
This patch enables Active/Active support in NetApp ISCSI/FC drivers. To support replication in A/A mode, the method failover_host was splitted in two phases (failover and failover_completed) as required by the spec [1]. [1] https://specs.openstack.org/openstack/cinder-specs/specs/ocata/ha-aa-replication.html Change-Id: I4e38d592abf1d36dedda97a17710746b4037c779