Sample Configuration with HP Serviceguard Extension for RAG and Oracle Real Application Clusters 11g release 2 using Cluster File System
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Term Definition
MNP Multi-node package—a Serviceguard package that runs on multiple nodes at the same time, and can be
independently started and halted on individual nodes.
NIC Network interface card—host bus adapter for network communications (for example, an Ethernet card)
OC Oracle Clusterware—can run in conjunction with Serviceguard Extension for RAC; provides Oracle
cluster membership and resource management services
OCR Oracle Cluster Registry—shared storage used to maintain Oracle cluster and configuration information
ODM Oracle Disk Manager—a standard API specified by Oracle for database I/O
RAC Real Application Cluster—enables multiple application instances concurrent shared access to a database
RAC-DB-IC Real Application Cluster Interconnect (traffic)—for both Global Cache Service and Global Enqueue
Service
RAID Redundant array of independent disks—disk storage that provides HA through redundancy within an
array of disks by internal mirroring or use of parity disks
SCAN Single client access name—used as a single point of access for all applications connecting to an 11gR2
RAC cluster
SG SMS Serviceguard Storage Management Suite
SG-HB Serviceguard heartbeat (traffic)
SGeRAC Serviceguard Extension for RAC—extends Serviceguard to support Oracle RAC
SLVM Shared Logical Volume Manager
TOC Transfer of control
VIP Virtual IP address—used by OC to configure access to Oracle clients, and for remote failover to reject
client connections
Voting
disk
Shared storage used by Oracle Clusterware as a vote tie breaker and for disk-based heartbeat
Reference materials
To explore this subject in greater depth, you are encouraged to refer to the following documentation.
Sources for these documents are listed in the References section.
• Serviceguard Version A.11.19 Release Notes
• Serviceguard Extension for RAC Version A.11.19 Release Notes
• Managing Serviceguard, Seventeenth Edition
• Using Serviceguard Extension for RAC, 8th Edition
• Oracle Grid Infrastructure Installation Guide 11g Release 2 (11.2) for HP-UX
• Oracle Real Application Clusters Installation Guide 11g Release 2 (11.2) for Linux and UNIX
®
• Oracle Clusterware Administration and Deployment Guide 11g Release 2 (11.2)
• Oracle Real Application Clusters Administration and Deployment Guide 11g Release 2 (11.2)
• Veritas Storage Foundation 5.0.1 for Oracle RAC Installation, Configuration, and Administrator’s
Guide Extracts for the HP SG Storage Management Suite on HP-UX 11i v3
Configuration planning considerations
Proper planning is a requirement for optimal high-availability configurations. There are several
important considerations with associated cost-benefit tradeoffs.