Date: Mon, 22 Nov 2004 14:45:30 -0800 (PST) From: Arne "Wörner" <arne_woerner@yahoo.com> To: Aaron Glenn <aaron.glenn@gmail.com> Cc: freebsd-performance@freebsd.org Subject: Re: I've ran out of ideas Message-ID: <20041122224530.65940.qmail@web41213.mail.yahoo.com> In-Reply-To: <20041122223823.15007.qmail@web14123.mail.yahoo.com>
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> > Of course. But why does iostat report 1.3MB/s on a
> > completely idle system? Is something eating my disk I/O? If so, how
> > do I find out what, precisely, is?
>
Hmm... Since there should not be so much I/O on an idle system, I would like to
ask:
Did you use
- iostat
or
- iostat 2
or so?
If I use "iostat" I just see the average. If I use "iostat 2" I see first the
average and then the iostat of the last 2 seconds:
> iostat 2
tty ad0 ad1 da0 cpu
tin tout KB/t tps MB/s KB/t tps MB/s KB/t tps MB/s us ni sy in id
2 4342 28.04 1 0.04 36.95 4 0.15 0.01 0 0.00 18 73 6 2 0
12 115 0.00 0 0.00 44.67 7 0.33 0.00 0 0.00 20 74 3 3 0
5 32 16.00 2 0.04 41.26 8 0.31 0.00 0 0.00 21 71 5 3 0
0 38 7.00 1 0.01 50.00 7 0.37 0.00 0 0.00 24 69 5 2 0
^C
-Arne
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