Description of configuration options for quota

Configuration option=Default value	Description
max_age=0	(IntOpt) number of seconds between subsequent usage refreshes
quota_driver=cinder.quota.DbQuotaDriver	(StrOpt) default driver to use for quota checks
quota_gigabytes=1000	(IntOpt) number of volume gigabytes (snapshots are also included) allowed per project
quota_snapshots=10	(IntOpt) number of volume snapshots allowed per project
quota_volumes=10	(IntOpt) number of volumes allowed per project
reservation_expire=86400	(IntOpt) number of seconds until a reservation expires
use_default_quota_class=True	(BoolOpt) whether to use default quota class for default quota