>Not my database though and I'm not at the site. I'm telling my friend "it has to be database activity, there is no other reason." Your "friend" could run a query against v$session and v$sess_io to find out which session(s) are doing a lot of io. ;) Jared Jared.Still@xxxxxxxxxxx oracle-l-bounce@xxxxxxxxxxxxx wrote on 06/04/2004 01:38:23 PM: > Oracle 9.2.0.4 / AIX 5.1 > > I'm looking at an issue with redo log switches. > As far as I know, a log switch will only happen > A) if the log is full > B) if someone enters an "alter system switch logfile" > C) if archive_log_target is set > > I've been asked why there would be a log switch in less than a minute > (the redo logs are all 400 MB in size). The only answer I could think of > is that there is a lot of activity in the database. Is there some > possibility I'm overlooking? >