IBM DS3500, Installation, User'S, And Maintenance Manual

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The following illustration shows a direct-attached connection to single HBAs in multiple hosts.
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).
Host system
with dual host
adapters
DS3500
Figure 3-42. Single-controller direct-attached Fibre Channel connection to dual HBAs (redundant host connection)
Host system
with single host
adapter
DS3500
Host system
with single host
adapter
Figure 3-43. Single-controller direct-attached Fibre Channel connection to single HBAs in multiple hosts
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System Storage DS3500 and EXP3500: Installation, User's, and Maintenance Guide