Refer to the diagrams in this section to upgrade a system with DE2-24 disk shelves by introducing one or more DE3-24 disk shelves. In the following diagrams, the DE2-24 disk shelves have three I/O Module ports, while the DE3-24 disk shelves have four ports. See Cabinet and Cabling Guidelines for disk shelf intermixing guidelines.
Figure 453 Clustered ZS5-4 controllers with two HBAs connected to one DE3-24 and three DE2-24 in two chains
Figure 454 Clustered ZS5-4 controllers with three HBAs connected to one DE3-24 and six DE2-24 in three chains
Figure 455 Clustered ZS5-4 controllers with four HBAs connected to two DE3-24 and six DE2-24 in four chains