Description of configuration options for storage_nexenta_iscsi

Configuration option=Default value	Description
nexenta_blocksize=	(StrOpt) block size for volumes (blank=default,8KB)
nexenta_host=	(StrOpt) IP address of Nexenta SA
nexenta_iscsi_target_portal_port=3260	(IntOpt) Nexenta target portal port
nexenta_password=nexenta	(StrOpt) Password to connect to Nexenta SA
nexenta_rest_port=2000	(IntOpt) HTTP port to connect to Nexenta REST API server
nexenta_rest_protocol=auto	(StrOpt) Use http or https for REST connection (default auto)
nexenta_sparse=False	(BoolOpt) flag to create sparse volumes
nexenta_target_group_prefix=cinder/	(StrOpt) prefix for iSCSI target groups on SA
nexenta_target_prefix=iqn.1986-03.com.sun:02:cinder-	(StrOpt) IQN prefix for iSCSI targets
nexenta_user=admin	(StrOpt) User name to connect to Nexenta SA
nexenta_volume=cinder	(StrOpt) pool on SA that will hold all volumes