What is the designated link used to ensure high availability within the cluster network?

The designated link used to ensure high availability within a cluster network is the Cluster Interconnect. This link is specifically designed to facilitate the communication between different nodes in the cluster. It plays a critical role in providing redundancy and fault tolerance by enabling nodes to share data and manage resources effectively.

When a failure occurs in one of the nodes or if there is a disruption in communication, the Cluster Interconnect allows the remaining nodes to take over the responsibilities of the failed components, thus ensuring continuous availability of services.

Other networks such as the Data Network and Management Network serve different functionalities. The Data Network is primarily used for data traffic between clients and the storage system, while the Management Network is utilized for administrative tasks and monitoring. Inter-Switch Links, while important in certain contexts, do not directly provide the high availability that the Cluster Interconnect does within a cluster.