 chown -R ceph:ceph
NOTE: You still need to make sure the other directory’s in the /var/lib/ceph folder are updated separately but this should speed up the process for machines with larger number of disks.
Nick
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