Distributed Systems Administration Utilities User's Guide, Linux, March 2009

Table of Contents
About this Document..........................................................................................................9
Intended Audience.................................................................................................................................9
Typographic Conventions......................................................................................................................9
Related Information................................................................................................................................9
Publishing History..................................................................................................................................9
Product Support......................................................................................................................................9
HP Encourages Your Comments..........................................................................................................10
1 Introduction...................................................................................................................11
1.1 Distributed Systems Administration Utilities Commands.............................................................12
1.2 Open Source Components...............................................................................................................13
1.3 Distributed Systems Administration Utilities Manual Pages.........................................................14
1.4 Serviceguard Scripts Path Definition..............................................................................................14
1.5 Red Hat and SLES File Path Difference...........................................................................................15
2 Configuration Synchronization....................................................................................17
2.1 cfengine Overview...........................................................................................................................17
2.1.1 cfengine Daemons and Commands........................................................................................18
2.2 cfengine Master Server Deployment Models..................................................................................19
2.3 Configuring cfengine.......................................................................................................................20
2.3.1 Using the Configuration Synchronization Wizard.................................................................20
2.3.1.1 Using the Wizard to Configure a Standalone Synchronization Server...........................21
2.3.1.2 Using the Wizard to Configure a Serviceguard Cluster Synchronization Server..........23
2.3.1.3 Cluster Configuration Notes for cfengine.......................................................................26
2.3.1.4 Serviceguard Automation Features................................................................................27
2.3.1.5 Using the Wizard to Configure a Synchronization Client..............................................28
2.3.2 Manual Configuration ............................................................................................................29
2.3.2.1 Manually Configuring a Standalone Synchronization Server........................................30
2.3.2.2 Manually Configuring a Serviceguard Cluster Synchronization Server........................32
2.3.2.3 Configuring a Synchronization Managed Client............................................................38
2.3.2.4 Choosing a Synchronization Invocation Method...........................................................39
2.4 Security Notes..................................................................................................................................40
2.4.1 Key Exchange..........................................................................................................................40
2.4.2 csync Network Port Usage......................................................................................................40
2.4.3 Encryption...............................................................................................................................41
2.4.4 Checksum Alerts.....................................................................................................................41
2.5 Disabling Use of cfengine................................................................................................................41
2.6 Logging Options..............................................................................................................................41
2.7 cfengine Troubleshooting................................................................................................................42
3 Consolidated Logging.................................................................................................45
3.1 Introduction to syslog.....................................................................................................................45
3.1.1 syslog Message Format...........................................................................................................45
3.1.2 Message Filtering....................................................................................................................46
3.2 Log Consolidation Overview..........................................................................................................46
3.2.1 Improved Log Consolidation .................................................................................................46
3.2.2 syslog Co-existence.................................................................................................................47
3.3 Log Consolidation Configuration...................................................................................................49
Table of Contents 3