Compaq ProLiant 6400R Compaq Parallel Database Cluster Model PDC/05000 for Ora - Page 82
See subsystem. This configuration ensures that the host adapters can still access
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4-8 Compaq Parallel Database Cluster Model PDC/O5000 for Oracle8i and Windows 2000 Administrator Guide Figure 4-1 shows the correct method for cabling the I/O path components for dual redundancy in a redundant Fibre Channel Fabric. In Figure 4-1, both Fibre Channel SAN Switches connect to port 1 on one array controller and to port 2 on the other array controller in each storage subsystem. If one Fibre Channel SAN Switch fails, the other switch still has access to port 1 on one array controller and port 2 on the other array controller in each storage subsystem. This configuration ensures that the host adapters can still access the full range of LUNs. Host Adapters (2) Node 1 Fibre Channel SAN Switch # 1 Host Adapters (2) Node 2 Fibre Channel SAN Switch # 2 A P1 P2 B P1 P2 Storage Subsystem #1 A P1 P2 B P1 P2 Storage Subsystem #2 Figure 4-1. Dual redundancy configuration for a redundant Fibre Channel Fabric See Chapter 2, "Cluster Architecture," for more details on how to configure Fibre Channel Fabrics for dual redundancy.