IBM DS3500 - Dual-Controller Direct-Attached SAS Connection; Single-Controller Direct-Attached SAS Connection to Single Hbas in Multiple Hosts

Direct-attached dual-controller connections:
The following illustration shows a direct-attached SAS connection from each
controller to a single HBA in the same host (redundant host connection).
The following illustration shows multiple redundant direct-attached SAS host
connections. This configuration is also the configuration to use for a dual-node
host configuration.
Host system
with single host
adapter
DS3500
Host system
with single host
adapter
Figure 48. Single-controller direct-attached SAS connection to single HBAs in multiple hosts
Host system
with dual host
adapters
DS3500
dg1fy403
Figure 49. Dual-controller direct-attached SAS connection to two HBAs in the same host
(redundant host connection)
Chapter 3. Cabling the storage subsystem and storage enclosure 61