Using Serviceguard Extension for RAC, 10th Edition, April 2013

ManualsBrandsHP ManualsSoftwareHP Serviceguard Extension for RAC (SGeRAC)

Contents

Advantages of using SGeRAC.........................................................................9

Preface......................................................................................................10

Where to find Documentation on the Web......................................................12

1 Introduction to Serviceguard Extension for RAC............................................13

What is a Serviceguard Extension for RAC Cluster? ...................................................................13

Group Membership............................................................................................................14

Using Packages in a Cluster ...............................................................................................14

Serviceguard Extension for RAC Architecture..............................................................................15

Group Membership Daemon...............................................................................................15

Overview of SGeRAC and Cluster File System (CFS)/Cluster Volume Manager (CVM).....................15

Package Dependencies.......................................................................................................16

Storage Configuration Options............................................................................................16

About Veritas CFS and CVM from Symantec..........................................................................16

Overview of SGeRAC and Oracle 10gR2, 11gR1, and 11gR2 RAC...............................................17

Overview of SGeRAC Cluster Interconnect Subnet Monitoring ......................................................18

How Cluster Interconnect Subnet Works................................................................................18

Configuring Packages for Oracle RAC Instances.........................................................................19

Configuring Packages for Oracle Listeners..................................................................................20

Node Failure.........................................................................................................................20

Larger Clusters ......................................................................................................................21

Up to Four Nodes with SCSI Storage....................................................................................21

Point-to-Point Connections to Storage Devices ........................................................................22

Extended Distance Cluster Using Serviceguard Extension for RAC.................................................23

GMS Authorization.................................................................................................................23

Overview of Serviceguard Manager.........................................................................................24

Starting Serviceguard Manager...........................................................................................24

Monitoring Clusters with Serviceguard Manager....................................................................24

Administering Clusters with Serviceguard Manager................................................................24

Configuring Clusters with Serviceguard Manager...................................................................25

2 Serviceguard Configuration for Oracle 10gR2, 11gR1, or 11gR2 RAC..............26

Interface Areas.......................................................................................................................26

Group Membership API (NMAPI2).......................................................................................26

SGeRAC Detection.............................................................................................................26

Cluster Timeouts.................................................................................................................26

Serviceguard Cluster Timeout..........................................................................................26

CSS Timeout.................................................................................................................27

RAC IMR Timeout..........................................................................................................27

Oracle Cluster Software......................................................................................................27

Automated Oracle Cluster Software Startup and Shutdown.................................................27

Monitoring...................................................................................................................27

Allowed Characters for Oracle 10gR2/11gR1/11gR2 RAC Cluster Names...........................27

Shared Storage.................................................................................................................27

Multipathing ................................................................................................................28

OCR and Vote Device....................................................................................................28

Mirroring and Resilvering...............................................................................................28

Shared Storage Activation..............................................................................................28

Listener.............................................................................................................................28

Automated Startup and Shutdown...................................................................................28

Manual Startup and Shutdown........................................................................................29

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