Compaq ProLiant 6400R Compaq Parallel Database Cluster Model PDC/05000 for Ora - Page 31

Gigabit Interface ConverterShortwave, Fibre Channel Cables

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Cluster Architecture 2-7 Compaq StorageWorks Secure Path failover software is installed on every cluster node to ensure the proper operation of components along each I/O path. For information about installing Secure Path, see the section entitled, "Installing Secure Path for Windows 2000" in Chapter 5, "Installation and Configuration." Gigabit Interface Converter-Shortwave A Gigabit Interface Converter-Shortwave (GBIC-SW) module is installed at both ends of a Fibre Channel cable. A GBIC-SW module must be installed in each host adapter, active Fibre Channel SAN Switch or Storage Hub port, and array controller. GBIC-SW modules provide 100 MB/second performance. Fibre Channel cables connected to these modules can be up to 500 meters in length. Fibre Channel Cables Shortwave (multi-mode) fibre optic cables are used to connect the server nodes, Fibre Channel SAN Switches or Storage Hubs, and array controllers in a PDC/O5000. Configuring and Cabling the MA8000/EMA12000 Storage Subsystem Components Configuring LUNS for Storagesets If you install the optional Compaq StorageWorks Large LUN utility on your PDC/O5000 cluster, you can distribute a maximum of 256 LUNs among the four array controller ports in each storage subsystem. If you do not install the Large LUN utility, you can distribute a maximum of 16 LUNs among the four array controller ports in each storage subsystem. This 16-LUN restriction is imposed by the Compaq Secure Path software and the MA8000/EMA12000 Storage Subsystems. IMPORTANT: When offsets are used, always assign LUNs 0-99 to port 1 on each HSG80 Array Controller and assign LUNs 100-199 to port 2.

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Cluster Architecture
2-7
Compaq StorageWorks Secure Path failover software is installed on every
cluster node to ensure the proper operation of components along each I/O path.
For information about installing Secure Path, see the section entitled,
“
Installing Secure Path for Windows 2000
”
in Chapter 5,
“
Installation and
Configuration.
”
Gigabit Interface Converter-Shortwave
A Gigabit Interface Converter-Shortwave (GBIC-SW) module is installed at
both ends of a Fibre Channel cable. A GBIC-SW module must be installed in
each host adapter, active Fibre Channel SAN Switch or Storage Hub port, and
array controller.
GBIC-SW modules provide 100 MB/second performance. Fibre Channel
cables connected to these modules can be up to 500 meters in length.
Fibre Channel Cables
Shortwave (multi-mode) fibre optic cables are used to connect the server
nodes, Fibre Channel SAN Switches or Storage Hubs, and array controllers in
a PDC/O5000.
Configuring and Cabling the
MA8000/EMA12000 Storage Subsystem
Components
Configuring LUNS for Storagesets
If you install the optional Compaq StorageWorks Large LUN utility on your
PDC/O5000 cluster, you can distribute a maximum of 256 LUNs among the
four array controller ports in each storage subsystem.
If you do not install the Large LUN utility, you can distribute a maximum of
16 LUNs among the four array controller ports in each storage subsystem.
This 16-LUN restriction is imposed by the Compaq Secure Path software and
the MA8000/EMA12000 Storage Subsystems.
IMPORTANT:
When offsets are used, always assign LUNs 0-99 to port 1 on each HSG80
Array Controller and assign LUNs 100-199 to port 2.