Hi, Since supercolony is still running on RHEL 6 (who is past its shelf life), it has to be upgraded to EL 7. So I installed another VM, used ansible, and we are ready to switch soon.
The plan for migration tomorrow is as follow (so I can refer later), for the moment of migration: - disable the ansible playbook for supercolony - block postfix port 25 on iptables - make sure the postfix queue is empty - deal with current moderation tasks, check that /var/lib/mailman/data is empty - stop postfix - stop mailman (on both servers) - sync the archives/ and lists/ to the new server with rsync - start mailman on new server - switch the web proxy to go to the new server - check this work fine on the web interface - switch the DNS (so the MX record as well) - announce the new server on list and see if the mail is sent and later, deal with all the side effect of switching that I forgot (like, I guess, jenkins, and the IP reputation, and maybe some RH IT stuff) If all goes well, it should take less than 30 minutes. There is almost no risk of losing mails. I am gonna send a email to announce the migration to devel and users. -- Michael Scherer / He/Il/Er/Él Sysadmin, Community Infrastructure
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