Found it (digging through the source code to find a guess, since it is in no way obvious): --osd-uuid <uuid> On Tue, Aug 21, 2012 at 4:38 PM, Mandell Degerness <mandell@xxxxxxxxxxxxxxx> wrote: > Thanks, Sage. This is what I was looking for, but what version of > ceph do I need for this to work (it isn't there in Argonaut)? See > below: > > # ceph-osd -c /etc/ceph/ceph.conf --fsid > 8296cc23-9c11-44d7-84c1-16866ef9c4f7 -i 50 --mkfs --osd-fsid > e1097bd8-c931-4e2e-8ccb-332a954adace > --conf/-c Read configuration from the given configuration file > -d Run in foreground, log to stderr. > -f Run in foreground, log to usual location. > --id/-i set ID portion of my name > --name/-n set name (TYPE.ID) > --version show version and quit > > --debug_ms N > set message debug level (e.g. 1) > 2012-08-21 23:26:50.774858 7f1be9ac1780 -1 unrecognized arg --osd-fsid > 2012-08-21 23:26:50.774864 7f1be9ac1780 -1 usage: ceph-osd -i osdid > [--osd-data=path] [--osd-journal=path] [--mkfs] [--mkjournal] > [--convert-filestore] > 2012-08-21 23:26:50.774915 7f1be9ac1780 -1 --debug_osd N set > debug level (e.g. 10) > > # ceph --version > ceph version 0.48.1argonaut (commit:a7ad701b9bd479f20429f19e6fea7373ca6bba7c) > > Tommi - Thank you for the suggestion of ceph-disk-prepare and > ceph-disk-activate, but they work at too high of a level for our > usage. We need finer control of the block devices. > > Regards, > Mandell Degerness > > On Tue, Aug 21, 2012 at 11:15 AM, Sage Weil <sage@xxxxxxxxxxx> wrote: >> On Tue, 21 Aug 2012, Mandell Degerness wrote: >>> OK. I think I'm getting there. >>> >>> I want to be able to generate the fsid to be used in the OSD (from the >>> file system fsid, if that matters). Is there a way to inject the fsid >>> when initializing the OSD directory? It doesn't seem to be >>> documented. The alternative would require that we mount the OSD in a >>> temp dir to read the fsid file, determine the OSD number, and then >>> re-mount it where it belongs, which seems the wrong way to go. >> >> You can feed in the fsid to ceph-osd --mkfs with --osd-fsid <uuid>. >> >> sage >> >>> >>> Regards, >>> Mandell Degerness >>> >>> On Mon, Aug 20, 2012 at 4:26 PM, Tommi Virtanen <tv@xxxxxxxxxxx> wrote: >>> > On Mon, Aug 20, 2012 at 3:53 PM, Mandell Degerness >>> > <mandell@xxxxxxxxxxxxxxx> wrote: >>> >> We're running Argonaut and it only has the OSD id in the whoami file >>> >> and nothing else. >>> > >>> > My bad, I meant the file "fsid" (note, not "ceph_fsid"). >>> -- >>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> >>> -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html