This took a little head scratching until I figured out why my osd
daemons were not restarting under Infernalis on Gentoo.
I had just upgraded from Hammer to Infernalis and had reset ownership
from root:root to ceph:ceph on the files of each OSD in
/var/lib/ceph/osd/ceph-n. However I forgot to take into account the
ownership on the journals which I have set up as raw partitions. Under
Gentoo, I needed to put the ceph user into the "disk" group to allow it
to have write access to the device files.
The osd startup init script started the osd with ok status but the
actual process would exit without writing anything to its
/var/log/ceph/ceph-osd.n.log. I would have thought there might have
been some sort of permission error logged, but nope :-)
Bill Sharer
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