Managing HP Serviceguard A.12.00.00 for Linux, June 2014
6.2.2 cmmakepkg Examples.............................................................................................201
6.2.3 Next Step...............................................................................................................202
6.3 Editing the Configuration File............................................................................................202
6.4 Adding or Removing a Module from an Existing Package.....................................................205
6.5 Verifying and Applying the Package Configuration..............................................................206
6.6 Alert Notification for Serviceguard Environment..................................................................207
6.7 Adding the Package to the Cluster....................................................................................208
6.8 How Control Scripts Manage VxVM Disk Groups................................................................208
6.9 Creating a Disk Monitor Configuration..............................................................................209
7 Cluster and Package Maintenance............................................................211
7.1 Reviewing Cluster and Package Status ...............................................................................211
7.1.1 Reviewing Cluster and Package Status with the cmviewcl Command.................................211
7.1.2 Viewing Package Dependencies.................................................................................211
7.1.3 Cluster Status ..........................................................................................................211
7.1.4 Node Status and State .............................................................................................212
7.1.5 Package Status and State...........................................................................................212
7.1.6 Package Switching Attributes......................................................................................214
7.1.7 Service Status ..........................................................................................................214
7.1.8 Generic Resource Status............................................................................................214
7.1.9 Network Status.........................................................................................................214
7.1.10 Failover and Failback Policies....................................................................................214
7.1.11 Examples of Cluster and Package States .....................................................................215
7.1.11.1 Normal Running Status......................................................................................215
7.1.11.2 Quorum Server Status........................................................................................216
7.1.11.3 Status After Halting a Package............................................................................216
7.1.11.4 Status After Moving the Package to Another Node................................................217
7.1.11.5 Status After Package Switching is Enabled............................................................218
7.1.11.6 Status After Halting a Node...............................................................................218
7.1.11.7 Viewing Information about Unowned Packages.....................................................219
7.1.12 Checking the Cluster Configuration and Components...................................................219
7.1.12.1 Verifying Cluster and Package Components..........................................................220
7.1.12.2 Setting up Periodic Cluster Verification................................................................222
7.1.12.3 Limitations.......................................................................................................222
7.2 Managing the Cluster and Nodes ....................................................................................223
7.2.1 Starting the Cluster When all Nodes are Down............................................................223
7.2.2 Adding Previously Configured Nodes to a Running Cluster............................................224
7.2.3 Removing Nodes from Participation in a Running Cluster...............................................224
7.2.3.1 Using Serviceguard Commands to Remove a Node from Participation in a Running
Cluster ......................................................................................................................224
7.2.4 Halting the Entire Cluster .........................................................................................225
7.2.5 Automatically Restarting the Cluster ...........................................................................225
7.3 Halting a Node or the Cluster while Keeping Packages Running............................................225
7.3.1 What You Can Do...................................................................................................225
7.3.2 Rules and Restrictions...............................................................................................226
7.3.3 Additional Points To Note.........................................................................................227
7.3.4 Halting a Node and Detaching its Packages...............................................................228
7.3.5 Halting a Detached Package.....................................................................................228
7.3.6 Halting the Cluster and Detaching its Packages............................................................228
7.3.7 Example: Halting the Cluster for Maintenance on the Heartbeat Subnets.........................229
7.4 Managing Packages and Services ....................................................................................229
7.4.1 Starting a Package ..................................................................................................229
7.4.1.1 Starting a Package that Has Dependencies...........................................................230
7.4.2 Halting a Package ..................................................................................................230
10 Contents