From: Hong J. Sun [mailto:hongjsun AT HOTMAIL DOT COM] 
> _2. As a business rule, we can't let this backup to affect normal user
> retrievals, so we have to get this done during weekends, but 
> if the backup
> takes more than 2 days, is there any way we can stop the 
> backup and resume it again on the following weekend?

You can stop a storage pool backup any time you want (by cancelling the
process). The next time you start the backup again, it will start where
it left off.
 
--
Mark Stapleton (mark.stapleton AT berbee DOT com)
Berbee Information Networks
Office 262.521.5627