Hi List, i try to recreate osd on ext4 after a crash: node02:/data/ceph_backend# ceph --version ceph version 0.51 (commit:c03ca95d235c9a072dcd8a77ad5274a52e93ae30) node02:/data/ceph_backend# ceph-osd -c /etc/ceph/ceph.conf -i 1 --mkfs --monmap /tmp/monmap --mkkey 2012-08-26 23:43:24.572064 f733e710 -1 filestore(/data/ceph_backend/osd) mkfs: BTRFS_IOC_SUBVOL_CREATE failed with error (22) Invalid argument 2012-08-26 23:43:24.572088 f733e710 -1 OSD::mkfs: FileStore::mkfs failed with error -22 2012-08-26 23:43:24.572104 f733e710 -1 ** ERROR: error creating empty object store in /data/ceph_backend/osd: (22) Invalid argument [global] pid file = /var/run/ceph/$name.pid # debug ms = 1 auth supported = cephx keyring = /etc/ceph/keyring osd journal = /data/ceph_backend/ceph.journal osd_journal_size = 512 filestore journal writeahead = true # filestore journal parallel = true filestore_xattr_use_omap = 1 mds max = 5 filestore btrfs snap = false filestore btrfs trans =false [mon] mon data = /data/ceph_backend/mon [mon.0] host = node01 mon addr = xxx.xxx.xxx.xxx:6789 [mon.1] host =node02 mon addr = xxx.xxx.xxx.xxx:6789 [mon.2] host = node03 mon addr = xxx.xxx.xxx.xxx:6789 [mds] keyring = /etc/ceph/keyring.$name # mds dir max commit size 32 [mds.0] host = node01 [mds.1] host = node02 [osd] sudo = true osd data = /data/ceph_backend/osd keyring = /etc/ceph/keyring.$name [osd.0] host = node01 btrfs devs = osd data = /data/ceph_backend/osd keyring = /etc/ceph/keyring.$name [osd.1] host = node02 btrfs devs = osd data = /data/ceph_backend/osd keyring = /etc/ceph/keyring.$name -- Mit freundlichen Grüßen, Florian Wiessner Smart Weblications GmbH Martinsberger Str. 1 D-95119 Naila fon.: +49 9282 9638 200 fax.: +49 9282 9638 205 24/7: +49 900 144 000 00 - 0,99 EUR/Min* http://www.smart-weblications.de -- Sitz der Gesellschaft: Naila Geschäftsführer: Florian Wiessner HRB-Nr.: HRB 3840 Amtsgericht Hof *aus dem dt. Festnetz, ggf. abweichende Preise aus dem Mobilfunknetz -- 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