3.7.0 HP StorageWorks HP Scalable NAS File Serving Software administration guide - HP Scalable NAS 3.7 for Linux (AG513-96002, October 2009)

Dual FC ports, dual FC switches, dual FC fabrics
This example is similar to the previous example, but also includes dual FC fabrics,
with a cluster-managed FC switch in each fabric. If one of the fabrics should fail, the
servers can access the storage via the other fabric.
HP Scalable NAS File Serving Software administration guide 39