Compaq Parallel Database Cluster Model PDC/O2000 for Oracle8i and Windows 2000 Administrator Guide

Installation and Configuration 5-19
Compaq Confidential – Need to Know Required
Writer: Carol Tatick Project: Compaq Parallel Database Cluster Model PDC/O2000 for Oracle8i and Windows 2000 Administrator Guide Comments:
Part Number: 225082-002 File Name: f-ch5 Installation and Configuration.doc Last Saved On: 6/13/01 10:27 AM
Figure 5-8 shows the redundant Ethernet cluster interconnect components used
in a PDC/O2000 with two or more nodes.
Node 1
Node 2
Client LAN
Hub/Switch #1
Client LAN
Hub/Switch #2
Ethernet Switch/Hub #2
for Cluster Interconnect
Ethernet Switch/Hub #1
for Cluster Interconnect
Crossover
Cable
Dual-port
Ethernet
Adapters (2)
Dual-port
Ethernet
Adapters (2)
Crossover
Cable
Figure 5-8. Redundant Ethernet cluster interconnect for a two-node
PDC/O2000 cluster
These components include two dual-port Ethernet adapters in each cluster
node. The top port on each adapter connects by Ethernet cable to one of two
Ethernet switches or hubs provided for the cluster interconnect. The bottom
port on each adapter connects by Ethernet cable to the client LAN for the
cluster. A crossover cable is installed between the two Ethernet switches or
hubs used in the Ethernet cluster interconnect.
For clusters of three or more nodes using a redundant Ethernet cluster
interconnect, Compaq requires that you use two Ethernet 100-Mbit/sec
switches to maintain good network performance across the cluster. If there are
only two nodes in a cluster, you can use either Ethernet hubs or switches and
standard Ethernet cables to connect the nodes.
For more information on configuring Ethernet connections in a redundant or
non-redundant cluster interconnect, including enabling failover from one
Ethernet path to another, see Supported Ethernet Interconnects for Compaq
Parallel Database Clusters Using Oracle Parallel Server at
www.compaq.com/support/techpubs/whitepapers