1. A method, comprising: maintaining a plurality of data arrays coupled to a plurality of nodes via a plurality of adapters; discovering, via the plurality of adapters, the plurality of data arrays during startup, and communicating information about the plurality of data arrays to corresponding local nodes of the plurality of nodes, wherein the local nodes broadcast the information to other nodes of plurality of nodes; and determining based on the broadcasted information, by a director node of the plurality of nodes, which data arrays of the plurality of data arrays are a current set of global metadata arrays.