Commands tagged iostat (3)

  • blktrace is a block layer IO tracing mechanism which provide detailed information about request queue operations up to user space. blkparse will combine streams of events for various devices on various CPUs, and produce a formatted output the the event information. It take the output of above tool blktrace and convert those information into fency readable form. Show Sample Output

    sudo blktrace -d /dev/sda -o - | blkparse -i -
    emphazer · 2019-07-02 06:13:58 19
  • Shows a constantly updating display of disk IO activity. Two sections are in the output. The first is the IO activity since the machine was booted, the second section is the IO activity in the last second Show Sample Output

    watch -n 1 'iostat -xmd 1 2'
    ryanchapman · 2013-07-06 08:07:32 1
  • This helps quickly get information for each disk that is seemingly having hardware issues.

    iostat -En $(iostat -en|grep c#t|awk '$2 > 0 {print $NF}')
    unixmonkey28207 · 2011-12-09 15:54:28 2

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