Perfect replication

Dear friends,

I need to make the case of Omeka in a particular way.

One installment was done on a particular server. Now, I need to replicate and to run a second installment synchronous with the first.

Details of the deployment:
1. To have 1, 2, 3.. n nodes (servers) running Omeka
2. Every time one node gets input, all the other nodes (servers) will be updated, as well.
3. If one node gets cut, the others will carry on. Once the node cut off recovers, it will update with the others.

Has anyone experimented this? Thank you