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[cobalt-developers] Migration of 300 sites to new IP's about 20 ip's for the 300 sites on Raq4



What is the best way for no downtime transition from one set of IP's to
another new (way faster t3) set of IP's.

This is what I did so far forced by hand the httpd.conf to listen to both
old and new IP's at the same time....works fine (testing via special dns
server for name based sites)...but I can't use the control panel, it will
undo this...

Also if the server is rebooted I will lose the new IP's (added via ipconfig,
will add to rc.local or similar does raq4 have
/etc/sysconfig/network-scripts stuff?)

Now I need to change the site IP via some database commands I am not
familiar with and then use the control panel (after I change DNS of course
to new IP's)

Any ideas (instructions---experiences)? Have I been clear enough?