DR-DC-DR CHANGE PROCESS FOR MiraExim

This is an Old / Outdated Article, Please use this only as technical Reference
Reason: Old Article / Architecture / Technology might not be relevant now May Use for Understand concepts
Flagged: 2026-07

DC TO DR CHANGE PROCESS

STEPS :

1. First down the DC

# vim /etc/inittab

Hash the SV:123456:respawn:/command/svscanboot

Then save

# init q

# netstat –tunlp | grep tcpserver

All ports are now closed

1. Then on the DR Site

# vim /etc/inittab

Hash out the SV:123456:respawn:/command/svscanboot

Then save

# init q

# netstat –tunlp | grep tcpserver

All ports now opened

1. Check logs at DR /var/log/qmail/qmail-send/current

DRTO DC CHANGE PROCESS

STEPS:

1. First Down the DR

# vim /etc/inittab

Hash the SV:123456:respawn:/command/svscanboot

Then save

# init q

# netstat –tunlp | grep tcpserver

All ports are now closed

And manually run one script “/root/scripts/sync.sh

Then all archived are copied into DC

1. Then on the DC site
2. Then on the DR Site

# vim /etc/inittab

Hash out the SV:123456:respawn:/command/svscanboot

Then save

# init q

# netstat –tunlp | grep tcpserver

All ports now opened