Managing Serviceguard A.11.20, March 2013

What You Can Preview................................................................................................298
Using Preview mode for Commands and in Serviceguard Manager...................................298
Using cmeval..............................................................................................................299
Updating the Cluster Lock Configuration.............................................................................300
Updating the Cluster Lock Disk Configuration Online.......................................................300
Updating the Cluster Lock LUN Configuration Online.......................................................300
Reconfiguring a Halted Cluster .........................................................................................300
Reconfiguring a Running Cluster........................................................................................301
Adding Nodes to the Cluster While the Cluster is Running ...............................................301
Removing Nodes from the Cluster while the Cluster Is Running ..........................................301
Changing the Cluster Networking Configuration while the Cluster Is Running......................302
What You Can Do..................................................................................................302
What You Must Keep in Mind..................................................................................303
Example: Adding a Heartbeat LAN..........................................................................304
Example: Deleting a Subnet Used by a Package.........................................................305
Removing a LAN or VLAN Interface from a Node.......................................................305
Changing the LVM Configuration while the Cluster is Running ..........................................306
Changing the VxVM or CVM Storage Configuration .......................................................306
Changing MAX_CONFIGURED_PACKAGES..................................................................307
Configuring a Legacy Package...............................................................................................307
Creating the Legacy Package Configuration .......................................................................307
Configuring a Package in Stages...................................................................................308
Editing the Package Configuration File...........................................................................308
Creating the Package Control Script...................................................................................310
Customizing the Package Control Script .........................................................................311
Adding Customer Defined Functions to the Package Control Script ....................................312
Adding Serviceguard Commands in Customer Defined Functions .................................312
Support for Additional Products.....................................................................................312
Verifying the Package Configuration...................................................................................313
Distributing the Configuration............................................................................................313
Distributing the Configuration And Control Script with Serviceguard Manager.....................313
Copying Package Control Scripts with HP-UX commands..................................................313
Distributing the Binary Cluster Configuration File with HP-UX Commands ...........................314
Configuring Cross-Subnet Failover......................................................................................314
Configuring node_name..............................................................................................314
Configuring monitored_subnet_access............................................................................315
Creating Subnet-Specific Package Control Scripts............................................................315
Control-script entries for nodeA and nodeB................................................................315
Control-script entries for nodeC and nodeD................................................................315
Reconfiguring a Package.......................................................................................................315
Migrating a Legacy Package to a Modular Package.............................................................316
Reconfiguring a Package on a Running Cluster ...................................................................316
Renaming or Replacing an External Script Used by a Running Package..............................317
Reconfiguring a Package on a Halted Cluster .....................................................................317
Adding a Package to a Running Cluster..............................................................................318
Deleting a Package from a Running Cluster ........................................................................318
Resetting the Service Restart Counter..................................................................................319
Allowable Package States During Reconfiguration ...............................................................319
Changes that Will Trigger Warnings..............................................................................325
Responding to Cluster Events .................................................................................................325
Single-Node Operation ........................................................................................................325
Disabling Serviceguard.........................................................................................................326
Removing Serviceguard from a System.....................................................................................326
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