On 1/10/06, Joseph Amalraj <joseph@xxxxxxxxxxxxxx> wrote: > > I think you are saying redo instead on undo. > > 800GB/day is quite a lot. It depends on whether > your i/o subsystem can sustain this throughput. This can be found out > from the storage vendor. > This could be redo. It's certainly possible for a large busy system to generate that much redo in a day. -- Jared Still Certifiable Oracle DBA and Part Time Perl Evangelist