Hi Jonathan, Jonathan Aquilina wrote on 2011-08-01 12:52:
I already have a VPS setup which I use and host 4 sites with at the data center i work with. Here we have redundancy like no other, 4 fiber lines from 2 different providers, 2 lines each provider. so if something does go down, we switch to our immediate backup. each floor as well of our DC has 2 emergency generators in case of electrical outages, and can run the DC for 6 days. I am more then willing to run a back up site on my vps. I am sure it would be much more effective to either have a round robin DNS setup and use both sites, or use one then change the DNS entry. What do you think. I could rsync the site on the main server to ensure that its up to date and a 2nd push of updates to my vps wont be necessary.
thanks for that kind offer. However, for achieving a real redundancy, what we need would be access to servers that are completely under our control, and that have only the installation we need on it (Ubuntu base system plus our server components). Given the high load the machines produce, a virtual machine might not be sufficient.
We are currently internally drafting a document on load balancing and failover/redundancy. I am happy to share the non-confidential parts on this list if this is of interest - if you can offer something that fits to those thoughts, that would of course be appreciated. :-)
However, a simple rsync solution is *not* sufficient, as our system is more complex.
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