We are running a website that is written in PHP and is using a MySQL database. It runs on Linux, of course.
We're trying to find a method to setup a complete mirror of the server on a standby server that we can bring up easily if the main server goes down.
The website is very dynamic and data changes all the time. I'm looking for a way to keep the standby server in identical state as the master server.
After doing some research I found out that I could use the built-in MySQL replication for that, but we also have dynamic data directories on our server - I could setup an rsync script that runs every few minutes, but it'll probably take too many resources and won't be accurate.
I would like to hear the experiences of others who had the same problem (and hopefully solved it).
* Both servers are running at the same location right now, so I can takeover the main IP address easily. However, we considered having a backup server on another location (where we can't use the same ip address). Is there any way to do this?
Sagi
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