Adaptec 412R User Guide - Page 32
Active-Active Single-Port: Host Cabling
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Setting Up Your Storage Subsystem Active-Active Single-Port: Host Cabling Choose this topology when your application requires a highperformance, robust, full system-level fault-tolerant disk storage solution and transparent controller failover/failback. This dual controller configuration supports a host with a single-port HBA and is ideal when the host driver software does not support LUNs that appear twice. Note: This configuration requires you to have two 6200S RAID controllers installed in the storage subsystem. Connect the SCSI data cables as shown in Figure 2-21 and Figure 2-22. Host System #1 HBA #1 Termination Termination Termination Termination Termination Figure 2-21 Logical Diagram - Active-Active Single-Port Power Power Supply Supply Cooling Fans Figure 2-22 Host Cabling Diagram - Single Host, Single HBA 2-19