We have one server in production:

Sun E3000 with 2x248MHz CPUs
    2 GB memory
   68 GB DB (40GB in use) mirrored
    4 GB recovery log, mirrored
   50 GB disk cache
    2 3575-L12's each with 4 3570-C1A tape drives

We backup about 30GB per night during the week, with an additional 30GB on
the weekends for Oracle cold backups.

Our second server is under contruction, and will consist of:

IBM RS/6000 F50 with 2x332MHz CPUs
    2 GB memory
   27 GB Db, mirrored on SSA disk
   36 GB disk cache on SSA disk
    4 GB recovery log mirrored
    1 IBM 3494 with 4 3590 drives, each on it's own Ultra-SCSI bus

Steve (unVMix Systems Programmer/Dude) Roder
(tkssteve AT ubvm.cc.buffalo DOT edu | tkssteve AT acsu.buffalo DOT edu | 
(716)645-3564 ,
   | http://ubvm.cc.buffalo.edu/~tkssteve)