Description of configuration options for backups

Configuration option=Default value	Description
backup_api_class=cinder.backup.api.API	(StrOpt) The full class name of the volume backup API class
backup_compression_algorithm=zlib	(StrOpt) Compression algorithm (None to disable)
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
snapshot_name_template=snapshot-%s	(StrOpt) Template string to be used to generate snapshot names
snapshot_same_host=True	(BoolOpt) Create volume from snapshot at the host where snapshot resides