Description of GlusterFS storage configuration options

Configuration option = Default value	Description
[DEFAULT]
glusterfs_backup_mount_point = $state_path/backup_mount	(StrOpt) Base dir containing mount point for gluster share.
glusterfs_backup_share = None	(StrOpt) GlusterFS share in <hostname|ipv4addr|ipv6addr>:<gluster_vol_name> format. Eg: 1.2.3.4:backup_vol
glusterfs_mount_point_base = $state_path/mnt	(StrOpt) Base dir containing mount points for gluster shares.
glusterfs_shares_config = /etc/cinder/glusterfs_shares	(StrOpt) File with the list of available gluster shares
nas_volume_prov_type = thin	(StrOpt) Provisioning type that will be used when creating volumes.