Direct-attached dual-controller connections: The following illustration shows a
direct-attached connection from each controller to a single HBA in the same host
(redundant host connection).
The following illustration shows multiple redundant direct-attached host connections.
Host system
with dual host
adapters
DS3500
Figure 52. Dual-controller direct-attached Fibre Channel connection to two HBAs in the same
host (redundant host connection)
56 System Storage DS3500 and EXP3500: Installation, User’s, and Maintenance Guide