ZFS driver for Cinder. Currently works with ZoL (ZFS on Linux)
https://github.com/zfsonlinux/zfs/wiki/RHEL-and-CentOS
zpool create cinder-zfs /dev/sdb
[DEFAULT]
enabled_backends=zfs
[zfs]
volume_backend_name=zfs
volume_driver=cinder.volume.drivers.zfs.ZFSVolumeDriver
iscsi_helper=tgtadm
zfs_zpool=cinder-zfs
zfs_type=thin