Adaptec 412R User Guide - Page 35
Basic Stand-Alone Dual-Port Topology – DuraStor7320SS Only, Appendix B,
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DuraStor 412R/6320SS/7320SS Installation and User's Guide Basic Stand-Alone Dual-Port Topology - DuraStor 7320SS Only Choose a stand-alone dual-port topology when your application requires a low-cost, entry-level, fault-tolerant disk storage solution. This solution provides a single controller configuration that supports dual-ported access with the internal hubs disabled. It is ideal in a host direct-attached application or SAN environments when connected to an external switch or hub. See Appendix B, SAN Solution Strategies (DuraStor 7320SS only). Note: Other stand-alone dual port topologies are described in Appendix C, Advanced Configurations and Cabling. CH 1 CH 2 Connect the fibre channel data cables as shown in Figure 2-25 and Figure 2-26. Host System #1 HBA 1 Controller FC Host Ports HOST I/O P1 RAID Controller FC1 Active T Disk CH1 P2 FC2 Active Disk CH2 T T Disk CH0 P4 Disk P3 CH3 Controller 1 T T= Location of internal termination Drive I/O Connectors Drives 7 - 12 Drives 1 - 6 T SEP T SEP SAF-TE Disk I/O T T Host I/O Connectors Controller Disk Ports I/O Card Figure 2-25 Logical Diagram - Single Host, Single HBA, Hubs Disabled CH 0 CH 3 FC HBA 1 Host Computer #1 Power Power Supply Supply Cooling Fans Fibre Channel Data Cable Connect to P3 SAFTE Disk I/O Chl 1 Chl 2 SCSI Disk I/O Chl 0 Chl 3 Host I/O P1 P2 P4 P3 RAID Controller Ctlr 1 SAF-TE Ctlr 2 Figure 2-26 Host Cabling Diagram - Single Host, Single HBA, Hubs Disabled 2-22