Distributed network RAID

[Sean Carolan]

> For example, I would be able to take /home on machine 1 and any changes 
> I make will automatically migrate over to machine 2's /home, then if 
> machine 1 dies for some reason I can log into machine 2 and my data 
> would be intact until I can bring up machine 1 again.
> 
> Anyone else recall seeing this, or even better, configure something like 
> this before?

Try Heartbeat (linux-ha) and drbd.  I have set this up and it works quite well 
for creating a high-availability NFS share.