Thread:Project:Support desk/Suggestions for how to replicate wiki

I am looking for suggestions on how to achieve a replica wiki. Where there is a master wiki.. but also a replica that is kept in sync with the master on another machine. Usage case is availability of the wiki if the link to the site where the master wiki is kept goes down. Database replicas? rsyncs to keep the filesystem synced? etc.. Replica wiki should be read only to prevent edits where they do not belong?

Thank you.