1. A computer system for providing one or more sessions of a block-based protocol, comprising: a plurality of storage systems configured for organization in a cluster, wherein at least one storage system of the plurality of storage systems is configured to execute a storage operating system and the at least one storage system includes one or more network elements connected to one or more storage device elements, and wherein the plurality of storage systems is configured to support the one or more sessions of the protocol to an initiator; a centralized database operatively interconnected to the plurality of storage systems and configured to store logical unit number configuration information of the plurality of storage systems, wherein the database is further configured to alert each of the plurality of storage systems of the logical unit number configuration information, and wherein each of the storage systems includes an N-module configured to share the logical unit number configuration information with each of the plurality of storage systems; and the plurality of storage systems further configured to locally cache the shared logical unit number configuration information.