The following figures show a subset of the supported configurations for Oracle ZFS Storage 7420 standalone controllers with two HBAs. To cable the controller to the disk shelves, see Getting Started with Cabling.
Figure 414 Standalone 7420 controller with two HBAs connected to one Sun Disk Shelf in a single chain
Figure 415 Standalone 7420 controller with two HBAs connected to two Sun Disk Shelves in two chains
Figure 416 Standalone 7420 controller with two HBAs connected to four Sun Disk Shelves in two chains
Figure 417 Standalone 7420 controller with two HBAs connected to 12 Sun Disk Shelves in two chains