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Date: Thu, 25 Nov 2010 12:08:13 -0800
From: Jeremy Chadwick <freebsd@jdc.parodius.com>
To: Adam Vande More <amvandemore@gmail.com>
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Cc: freebsd-stable@freebsd.org, Andriy Gapon <avg@freebsd.org>
Subject: Re: top io mode
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On Thu, Nov 25, 2010 at 01:12:17PM -0600, Adam Vande More wrote:
> On Thu, Nov 25, 2010 at 10:03 AM, jhell <jhell@dataix.net> wrote:
> 
> > Is this on ZFS ?
> >
> > If that is the case it is a known problem that needs the following patch
> > to fix the issue.
> >
> > http://people.freebsd.org/~avg/zfs-ru.diff<http://people.freebsd.org/%7Eavg/zfs-ru.diff>
> >
> > I believe it is planned to be MFC'd but am not quite sure so I have CC'd
> > Andriy and he should be able to advise further.
> >
> 
>  Well the top bug didn't seem to resolve my actual issue and yes it it a
> complete ZFS system.  Problem is that the HD activity indicator light is
> constantly flickering even though should be minimal activity.  top still
> shows no activity around the blinks, and there's no swapping happening
> although gstat does seem to roughly match the blinks.  I can't tell what
> your patch does, would it enable me to see what's touching the disk?

Please try using gstat(8) instead.

-- 
| Jeremy Chadwick                                   jdc@parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |