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 340 Clustered 7420 controllers with two HBAs connected to one DE2-24 disk shelf in a single chain
Figure 341 Clustered 7420 controllers with two HBAs connected to two DE2-24 disk shelves in two chains
Figure 342 Clustered 7420 controllers with two HBAs connected to four DE2-24 disk shelves in two chains
Figure 343 Clustered 7420 controllers with two HBAs connected to 12 DE2-24 disk shelves in two chains
Figure 344 Multiple disk shelves in a single chain