Description of configuration options for backups

Configuration option=Default value	(Type) Description
backup_api_class=cinder.backup.api.API	(StrOpt) The full class name of the volume backup API class
backup_ceph_chunk_size=134217728	(IntOpt) the chunk size in bytes that a backup will be broken into before transfer to backup store
backup_ceph_conf=/etc/ceph/ceph.conf	(StrOpt) Ceph config file to use.
backup_ceph_pool=backups	(StrOpt) the Ceph pool to backup to
backup_ceph_stripe_count=0	(IntOpt) RBD stripe count to use when creating a backup image
backup_ceph_stripe_unit=0	(IntOpt) RBD stripe unit to use when creating a backup image
backup_ceph_user=cinder	(StrOpt) the Ceph user to connect with
backup_driver=cinder.backup.drivers.swift	(StrOpt) Driver to use for backups.
backup_manager=cinder.backup.manager.BackupManager	(StrOpt) full class name for the Manager for volume backup
backup_name_template=backup-%s	(StrOpt) Template string to be used to generate backup names
backup_topic=cinder-backup	(StrOpt) the topic volume backup nodes listen on