Remote sync of local NAS?

[Compman55]

Here is the scenario:

Coporate office houses a DC with a 2TB storage volume. Each branch office connect to it thru a t1 line of 1.5kbps up/down. So if someone at corporate uploads a 150mb file, it goes very fast because they are on the lan side. However myself at a branch office cannot quickly work with the file because we rely on the slow T1.

So here is what I thought, if we connect a cheap 2tb NAS device without running a server based OS to our switch, can a script or setting be applied in the DC running server 2008 r2 to allow it to synce the contents of the main 2tb storage to our NAS during off hours? This way our data will be a tad behind, but will contain the entire contents of the main? I want to make it touchless so no branch office user intervention is needed, rather have the main DC sync it.

I just want a cheap NAS like this one:
http://www.newegg.com/Product/Produc...82E16822155010

 

[Pheran]

This would be trivial to do on Linux with cron and rsync. I haven't used it, but DeltaCopy appears to be a Windows port of rsync that would do what you want. The big bonus is that only changes will be synced after the initial copy. However, you'd better do the first copy with the additional NAS at HQ, because trying to copy 2 TB over a T1 is going to fail miserably unless you like waiting a few months. You'll have to watch the rate of change because you won't be able to push more than maybe 6G/night over a T1 if you are lucky.