Using Serviceguard Extension for RAC, 6th Edition, April 2008

4 Maintenance and Troubleshooting...........................................................................................139
Reviewing Cluster and Package States with the cmviewcl Command..........................139
Types of Cluster and Package States...........................................................................140
Examples of Cluster and Package States................................................................140
Types of Cluster and Package States......................................................................142
Cluster Status ........................................................................................................142
Node Status and State ...........................................................................................143
Package Status and State .......................................................................................143
Package Switching Attributes................................................................................143
Status of Group Membership.................................................................................144
Service Status .........................................................................................................144
Network Status.......................................................................................................145
Serial Line Status....................................................................................................145
Failover and Failback Policies................................................................................145
Examples of Cluster and Package States ....................................................................145
Normal Running Status.........................................................................................146
Quorum Server Status............................................................................................147
CVM Package Status..............................................................................................147
Status After Moving the Package to Another Node..............................................148
Status After Package Switching is Enabled............................................................149
Status After Halting a Node...................................................................................149
Viewing Data on Unowned Packages....................................................................150
Online Reconfiguration.....................................................................................................150
Online Node Addition and Deletion...........................................................................151
Managing the Shared Storage...........................................................................................151
Making LVM Volume Groups Shareable....................................................................152
Making a Volume Group Unshareable .................................................................152
Activating an LVM Volume Group in Shared Mode...................................................152
Deactivating a Shared Volume Group ..................................................................153
Making Offline Changes to Shared Volume Groups..................................................153
Adding Additional Shared LVM Volume Groups .....................................................155
Changing the VxVM or CVM Storage Configuration ................................................155
Removing Serviceguard Extension for RAC from a System............................................156
Monitoring Hardware ......................................................................................................156
Using Event Monitoring Service.................................................................................157
Using EMS Hardware Monitors..................................................................................157
Adding Disk Hardware ...................................................................................................157
Replacing Disks.................................................................................................................158
Replacing a Mechanism in a Disk Array Configured with LVM................................158
Replacing a Mechanism in an HA Enclosure Configured with Exclusive LVM.........158
Online Replacement of a Mechanism in an HA Enclosure Configured with Shared
LVM (SLVM)................................................................................................................159
Offline Replacement of a Mechanism in an HA Enclosure Configured with Shared
LVM (SLVM)................................................................................................................160
8 Table of Contents