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Thomas L Holaday
Asked: 2011-05-05 07:07:22 +0800 CST

On Solaris, how can I tell what processes are doing disk i/o on a particular device?

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On Solaris, iostat tells me that a device is 92% busy, but how do I find out what programs are making the requests?

io solaris

1 Answers

  1. Best Answer

    If you mean Solaris 10 try iotop, a DTrace script by Brendan Gregg. It lists the device (fifth column).

    http://www.brendangregg.com/DTrace/iotop

    You can find some other particularly useful DTrace scripts at http://prefetch.net/articles/solaris.dtracetopten.html.

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