The following figures show a subset of the supported configurations for Oracle ZFS Storage 7420 clustered controllers with two HBAs. To cable the controller to the disk shelves, see Getting Started with Cabling.
Figure 415 Clustered 7420 controllers with two HBAs connected to one Sun Disk Shelf in a single chain
Figure 416 Clustered 7420 controllers with two HBAs connected to two Sun Disk Shelves in two chains
Figure 417 Clustered 7420 controllers with two HBAs connected to four Sun Disk Shelves in two chains
Figure 418 Clustered 7420 controllers with two HBAs connected to 12 Sun Disk Shelves in two chains