11. A method comprising: with a data storage system comprising a plurality of storage arrays, each storage array comprising a plurality of tangible data storage devices and a plurality of computing nodes, each computing node comprising at least one processor and a cache: presenting at least one production volume to a host application, the production volume being backed by the tangible data storage devices, the tangible data storage devices being organized as a storage resource pool, and resources of the storage resource pool being organized as a plurality of storage groups; and calculating a single value health score for each of the storage arrays as a function of a logical component score comprising a score for each storage group.
11. A method comprising: with a data storage system comprising a plurality of storage arrays, each storage array comprising a plurality of tangible data storage devices and a plurality of computing nodes, each computing node comprising at least one processor and a cache: presenting at least one production volume to a host application, the production volume being backed by the tangible data storage devices, the tangible data storage devices being organized as a storage resource pool, and resources of the storage resource pool being organized as a plurality of storage groups; and calculating a single value health score for each of the storage arrays as a function of a logical component score comprising a score for each storage group. 12. The method of claim 11 comprising calculating each storage array health score as a function of a physical component score and the logical component score.