Description of configuration options for storage_glusterfs

Configuration option = Default value	Description
[DEFAULT]
glusterfs_mount_point_base = $state_path/mnt	(StrOpt) Base dir containing mount points for gluster shares.
glusterfs_qcow2_volumes = False	(BoolOpt) Create volumes as QCOW2 files rather than raw files.
glusterfs_shares_config = /etc/cinder/glusterfs_shares	(StrOpt) File with the list of available gluster shares
glusterfs_sparsed_volumes = True	(BoolOpt) Create volumes as sparsed files which take no space.If set to False volume is created as regular file.In such case volume creation takes a lot of time.