Hi Sylvain, On 02/07/2014 11:13, Sylvain Munaut wrote: > Ah, I finally fond something that looks like an error message : > > 2014-07-02 11:07:57.817269 7f0692e3a700 7 mon.a at 0(leader).osd e1147 > preprocess_boot from osd.3 10.192.2.70:6807/9702 clashes with existing > osd: different fsid (ours: e44c914a-23e9-4756-9713-166de401dec6 ; > theirs: c1cfff2f-4f2e-4c1d-a947-24bbc6f122ca) > > Not really sure how to fix it though. By restoring the fsid file from the back, presumably. I did not think of that when you showed the ceph-osd mkfs line, but it makes sense. This is not the ceph fsid. root at bm0015:/var/lib/ceph/osd/ceph-1# cat ceph_fsid 571bb920-6d85-44d7-9eca-1bc114d1cd75 root at bm0015:/var/lib/ceph/osd/ceph-1# cat fsid 085a821e-b487-41ef-87ed-dfc6af097a44 root at bm0015:/var/lib/ceph/osd/ceph-1# grep fsid /etc/ceph/ceph.conf fsid = 571bb920-6d85-44d7-9eca-1bc114d1cd75 root at bm0015:/var/lib/ceph/osd/ceph-1# Cheers > > > Cheers, > > Sylvain > -- Lo?c Dachary, Artisan Logiciel Libre -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 263 bytes Desc: OpenPGP digital signature URL: <http://lists.ceph.com/pipermail/ceph-users-ceph.com/attachments/20140702/b354339a/attachment.pgp>