[ceph_deploy.cli][INFO  ] Invoked (1.3.2): /usr/bin/ceph-deploy osd create ack-datastore-lnx001:sdb:/dev/sdb1
[ceph_deploy.osd][DEBUG ] Preparing cluster ceph disks ack-datastore-lnx001:/dev/sdb:/dev/sdb1
[ack-datastore-lnx001][DEBUG ] connected to host: ack-datastore-lnx001
[ack-datastore-lnx001][DEBUG ] detect platform information from remote host
[ack-datastore-lnx001][DEBUG ] detect machine type
[ceph_deploy.osd][INFO  ] Distro info: Ubuntu 12.04 precise
[ceph_deploy.osd][DEBUG ] Deploying osd to ack-datastore-lnx001
[ack-datastore-lnx001][DEBUG ] write cluster configuration to /etc/ceph/{cluster}.conf
[ack-datastore-lnx001][INFO  ] Running command: sudo udevadm trigger --subsystem-match=block --action=add
[ceph_deploy.osd][DEBUG ] Preparing host ack-datastore-lnx001 disk /dev/sdb journal /dev/sdb1 activate True
[ack-datastore-lnx001][INFO  ] Running command: sudo ceph-disk-prepare --fs-type xfs --cluster ceph -- /dev/sdb /dev/sdb1
[ack-datastore-lnx001][ERROR ] WARNING:ceph-disk:OSD will not be hot-swappable if journal is not the same device as the osd data
[ack-datastore-lnx001][DEBUG ] Information: Moved requested sector from 34 to 2048 in
[ack-datastore-lnx001][DEBUG ] order to align on 2048-sector boundaries.
[ack-datastore-lnx001][DEBUG ] The operation has completed successfully.
[ack-datastore-lnx001][DEBUG ] meta-data=/dev/sdb1              isize=2048   agcount=4, agsize=122060735 blks
[ack-datastore-lnx001][DEBUG ]          =                       sectsz=512   attr=2, projid32bit=0
[ack-datastore-lnx001][DEBUG ] data     =                       bsize=4096   blocks=488242939, imaxpct=5
[ack-datastore-lnx001][DEBUG ]          =                       sunit=0      swidth=0 blks
[ack-datastore-lnx001][DEBUG ] naming   =version 2              bsize=4096   ascii-ci=0
[ack-datastore-lnx001][DEBUG ] log      =internal log           bsize=4096   blocks=238399, version=2
[ack-datastore-lnx001][DEBUG ]          =                       sectsz=512   sunit=0 blks, lazy-count=1
[ack-datastore-lnx001][DEBUG ] realtime =none                   extsz=4096   blocks=0, rtextents=0
[ack-datastore-lnx001][DEBUG ] The operation has completed successfully.
[ack-datastore-lnx001][INFO  ] Running command: sudo udevadm trigger --subsystem-match=block --action=add
[ceph_deploy.osd][DEBUG ] Host ack-datastore-lnx001 is now ready for osd use.