Backup files: As the A5i will be configured as cold standby backup A5i, we need to sync following files regular between the production. - /var/lib/ldap - /var/lib/mysql - /home/ - /etc/mail - /etc/MailScanner/ - /var/www/html/ - /usr/lib/courier-imap/etc/ - /etc/authlib/ - /etc/crontab - /var/spool