Please do the followings to install OBM on AIX:
Install Java 1.3.x or above (Java 1.4.2 or above recommended) onto your AIX box
Download obm-linux.tar.gz and expand it to $OBM_HOME (e.g. /usr/local/obm)
Delete $OBM_HOME/jvm and create a symbolic link from $OBM_HOME/jvm to the AIX Java VM
Run $OBM_HOME/bin/BackupManager.sh to setup your backup set (or run $OBM_HOME/bin/Configurator.sh if you are under command line mode. Then use the web interface to setup your backup sources and other settings)
Run $OBM_HOME/bin/RunBackupSet.sh [BACKUP_SET_NAME] to run your backup
Run $OBM_HOME/bin/Scheduler.sh to start the backup scheduler