Managing Serviceguard A.11.20, March 2013

Viewing Information about Unowned Packages...........................................................274
Viewing Information about System Multi-Node Packages..............................................274
Checking Status of the Cluster File System (CFS)..........................................................275
Status of the Packages in a Cluster File System............................................................276
Status of CFS Modular Disk Group and Mount Point Packages......................................276
Status of Legacy CVM Disk Group Packages..............................................................277
Status of Legacy CFS Mount Point Packages...............................................................277
Checking the Cluster Configuration and Components............................................................277
Checking Cluster Components......................................................................................278
Setting up Periodic Cluster Verification...........................................................................280
Example................................................................................................................281
Limitations..................................................................................................................281
Managing the Cluster and Nodes ..........................................................................................281
Starting the Cluster When all Nodes are Down ...................................................................282
Using Serviceguard Commands to Start the Cluster..........................................................282
Adding Previously Configured Nodes to a Running Cluster....................................................282
Using Serviceguard Commands to Add Previously Configured Nodes to a Running Cluster
................................................................................................................................282
Removing Nodes from Participation in a Running Cluster.......................................................283
Halting the Entire Cluster ..................................................................................................283
Automatically Restarting the Cluster ...................................................................................283
Halting a Node or the Cluster while Keeping Packages Running............................................283
What You Can Do......................................................................................................284
Rules and Restrictions...................................................................................................284
Additional Points To Note.............................................................................................286
Halting a Node and Detaching its Packages...................................................................287
Halting a Detached Package........................................................................................287
Halting the Cluster and Detaching its Packages...............................................................287
Example: Halting the Cluster for Maintenance on the Heartbeat Subnets............................288
Managing Packages and Services .........................................................................................288
Starting a Package ..........................................................................................................288
Starting a Package that Has Dependencies.....................................................................288
Using Serviceguard Commands to Start a Package..........................................................289
Starting the Special-Purpose CVM and CFS Packages..................................................289
Halting a Package ..........................................................................................................289
Halting a Package that Has Dependencies.....................................................................289
Using Serviceguard Commands to Halt a Package .........................................................289
Handling Failures During Package Halt..........................................................................290
Moving a Failover Package ..............................................................................................291
Using Serviceguard Commands to Move a Running Failover Package................................291
Changing Package Switching Behavior ..............................................................................291
Changing Package Switching with Serviceguard Commands.............................................291
Maintaining a Package: Maintenance Mode.......................................................................292
Characteristics of a Package Running in Maintenance Mode or Partial-Startup Maintenance
Mode .......................................................................................................................292
Rules for a Package in Maintenance Mode or Partial-Startup Maintenance Mode ...........293
Dependency Rules for a Package in Maintenance Mode or Partial-Startup Maintenance
Mode ..................................................................................................................294
Performing Maintenance Using Maintenance Mode.........................................................294
Procedure..............................................................................................................294
Performing Maintenance Using Partial-Startup Maintenance Mode.....................................295
Procedure..............................................................................................................295
Excluding Modules in Partial-Startup Maintenance Mode.............................................296
Reconfiguring a Cluster.........................................................................................................296
Previewing the Effect of Cluster Changes.............................................................................297
12 Contents