…on Ethernet broadcast or multicast cannot be used. That means, it is not easy to have a truly highly available solution for MySQL on EC2. If a MySQL…Amazon EC2 virtual world is not a simplification, far from. Because of the complexity, the story will be broken into multiple posts: Part…

…part 7. Since this will be a proof of concept, I’ll be using m1.small type instances while normally, the mysql…on the file like: root@monitor:/etc/ha.d# chmod 600 authkeys For the /etc/ha.d/ha.cf file, since EC2…