Ceph

Hi ,
when do mkcephfs ,if it doesn't create osdN directory manually, then ,mkcephfs fail.
1. ceph 0.26 + btrfs +ubuntu 10.04 x86_64 + ceph.conf (attached);
2. mkcephfs -c /etc/ceph/ceph.conf -a -v -k adminkeyring

3.logs:

root@ubuntu-mon0:/etc/ceph# mkcephfs -c /etc/ceph/ceph.conf -a -v -k adminkeyring
temp dir is /tmp/mkcephfs.bfucWGAKhm
preparing monmap in /tmp/mkcephfs.bfucWGAKhm/monmap
/usr/bin/monmaptool --create --clobber --add 0 172.16.35.10:6789 --add 1 172.16.35.10:6790 --add 2 172.16.35.10:6791 --print /tmp/mkcephfs.bfucWGAKhm/monmap
/usr/bin/monmaptool: monmap file /tmp/mkcephfs.bfucWGAKhm/monmap
/usr/bin/monmaptool: generated fsid be1fd1b7-e585-bcd9-7ada-c078540f67ae
epoch 1
fsid be1fd1b7-e585-bcd9-7ada-c078540f67ae
last_changed 2011-04-19 13:44:52.532136
created 2011-04-19 13:44:52.532136
0: 172.16.35.10:6789/0 mon.0
1: 172.16.35.10:6790/0 mon.1
2: 172.16.35.10:6791/0 mon.2
/usr/bin/monmaptool: writing epoch 1 to /tmp/mkcephfs.bfucWGAKhm/monmap (3 monitors)
/usr/bin/cconf -c /etc/ceph/ceph.conf -n osd.0 "user"
/usr/bin/cconf -c /etc/ceph/ceph.conf -n osd.0 "ssh path" === osd.0 ===
pushing conf and monmap to ubuntu-osd0
--- ssh ubuntu-osd0 "cd /etc/ceph ; ulimit c unlimited ; mkdir -p /tmp/mkcephfs.bfucWGAKhm"
-- ssh ubuntu-osd0 "cd /etc/ceph ; ulimit -c unlimited ; /sbin/mkcephfs -d /tmp/mkcephfs.bfucWGAKhm --init-daemon osd.0" * WARNING: Ceph is still under heavy development, and is only suitable for * * testing and review. Do not trust it with important data. *
2011-04-19 22:43:04.537607 7fa4cbe50720 ** ERROR: error creating empty object store in /mnt/data/osd0/osd0: error 2: No such file or directory
failed: 'ssh ubuntu-osd0 /sbin/mkcephfs -d /tmp/mkcephfs.bfucWGAKhm --init-daemon osd.0'
root@ubuntu-mon0:/etc/ceph#

Jeff Wu.