Ceph with Openstack Grizzly
Guide-temp
multi-node Openstack grizzly , ubuntu 12.04 64bit
if you have single disk , recommend to separate OS from the data .
example from:
|sda1 /boot
VG-machine--->|sda2 / LV-root 500gb ext4
to
|sda1 /boot
VG-machine--->|sda2 LV-root 30gb ext4
|sdb /data 470gb xfs