How to migrate a server

• Drop DNS TTL down to 300
• Wait
• Drop DNS TTL down to 60

On source server (

• Clear out some old backups in /backups to make room on disk (if necessary)
• Put first server into read-only maintenance mode
• Wait for background jobs to finish (or kill them if they're taking a long time)
• service stop morph-worker
• cd /var/www/current; bundle exec rake app:backup
• Wait about fifteen minutes

On destination server

• rsync root@[ip of source server]:/var/www/current/db/backups/morph_backup.tar --progress
• service stop morph-worker
• service stop redis
• cd /var/www/current; bundle exec rake app:restore