Compaq ProLiant 6500 Compaq Parallel Database Cluster Model PDC/O1000 for Orac - Page 157
Verifying Connectivity to a NonRedundant Fibre Channel Arbitrated Loop
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7-12 Compaq Parallel Database Cluster Model PDC/O1000 for Oracle8i and Windows 2000 Administrator Guide Verifying Connectivity to a Non-Redundant Fibre Channel Arbitrated Loop To ensure that all I/O path connections in a non-redundant FC-AL are intact and functioning, verify the following: I For each redundant FC-AL, one Fibre Host Adapter has been installed in the same PCI slot across all servers in the cluster. I Verify that the Fibre Channel cable is installed between the Fibre Host Adapter installed each server and its Storage Hub or FC-AL Switch. Refer to "Cabling the Fibre Host Adapters to the Storage Hub, FC-AL Switch, or Fibre Channel SAN Switch" in Chapter 5, "Installation and Configuration," for cabling guidelines. I Verify that the RA4000 Array Controller in each RA4000/RA4100 Array is connected by Fibre Channel cable to its Storage Hub or FC-AL Switch. Refer to "Cabling the Storage Hub, FC-AL Switch, or Fibre Channel SAN Switch to the RA4000 Array Controllers" in Chapter 5, "Installation and Configuration," for cabling guidelines. Shared Disks in the RA4000/RA4100 Arrays Are Not Recognized By One or More Nodes If it appears that the shared disks in the RA4000/RA4100 Arrays are not properly recognized by one or more nodes, do the following: I You may not have waited long enough to view the most up-to-date information. Wait a minute, then retry. I Restart the affected node or nodes. I Make sure that the Compaq StorageWorks Fibre Channel Host Adapter (Fibre Host Adapter) driver for Windows 2000 Advanced Server is installed and running on all cluster nodes. If it is not installed, refer to the Compaq StorageWorks Fibre Channel Host Adapter Installation Guide or the Compaq StorageWorks 64-bit/66-MHz Fibre Channel Host Adapter Installation Guide for installation instructions. I Determine whether or not hardware errors or communications transport failures are causing the problem. Use the Event Viewer to verify that no hardware errors or transport problems exist. Check the event log for disk I/O error messages or indications of problems with the communications transport.