HP Serviceguard A.11.20- Managing Serviceguard Twentieth Edition, August 2011

What You Can Do..................................................................................................297
What You Must Keep in Mind..................................................................................298
Example: Adding a Heartbeat LAN..........................................................................299
Example: Deleting a Subnet Used by a Package.........................................................300
Removing a LAN or VLAN Interface from a Node.......................................................300
Changing the LVM Configuration while the Cluster is Running ..........................................301
Changing the VxVM or CVM Storage Configuration .......................................................301
Changing MAX_CONFIGURED_PACKAGES..................................................................302
Configuring a Legacy Package...............................................................................................302
Creating the Legacy Package Configuration .......................................................................302
Configuring a Package in Stages...................................................................................303
Editing the Package Configuration File...........................................................................303
Creating the Package Control Script...................................................................................305
Customizing the Package Control Script .........................................................................306
Adding Customer Defined Functions to the Package Control Script ....................................307
Adding Serviceguard Commands in Customer Defined Functions .................................307
Support for Additional Products.....................................................................................307
Verifying the Package Configuration...................................................................................308
Distributing the Configuration............................................................................................308
Distributing the Configuration And Control Script with Serviceguard Manager.....................308
Copying Package Control Scripts with HP-UX commands..................................................308
Distributing the Binary Cluster Configuration File with HP-UX Commands ...........................309
Configuring Cross-Subnet Failover......................................................................................309
Configuring node_name..............................................................................................309
Configuring monitored_subnet_access............................................................................310
Creating Subnet-Specific Package Control Scripts............................................................310
Control-script entries for nodeA and nodeB................................................................310
Control-script entries for nodeC and nodeD................................................................310
Reconfiguring a Package.......................................................................................................310
Migrating a Legacy Package to a Modular Package.............................................................311
Reconfiguring a Package on a Running Cluster ...................................................................311
Renaming or Replacing an External Script Used by a Running Package..............................312
Reconfiguring a Package on a Halted Cluster .....................................................................312
Adding a Package to a Running Cluster..............................................................................312
Deleting a Package from a Running Cluster ........................................................................313
Resetting the Service Restart Counter..................................................................................314
Allowable Package States During Reconfiguration ...............................................................314
Changes that Will Trigger Warnings..............................................................................319
Responding to Cluster Events .................................................................................................319
Single-Node Operation ........................................................................................................320
Disabling Serviceguard.........................................................................................................320
Removing Serviceguard from a System.....................................................................................320
8 Troubleshooting Your Cluster....................................................................321
Testing Cluster Operation ......................................................................................................321
Start the Cluster using Serviceguard Manager.....................................................................321
Testing the Package Manager ...........................................................................................321
Testing the Cluster Manager .............................................................................................322
Testing the Network Manager ..........................................................................................322
Monitoring Hardware ...........................................................................................................322
Using System Fault Management Service.............................................................................323
Using Event Monitoring Service..........................................................................................323
Using EMS (Event Monitoring Service) Hardware Monitors....................................................323
Hardware Monitors and Persistence Requests.......................................................................323
Using HP ISEE (HP Instant Support Enterprise Edition)............................................................324
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