What's the best solution to back up a 600 Gigabyte Data Base?

What's the best solution to back up a 600 Gigabyte Data Base? Scenario: 7.1 On-Line HP-9000 T500 Xwindows Application: OSP Object Orientated Xwindows "Clients". Forget the dyslexic xwindows terminology, the Xwindows on PCs are the clients hitting a server on a nation-wide network. Database using replication, fragmentation. 600 Gigabytes needed to backup nightly. Nightly Backup anyone??? -- \\\\|// (O|O) ==============================---o00--(_)--00o---============================ Tim Schaefer tschaefe@gate.net http://www.gate.net/~tschaefe Make America great again: Abolish the IRS and reinstitute public hangings =============================================================================