Compaq ProLiant 6500 Compaq Parallel Database Cluster Model PDC/05000 for Orac - Page 63
Cluster Interconnect Requirements, Ethernet Cluster Interconnect
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Cluster Architecture 2-39 Cluster Interconnect Requirements The cluster interconnect is the data path over which all of the nodes in a PDC/O5000 cluster communicate. The nodes use the cluster interconnect data path to: I Communicate individual resource and overall cluster status. I Send and receive heartbeat signals. I Coordinate database locks through the Oracle Integrated Distributed Lock Manager. NOTE: Several terms for cluster interconnect are used throughout the industry. Others are: private LAN, private interconnect, system area network (SAN), and private network. Throughout this guide, the term cluster interconnect is used. Compaq Parallel Database Clusters like the PDC/O5000 that use Oracle8i Parallel Server support an Ethernet cluster interconnect. In a PDC/O5000, the Ethernet cluster interconnect must be redundant. A redundant cluster interconnect uses redundant hardware to provide fault tolerance along the entire cluster interconnect path. Ethernet Cluster Interconnect IMPORTANT: The cluster management software for the Ethernet cluster interconnect requires the use of TCP/IP. When configuring the Ethernet cluster interconnect, be sure to enable TCP/IP. NOTE: Refer to the technical white paper Supported Ethernet Interconnects for Compaq Parallel Database Clusters Using Oracle Parallel Server (ECG062/0299) for detailed information about configuring redundant Ethernet cluster interconnects. This document is available at www.compaq.com/support/techpubs/whitepapers