HP 6400/8400 - Failback preference setting for HSV controllers

Figure 26 EVA8400 2C18D configuration
.
In an EVA8400 2C18D configuration, the disk enclosures are balanced above and below the
controllers and there are six disk enclosures per loop. In the EVA8400 0C9D expansion rack, there
are three disk enclosures per loop. Figure 27 shows the loop 1 connections between the main rack
and expansion rack.
HP StorageWorks 6400/8400 Enterprise Virtual Array expansion rack reference guide 37