Compaq ProLiant 8500 Compaq Parallel Database Cluster Model PDC/05000 for Orac - Page 38
Compaq Parallel Database Cluster Model PDC/O5000 for Oracle8i and Windows 2000 Administrator Guide
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2-14 Compaq Parallel Database Cluster Model PDC/O5000 for Oracle8i and Windows 2000 Administrator Guide A redundant Fibre Channel Fabric consists of from two to four individual fabrics. The number of fabrics present is determined by the number of host adapters installed in the redundant Fibre Channel Fabric: two host adapters create two fabrics and four host adapters create four fabrics. Figure 2-4 shows a two-node PDC/O5000 with a redundant Fibre Channel Fabric that contains four fabrics, one for each host adapter. Host Adapters (2) Host Adapters (2) Node 1 Fibre Channel SAN Switch # 1 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 2-4. Two-node PDC/O5000 with a four-fabric redundant Fibre Channel Fabric Used in conjunction with the I/O path failover capabilities of Compaq Secure Path software, this redundant Fibre Channel Fabric configuration gives cluster resources increased availability and fault tolerance.
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