Compaq ProLiant 6500 Compaq Parallel Database Cluster Model PDC/05000 for Orac - Page 30

Storage Hub, KGPSABC and KGPSA-CB Host Adapter

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2-6 Compaq Parallel Database Cluster Model PDC/O5000 for Oracle8i and Windows 2000 Administrator Guide For further information, refer to these manuals provided with each 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 Storage Hubs are installed between cluster nodes and shared storage subsystems in clusters to create redundant Fibre Channel Arbitrated Loops. Storage Hubs connect the host adapters in cluster nodes with the HSG80 Array Controllers in MA8000/EMA12000 Storage Subsystems. From two to four Storage Hubs are used in each redundant FC-AL of a PDC/O5000. Using two or more Storage Hubs provides fault tolerance and supports the redundant architecture implemented by the PDC/O5000. You can use either the Storage Hub 7 (with 7 ports) or the Storage Hub 12 (with 12 ports). Using the Storage Hub 7 may limit the size of the PDC/O5000. For more detailed information, refer to Chapter 4, "Cluster Planning," in this guide. 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 the Storage Hubs. KGPSA-BC and KGPSA-CB Host Adapter Each redundant Fibre Channel Fabric or redundant FC-AL contains a dedicated set of KGPSA-BC or KGPSA-CB Host Adapters in every cluster node. Each host adapter in a node should be connected to a different Fibre Channel SAN Switch or Storage Hub. If the cluster contains multiple redundant Fibre Channel Fabrics or multiple redundant FC-ALs, then host adapters cannot be shared between them. Each redundant Fibre Channel Fabric or redundant FC-AL must have its own set of host adapters installed in each cluster node.

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2-6
Compaq Parallel Database Cluster Model PDC/O5000 for Oracle8i and Windows 2000 Administrator Guide
For further information, refer to these manuals provided with each Fibre
Channel SAN Switch:
■
Compaq StorageWorks Fibre Channel SAN Switch 8 Installation and
Hardware Guide
■
Compaq StorageWorks Fibre Channel SAN Switch 16 Installation and
Hardware Guide
■
Compaq StorageWorks Fibre Channel SAN Switch Management Guide
provided with the Fibre Channel SAN Switch
Storage Hub
Storage Hubs are installed between cluster nodes and shared storage
subsystems in clusters to create redundant Fibre Channel Arbitrated Loops.
Storage Hubs connect the host adapters in cluster nodes with the HSG80 Array
Controllers in MA8000/EMA12000 Storage Subsystems. From two to four
Storage Hubs are used in each redundant FC-AL of a PDC/O5000. Using two
or more Storage Hubs provides fault tolerance and supports the redundant
architecture implemented by the PDC/O5000.
You can use either the Storage Hub 7 (with 7 ports) or the Storage Hub 12
(with 12 ports). Using the Storage Hub 7 may limit the size of the
PDC/O5000. For more detailed information, refer to Chapter 4,
“
Cluster
Planning,
”
in this guide.
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 the Storage Hubs.
KGPSA-BC and KGPSA-CB Host Adapter
Each redundant Fibre Channel Fabric or redundant FC-AL contains a
dedicated set of KGPSA-BC or KGPSA-CB Host Adapters in every cluster
node. Each host adapter in a node should be connected to a different Fibre
Channel SAN Switch or Storage Hub.
If the cluster contains multiple redundant Fibre Channel Fabrics or multiple
redundant FC-ALs, then host adapters cannot be shared between them. Each
redundant Fibre Channel Fabric or redundant FC-AL must have its own set of
host adapters installed in each cluster node.