Table of Contents  
Introduction................................................................................................................................3 
Document Contents.............................................................................................................3 
LifeKeeper Documentation.................................................................................................4 
Reference Documents..................................................................................................5 
Requirements.............................................................................................................................5 
Kit Hardware and Software Requirements..........................................................................5 
Configuring SAMS with LifeKeeper.........................................................................................7 
Typical LifeKeeper SAMS Environment............................................................................7 
Protected Files, Directories and Services............................................................................9 
Sendmail Configuration File.............................................................................................10 
Masquerading.............................................................................................................10 
Port Definition and the SAMS Recovery Kit.............................................................10 
Daemon Mode (Red Hat)...........................................................................................10 
DNS, Sendmail and LifeKeeper.................................................................................11 
Configuration Requirements.............................................................................................11 
Active/Standby Scenario..........................................................................................................12 
Administering SAMS Applications..................................................................................16 
LifeKeeper Configuration Tasks..............................................................................................17 
Creating a SAMS Resource Hierarchy..............................................................................18 
Deleting a Resource Hierarchy.........................................................................................23 
Extending Your Hierarchy................................................................................................25 
Unextending Your Hierarchy............................................................................................31 
Testing Your Resource Hierarchy.....................................................................................32 
Performing a Manual Switchover from the GUI........................................................33 
Recovery Operations.........................................................................................................33 
Troubleshooting.......................................................................................................................34 
Hierarchy Creation Error Messages..................................................................................34 
Hierarchy Extend Error Messages.....................................................................................37 
Bringing a SAMS Resource In-Service Error Messages...................................................39 
Taking a SAMS Resource Out-of-Service Error Messages..............................................40 
SAMS Resource Health Monitoring Error Messages.......................................................41 
SAMS Local Recovery Error Messages............................................................................41 
  LifeKeeper for Linux  1