After one year of InDefero Hosting and the future launch of new services, it is time to upgrade the infrastructure. I have been evaluating several options, including moving to a pure cloud offer. But at the end, my current provider is still providing the best value.
Céondo is going to operate its own cloud. At the end it will be way cheaper and way safer. With the latest changes in the backup system I performed in November, giving you near real time backup of the database and daily backup of your repositories, I am slowly moving to a pair structure for the system.
This means that at anytime, a hot spare will be ready to jump in and replace the current master with minimal downtime and data loss.
Ok, now, we can calculate the cost of such basic pair infrastructure on Amazon EC2. Basically we need 2 large instances with 500GB outbound transfer and about 100GB inbound transfer per month. Using the handy EC2 calculator one gets:
EC2 is at the end nearly 3 times more expensive. Even if I am adding the extra backup in another datacenter operated by another provider (OVH already includes a default 100GB backup space for each server in another datacenter than the server itself for each server), EC2 cannot compete. If you add on top of that the latest EC2 latency problems, I know that I am doing the right choice.
What does it means for you?
This work will be completed by early February, you can expect a series of small downtime, I will announce them here on this blog.
Jan 14, 2010
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