Global backup solution for FBSD & Ubuntu

[Francisco Reyes]

krad writes:

> In my experience dedup requires a fairly large amount of juice so if your
> backups are large I hope you machines are big on ram

The way tarsnap does it is not that intensive. I have used in an old 900Mhz 
machine with less than 640MB of RAM and it worked well.
I think the program computes some sort of hash for blocks of data and then 
the server checks to see if it already has that block.