Compaq ProLiant 6500 Compaq Parallel Database Cluster Model PDC/05000 for Orac - Page 199

Verifying Connectivity to a Redundant Fibre Channel Fabric

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7-12 Compaq Parallel Database Cluster Model PDC/O5000 for Oracle8i and Windows 2000 Administrator Guide Verifying Connectivity to a Redundant Fibre Channel Fabric Verify that the array controllers and the cluster nodes are properly connected to all paths of the redundant Fibre Channel Fabric as described in this section. Fibre Channel Fabric Connectivity Guidelines To ensure that all connections along the Fiber Channel Fabric paths are correct, verify the following: I KGPSA-BC or KGPSA-CB Host Adapters have been installed in the same slot locations across all cluster nodes. I For each host adapter pair installed in the server, verify that the upper (or leftmost) host adapter is connected by Fibre Channel cable to one Fibre Channel SAN Switch and that the bottom (or rightmost) host adapter is connected to the second Fibre Channel SAN Switch. I For the array controller pair installed in each storage subsystem, verify that the two ports on each array controller are connected to different Fibre Channel SAN Switches. I If an MA8000/EMA12000 Storage Subsystem has three or fewer disk enclosures, verify that a dual-bus I/O module with two SCSI cables is installed in each disk enclosure. Also verify that 14 or fewer disk drive units are installed in each disk enclosure. I If an MA8000/EMA12000 Storage Subsystem has four to six disk enclosures, verify that a single-bus I/O module with one SCSI cable is installed in each disk enclosure. Also verify that 12 or fewer disk drive units are installed in each disk enclosure. MA8000/EMA12000 Storage Subsystem Connectivity to Fibre Channel FabrIc Connection Paths To ensure that an array controller is connected to the correct Fibre Channel Fabric path, open a CLI window and issue the CLI command show this_controller. If the port 1 topology is in an Offline state, refer to the StorageWorks documentation about the HSG80 Array Controller ACS and CLI for more information about how to configure an MA8000/EMA12000 Storage Subsystem.

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7-12
Compaq Parallel Database Cluster Model PDC/O5000 for Oracle8i and Windows 2000 Administrator Guide
Verifying Connectivity to a Redundant Fibre
Channel Fabric
Verify that the array controllers and the cluster nodes are properly connected
to all paths of the redundant Fibre Channel Fabric as described in this section.
Fibre Channel Fabric Connectivity Guidelines
To ensure that all connections along the Fiber Channel Fabric paths are
correct, verify the following:
■
KGPSA-BC or KGPSA-CB Host Adapters have been installed in the
same slot locations across all cluster nodes.
■
For each host adapter pair installed in the server, verify that the upper
(or leftmost) host adapter is connected by Fibre Channel cable to one
Fibre Channel SAN Switch and that the bottom (or rightmost) host
adapter is connected to the second Fibre Channel SAN Switch.
■
For the array controller pair installed in each storage subsystem, verify
that the two ports on each array controller are connected to different
Fibre Channel SAN Switches.
■
If an MA8000/EMA12000 Storage Subsystem has three or fewer disk
enclosures, verify that a dual-bus I/O module with two SCSI cables is
installed in each disk enclosure. Also verify that 14 or fewer disk drive
units are installed in each disk enclosure.
■
If an MA8000/EMA12000 Storage Subsystem has four to six disk
enclosures, verify that a single-bus I/O module with one SCSI cable is
installed in each disk enclosure. Also verify that 12 or fewer disk drive
units are installed in each disk enclosure.
MA8000/EMA12000 Storage Subsystem
Connectivity to Fibre Channel FabrIc Connection
Paths
To ensure that an array controller is connected to the correct Fibre Channel
Fabric path, open a CLI window and issue the CLI command
show this_controller.
If the port 1 topology is in an Offline state, refer to the
StorageWorks documentation about the HSG80 Array Controller ACS and
CLI for more information about how to configure an MA8000/EMA12000
Storage Subsystem.