Checked crontab and cron.hourly. Nothing in these that I could see that would run any jobs for sendmail. I ran netstat -al. I see a few ports open, all of them accounted for bu I don't see anything for smmsp. (But the drives arn't thrashing right now so its possible that something may be running while the drives are thrashing) > > And hence AUTHOR wrote: Jim Streit >> I have recently noticed a weird thing happening on a server that I >> have. >> A few times a day, the drives on my server start thrashing, like they >> are doing a massive read or write. If I look at TOP while this is >> happening the only thing that really shows active CPU cycles is >> sendmail. It uses about 8% of the processing power of the box. After >> about 10 minutes, the thrashing stops and that sendmail thread stops >> (user smmsp). During the thrashing there isn't any noticeable >> performance slowdown. > > If it's at the same time every day, perhaps cron jobs? > Maybe look at /etc/cron.daily, or try a crontab -l and se what pops out. > > Tried running netstat, grepping for smmsp, etc? > > -mj > > > --------------------- > Jentges.NET, Inc. > Voice: 763.783.3702 > Cell: 763.370.1201 > --------------------- > > > > _______________________________________________ > TCLUG Mailing List - Minneapolis/St. Paul, Minnesota > http://www.mn-linux.org tclug-list at mn-linux.org > https://mailman.real-time.com/mailman/listinfo/tclug-list -- Jim Streit Partner & Co-Founder NorthLANs Alliance, LLC JimStreit at northlans.com _______________________________________________ TCLUG Mailing List - Minneapolis/St. Paul, Minnesota http://www.mn-linux.org tclug-list at mn-linux.org https://mailman.real-time.com/mailman/listinfo/tclug-list