Zun has many advanced features in addition to the basic management of containers. In this section, we will talk about some of the advanced features present in Zun. There are many other features in progress, such as SRIOV networking, PCIe devices, and so on, which are referred to in the Zun documentation.
Zun supports the attaching of persistent storage to the containers which exist even after the container exits. This storage can be used to store large amounts of data outside the host, which is more reliable if the host goes down. This support is enabled in Zun via Cinder. Users can mount and unmount Cinder volumes to their containers. The users first need to create the volume in Cinder and then provide the volume while creating the container.
