Hi,
I want to use Ceph inside Amazon EC2. Therefore I compiled and installed ceph-0.20.tar.gz and ceph-kclient-0.20.tar.gz
3 Ubuntu-Instances are running.
2 are Servers and one shall be the Client.
Server 1 => mon, mds, osd
Server 2 => osd
This is my /etc/ceph/ceph.conf at server 1 and server 2:
[global]
pid file = /var/run/ceph/$name.pid
debug ms = 1
[mon]
mon data = /srv/ceph/mon
[mon0]
host = ip-10-243-150-209
mon addr = 10.243.150.209:6789
[mds]
keyring = /data/keyring.$name
[mds0]
host = ip-10-243-150-209
[osd]
sudo = true
osd data = /data/osd$id
[osd1]
host = ip-10-243-150-209
btrfs devs = /dev/sdc
[osd2]
host = ip-10-212-118-67
btrfs devs = /dev/sdc
The compilation worked without problems but now I have the problem that I cannot create the filesystem.
# mkcephfs -c /etc/ceph/ceph.conf --allhosts --mkbtrfs
/usr/local/bin/monmaptool --create --clobber --add 10.243.150.209:6789 --print /tmp/monmap.19567
/usr/local/bin/monmaptool: monmap file /tmp/monmap.19567
/usr/local/bin/monmaptool: generated fsid 7b562e4d-25d1-54e6-ad33-a4b51d80a8b7
epoch 1
fsid 7b562e4d-25d1-54e6-ad33-a4b51d80a8b7
last_changed 10.07.03 20:12:13.389729
created 10.07.03 20:12:13.389729
mon0 10.243.150.209:6789/0
/usr/local/bin/monmaptool: writing epoch 1 to /tmp/monmap.19567 (1 monitors)
max osd in /etc/ceph/ceph.conf is 2, num osd is 3
/usr/local/bin/osdmaptool: osdmap file '/tmp/osdmap.19567'
/usr/local/bin/osdmaptool: writing epoch 1 to /tmp/osdmap.19567
Building admin keyring at /tmp/admin.keyring.19567
creating /tmp/admin.keyring.19567
Building monitor keyring with all service keys
creating /tmp/monkeyring.19567
importing contents of /tmp/admin.keyring.19567 into /tmp/monkeyring.19567
creating /tmp/keyring.mds.0
importing contents of /tmp/keyring.mds.0 into /tmp/monkeyring.19567
creating /tmp/keyring.osd.1
importing contents of /tmp/keyring.osd.1 into /tmp/monkeyring.19567
creating /tmp/keyring.osd.2
importing contents of /tmp/keyring.osd.2 into /tmp/monkeyring.19567
=== mon0 ===
10.07.03 20:12:13.627255 b74236d0 store(/srv/ceph/mon) mkfs
10.07.03 20:12:13.627348 b74236d0 store(/srv/ceph/mon) test -d /srv/ceph/mon && /bin/rm -rf /srv/ceph/mon ; mkdir -p /srv/ceph/mon
10.07.03 20:12:13.636152 b74236d0 mon0(starting).class v0 create_initial -- creating initial map
10.07.03 20:12:13.637668 b74236d0 mon0(starting).auth v0 create_initial -- creating initial map
10.07.03 20:12:13.637678 b74236d0 mon0(starting).auth v0 reading initial keyring
/usr/local/bin/mkmonfs: created monfs at /srv/ceph/mon for mon0
`/tmp/admin.keyring.19567' -> `/srv/ceph/mon/admin_keyring.bin'
=== mds0 ===
`/tmp/keyring.mds.0' -> `/data/keyring.mds.0'
=== osd1 ===
umount: /dev/sdc: not mounted
WARNING! - Btrfs Btrfs v0.19 IS EXPERIMENTAL
WARNING! - see http://btrfs.wiki.kernel.org before using
fs created label (null) on /dev/sdc
nodesize 4096 leafsize 4096 sectorsize 4096 size 10.00GB
Btrfs Btrfs v0.19
Scanning for Btrfs filesystems
** WARNING: Ceph is still under heavy development, and is only suitable for **
** testing and review. Do not trust it with important data. **
** WARNING: No osd journal is configured: write latency may be high.
If you will not be using an osd journal, write latency may be
relatively high. It can be reduced somewhat by lowering
filestore_max_sync_interval, but lower values mean lower write
throughput, especially with spinning disks.
created object store for osd1 fsid 7b562e4d-25d1-54e6-ad33-a4b51d80a8b7 on /data/osd1
WARNING: no keyring specified for osd1
=== osd2 ===
lost connection
lost connection
Permission denied (publickey).
failed: 'ssh ip-10-212-118-67 test -d /data/osd2 || mkdir -p /data/osd2'
I tried to enable the login without password like described here:
http://ceph.newdream.net/wiki/Creating_a_new_file_system
But Ubuntu does not allow to login as root.
# ssh root@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Permission denied (publickey).
Any ideas what I can do here to get it working?
Best Regards,
Christian
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