At a minimum the following files and directories must be included in a daily backup procedure:

 

/etc/openser
/etc/openxcap
/etc/ngnpro
/etc/soap-simple-proxy
/etc/msp-media-services
/etc/asterisk
/etc/powerdns
/etc/mysql
/etc/freeradius
/etc/apache2
/etc/mediaproxy
/etc/sipthor
/var/www/CDRTool

/etc/default
/etc/heartbeat
/etc/monit
/etc/mon
/etc/init.d/ha-services
/etc/cron.d

 

MySQL server must be backed-up by using mysqldump on an operational slave.