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

Startup and shutdown of the combined Oracle RAC-SGeRAC stack .........................................85
How Serviceguard Extension for RAC starts, stops and checks Oracle Clusterware ....................86
How Serviceguard Extension for RAC Mounts, dismounts and checks ASM disk groups...............86
How Serviceguard Extension for RAC Toolkit starts, stops, and checks the RAC database
instance............................................................................................................................87
How Serviceguard Extension for RAC Toolkit interacts with storage management subsystems........87
Use Case 1: Oracle Clusterware storage and database storage in SLVM/CVM ....................87
Use Case 2: Oracle Clusterware storage and database storage in CFS ...............................88
Use case 3: Database storage in ASM over SLVM.............................................................88
How to create a Serviceguard Extension for RAC modular package..........................................89
How Serviceguard Extension for RAC Toolkit maintenance mode works....................................89
Use Case 1: Performing maintenance with Oracle Clusterware............................................89
Use Case 2: performing maintenance with ASM disk groups..............................................89
Use Case 3: performing maintenance with Oracle RAC database instance...........................90
Serviceguard Extension for RAC Toolkit internal file structure.........................................................90
Support for the SGeRAC Toolkit................................................................................................92
Conclusion..........................................................................................................................112
Additional Documentation on the Web....................................................................................112
5 Maintenance.........................................................................................113
Reviewing Cluster and Package States with the cmviewcl Command............................................113
Types of Cluster and Package States...................................................................................113
Examples of Cluster and Package States.........................................................................113
Types of Cluster and Package States..............................................................................115
Cluster Status .............................................................................................................116
Node Status and State ................................................................................................116
Package Status and State ............................................................................................116
Package Switching Attributes........................................................................................117
Status of Group Membership........................................................................................117
Service Status ............................................................................................................117
Network Status...........................................................................................................118
Failover and Failback Policies.......................................................................................118
Examples of Cluster and Package States .............................................................................118
Normal Running Status................................................................................................118
Quorum Server Status..................................................................................................119
CVM Package Status...................................................................................................119
Status After Moving the Package to Another Node...........................................................120
Status After Package Switching is Enabled......................................................................121
Status After Halting a Node.........................................................................................121
Viewing Data on Unowned Packages.............................................................................121
Checking the Cluster Configuration and Components................................................................122
Checking Cluster Components...........................................................................................123
Setting up Periodic Cluster Verification................................................................................125
Example....................................................................................................................125
Limitations.......................................................................................................................126
Online Reconfiguration..........................................................................................................126
Online Node Addition and Deletion...................................................................................126
Managing the Shared Storage...............................................................................................127
Making LVM Volume Groups Shareable..............................................................................127
Making a Volume Group Unshareable ..........................................................................128
Activating an LVM Volume Group in Shared Mode...............................................................128
Deactivating a Shared Volume Group ...........................................................................128
Making Offline Changes to Shared Volume Groups.............................................................128
Adding Additional Shared LVM Volume Groups ..................................................................130
Changing the CVM Storage Configuration .........................................................................130
6 Contents