Hi guys
i m new bee to his forum,
we are planning buying a san salution and considering the open-dss,
i have some confusion regarding snapshot feature that how it will be effective for me
below the purpose of the macheine.

dual xeon quadcore,
4 gb ram
6 TB
qlogic 2gb quad port hba

we want to use this as file server/storage server
it will be connected to our renderfarm 30 nodes (3d animation applications) and pool of 10 users (compositers) all connected to fiber channel.

bassically all the frames/files will be out to storage (open-e dss) and all the users will use read those files for composit.

at the end of the day we came up like 200-400GB data dailiy, new frames/files, actully
if we want to backup this on daily bassis it will take time.

* mind it i dont want to archive these file at the moment

wanted to know what if i take a snap shot of a volume of 2 TB and daily its increases addition 300gb, then how much time this volume take for snapshot?
and can we backup that snapshot version to vertias or any other windows server?

please

help