Device adapter pair IDs – Models 985, 85E (single-phase power)

Device adapter pair IDs identify either the two device adapter cards in an I/O enclosure, or a pair of storage enclosure RAID controllers.

For FC-AL storage enclosures
A device adapter pair ID identifies the two device adapter cards in the I/O enclosures. The device adapter cards provide redundancy for the FC-AL loops that connect to one or more storage enclosure pairs.
For high-performance flash enclosures
A device adapter pair ID identifies the pair of storage enclosure RAID controllers and their associated interfaces to the I/O enclosures.
Note: For all-flash systems, see Figure 3.
Figure 1. Device adapter pair IDs for storage enclosures (Models 985, 85E single-phase power) (rear view, racks 1 and 2)
Device adapter pair IDs for storage enclosures (Models 985, 85E single-phase power) (rear view, racks 1 and 2)
Figure 2. Device adapter pair IDs for storage enclosures (Models 985, 85E single-phase power) (rear view, racks 3, 4, 5)
Device adapter pair IDs for storage enclosures (Models 985, 85E single-phase power) (rear view, racks 3, 4, 5)
Figure 3. Device adapter pair IDs for storage enclosures (Models 985, 85E all-flash, single-phase power) (rear view, racks 1 and 2)
Device adapter pair IDs for storage enclosures (Models 985, 85E all-flash, single-phase power) (rear view, racks 1 and 2)