The following figures show a subset of the supported configurations for Oracle ZFS Storage 7420 standalone controllers with four HBAs. To cable the controller to the disk shelves, see Getting Started with Cabling.
Figure 263 Standalone 7420 controller with four HBAs connected to one DE2-24 disk shelf in a single chain

Figure 264 Standalone 7420 controller with four HBAs connected to two DE2-24 disk shelves in two chains

Figure 265 Standalone 7420 controller with four HBAs connected to three DE2-24 disk shelves in three chains

Figure 266 Standalone 7420 controller with four HBAs connected to four DE2-24 disk shelves in four chains

Figure 267 Standalone 7420 controller with four HBAs connected to five DE2-24 disk shelves in five chains

Figure 268 Standalone 7420 controller with four HBAs connected to six DE2-24 disk shelves in six chains

Figure 269 Standalone 7420 controller with four HBAs connected to seven DE2-24 disk shelves in seven chains

Figure 270 Standalone 7420 controller with four HBAs connected to eight DE2-24 disk shelves in eight chains

Figure 271 Standalone 7420 controller with four HBAs connected to multiple DE2-24 disk shelves in eight chains

Figure 272 Multiple disk shelves in a single chain
