Using Serviceguard Extension for RAC Version A.11.20 - (August 2011)

Contents
Advantages of using SGeRAC.........................................................................8
User Guide Overview....................................................................................9
Where to find Documentation on the Web......................................................11
1 Introduction to Serviceguard Extension for RAC............................................12
What is a Serviceguard Extension for RAC Cluster? ...................................................................12
Group Membership............................................................................................................13
Using Packages in a Cluster ...............................................................................................13
Serviceguard Extension for RAC Architecture..............................................................................14
Group Membership Daemon...............................................................................................14
Overview of SGeRAC and Cluster File System (CFS)/Cluster Volume Manager (CVM).....................14
Package Dependencies.......................................................................................................15
Storage Configuration Options............................................................................................15
About Veritas CFS and CVM from Symantec..........................................................................15
Overview of SGeRAC and Oracle 10g, 11gR1, and 11gR2 RAC...................................................16
Overview of SGeRAC Cluster Interconnect Subnet Monitoring ......................................................17
How Cluster Interconnect Subnet Works................................................................................17
Configuring Packages for Oracle RAC Instances.........................................................................18
Configuring Packages for Oracle Listeners..................................................................................18
Node Failure.........................................................................................................................19
Larger Clusters ......................................................................................................................20
Up to Four Nodes with SCSI Storage....................................................................................20
Point-to-Point Connections to Storage Devices ........................................................................21
Extended Distance Cluster Using Serviceguard Extension for RAC.................................................22
GMS Authorization.................................................................................................................22
Overview of Serviceguard Manager.........................................................................................23
Starting Serviceguard Manager...........................................................................................23
Monitoring Clusters with Serviceguard Manager....................................................................23
Administering Clusters with Serviceguard Manager................................................................23
Configuring Clusters with Serviceguard Manager...................................................................24
2 Serviceguard Configuration for Oracle 10g, 11gR1, or 11gR2 RAC.................25
Interface Areas.......................................................................................................................25
Group Membership API (NMAPI2).......................................................................................25
SGeRAC Detection.............................................................................................................25
Cluster Timeouts.................................................................................................................25
Serviceguard Cluster Timeout..........................................................................................25
CSS Timeout.................................................................................................................26
RAC IMR Timeout..........................................................................................................26
Oracle Cluster Software......................................................................................................26
Automated Oracle Cluster Software Startup and Shutdown.................................................26
Monitoring...................................................................................................................26
Allowed Characters for Oracle 10g/11gR1/11gR2 RAC Cluster Names...............................26
Shared Storage.................................................................................................................26
Multipathing ................................................................................................................27
OCR and Vote Device....................................................................................................27
Mirroring and Resilvering...............................................................................................27
Shared Storage Activation..............................................................................................27
Listener.............................................................................................................................27
Automated Startup and Shutdown...................................................................................27
Manual Startup and Shutdown........................................................................................28
Contents 3