Adaptec 412R User Guide - Page 37

CH 1 CH 2 DuraStor 412R/6320SS/7320SS Installation and User's Guide Basic Active-Active Dual-Port Topology Choose this topology when your application requires a highperformance, robust, full system-level fault-tolerant disk storage solution. This dual controller configuration supports multiple hosts and failover and failback operations. All LUNs are available to all hosts. Connect the fibre channel data cables as shown in Figure 2-29 and Figure 2-30. Host System #1 HBA #2 Host System #2 HBA #1 Host System #2 HBA #2 Host System #1 HBA #1 Host I/O P1 P2 P4 P3 RAID Controller HUB FC1 Active Disk CH1 HUB FC2 Active Disk CH2 Disk CH0 Disk CH3 Controller 1 RAID Controller Drives 7 - 12 Drives 1 - 6 SEP Termination SEP SAF-TE Disk I/O Termination Host I/O Connectors FC1 Active FC2 Active Disk CH1 Termination Disk CH2 Termination Disk CH0 Termination Disk CH3 Controller 2 Termination I/O Card Figure 2-29 Logical Diagram - Dual Host, Dual HBAs, Hubs Enabled CH 0 CH 3 Figure 2-30 Host Cabling Diagram - Dual Host, Dual HBAs, Hubs Enabled 2-24