On Mon, 2008-11-24 at 12:35 +0000, Stroller wrote: > On 24 Nov 2008, at 11:07, Dirk Heinrichs wrote: > > ... > > If you have further questions, feel free to ask. > > I would love a file system that transparently replicates over several > systems - say 2 - 5. > > It doesn't need to amalgamate spare in any way (as BillK requests), > let's just say I just have a couple of gig on each machine that I want > replicated. > > I should be able to read & operate on the files on the "partition" > just as normal, but when a file is saved to or deleted from any one > machine the change should be replicated on all the others across the > (slow) network. > > Basically, the idea is that I should be able to set machines A, B & C > as MX for my domain and be able to read a new message whichever > machine receives it. I should be able to run all 3 machines as IMAP > servers and connect to any one of them to see the same view of my > messages. When the IMAP server deletes or moves a message (on, say, A) > that transaction should be replicated across B & C. (But likewise if > the message is moved or deleted on B then the transaction should be > replicated across A & C). > > I suspect I would be optimistic if I hoped for something so > sophisticated to be readily available, as I am aware that this would > be problematic to implement. But do you have any suggestions? > > Stroller. > >
I set up an openmosix cluster once using dfs I think. It replicated data just like you want so each exported thread was seeing consistent file space. It did work, but had a few issues ... I think it was designed by MS being one :) http://en.wikipedia.org/wiki/Distributed_File_System_(Microsoft) BillK
