Managing Serviceguard Eighteenth Edition, September 2010

List of Figures
1-1 Typical Cluster Configuration ....................................................................................29
1-2 Typical Cluster After Failover ....................................................................................31
1-3 Tasks in Configuring a Serviceguard Cluster ............................................................35
2-1 Redundant LANs .......................................................................................................40
2-2 Mirrored Disks Connected for High Availability ......................................................47
2-3 Cluster with High Availability Disk Array ................................................................48
2-4 Cluster with Fibre Channel Switched Disk Array......................................................49
2-5 Eight-Node Active/Standby Cluster ..........................................................................51
2-6 Eight-Node Cluster with XP or EMC Disk Array ......................................................52
3-1 Serviceguard Software Components...........................................................................54
3-2 Lock Disk or Lock LUN Operation.............................................................................64
3-3 Quorum Server Operation..........................................................................................66
3-4 Package Moving During Failover...............................................................................69
3-5 Before Package Switching...........................................................................................71
3-6 After Package Switching.............................................................................................72
3-7 Rotating Standby Configuration before Failover........................................................73
3-8 Rotating Standby Configuration after Failover..........................................................74
3-9 CONFIGURED_NODE Policy Packages after Failover...................................................75
3-10 Automatic Failback Configuration before Failover....................................................76
3-11 Automatic Failback Configuration After Failover......................................................77
3-12 Automatic Failback Configuration After Restart of Node 1.......................................78
3-13 Legacy Package Time Line Showing Important Events..............................................81
3-14 Package Time Line (Legacy Package).........................................................................83
3-15 Legacy Package Time Line for Halt Script Execution.................................................87
3-16 Cluster Before Local Network Switching ...................................................................94
3-17 Cluster After Local Network Switching .....................................................................95
3-18 Local Switching After Cable Failure ..........................................................................96
3-19 Aggregated Networking Ports..................................................................................104
3-20 Physical Disks Within Shared Storage Units.............................................................108
3-21 Mirrored Physical Disks............................................................................................109
3-22 Multiple Devices Configured in Volume Groups.....................................................109
3-23 Physical Disks Combined into LUNs........................................................................110
3-24 Multiple Paths to LUNs.............................................................................................111
3-25 Multiple Paths in Volume Groups.............................................................................111
4-1 Sample Cluster Configuration ..................................................................................123
5-1 Access Roles..............................................................................................................253
D-1 Running Cluster Before Rolling Upgrade ................................................................456
D-2 Running Cluster with Packages Moved to Node 2 ..................................................456
D-3 Node 1 Upgraded to new HP-UX version................................................................457
D-4 Node 1 Rejoining the Cluster ...................................................................................457
D-5 Running Cluster with Packages Moved to Node 1 ..................................................458
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