openstack-daocloud-portworx driver nova-compute 负责产生实例 /nova/virt/libvirt/driver.py /nova/virt/libvirt/volume/portworx.py cinder-volume 负责除产生实例外其他卷相关操作 /cinder/volume/drivers/daocloud/* os-brick 挂卷与解挂卷的util /os_brick/initiator/connector.py /os_brick/initiator/connectors/portworx.py