Here is the offending graph, from munin. NOTE: the purple line is the fast drive, and the yellow line is a slower drive, but for some strange reason the yellow line goes DOWN under additional load (should go UP I would expect). Also, the results are completely the other way to the latency graph.
** Attachment added: "IO Service time - by week" https://bugs.launchpad.net/ubuntu/+source/munin/+bug/919429/+attachment/2684645/+files/iostat_ios-week.png -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to munin in Ubuntu. https://bugs.launchpad.net/bugs/919429 Title: Munin "IO Service Time" graph gives completely implausible numbers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/munin/+bug/919429/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
