I Agree That's a good question... I'd like to see some extra information too about the possibilities with GFS.
good qus but one of the problems i see is that you will use a lot of Bandwidth unless its an inhouse ( in like an data center ) where you have two or three www servers but want them to have an common www/vhost folder write / read in real time .... but i gotta read there whitepaper on it when i get time over the weekend .... to find out more on it ... but maybe im wrong ... about it its looks like an NFS .. type of layout in a way :/