Global backup solution for FBSD & Ubuntu

Francisco Reyes lists at
Fri Jul 9 15:06:46 UTC 2010

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.

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