Compaq ProLiant 6500 Compaq Parallel Database Cluster Model PDC/O1000 for Orac - Page 29
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2-6 Compaq Parallel Database Cluster Model PDC/O1000 for Oracle8i and Windows 2000 Administrator Guide For further information, refer to these manuals provided with the Fibre Channel SAN Switch: I Compaq StorageWorks Fibre Channel SAN Switch 8 Installation and Hardware Guide I Compaq StorageWorks Fibre Channel SAN Switch 16 Installation and Hardware Guide I Compaq StorageWorks Fibre Channel SAN Switch Management Guide provided with the Fibre Channel SAN Switch Storage Hub One Storage Hub can be installed between cluster nodes and shared storage arrays in a PDC/O1000 cluster to create a non-redundant Fibre Channel Arbitrated Loop (FC-AL). The Storage Hub is one method for connecting one Fibre Host Adapter in each node with the array controller in the RA4000/RA4100 Array. The Fibre Host Adapter in each node, the Storage Hub, and the RA4000/RA41000 Arrays to which they are connected belong to the same non-redundant FC-AL. On the Storage Hub, one port is used by a Fibre Host Adapter in each node and one port is used to connect to the array controller in each RA4000/RA4100 Array. The PDC/O1000 allows the use of either the Storage Hub 7 (with 7 ports) or the Storage Hub 12 (with 12 ports). Using the Storage Hub 7 limits the total number of nodes and RA4000/RA4100 Arrays you can install in a non-redundant. For example, a non-redundant FC-AL with four Fibre Host Adapters and four or more RA4000/RA4100 Arrays requires a Storage Hub with at least 8 ports (a Storage Hub 12). In your selection of a Storage Hub, you should also consider the likelihood of cluster growth. Refer to the Compaq StorageWorks Fibre Channel Storage Hub 7 Installation Guide and the Compaq StorageWorks Fibre Channel Storage Hub 12 Installation Guide for further information about these products.