From owner-freebsd-stable@freebsd.org  Thu Nov 26 20:37:34 2015
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Date: Thu, 26 Nov 2015 22:37:18 +0200
From: Ivan Klymenko <fidaj@ukr.net>
To: "Eugene M. Zheganin" <emz@norma.perm.ru>
Cc: freebsd-stable <freebsd-stable@freebsd.org>
Subject: Re: high disk %busy, while almost nothing happens
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On Thu, 26 Nov 2015 14:19:18 +0500
"Eugene M. Zheganin" <emz@norma.perm.ru> wrote:

> Hi.
> 
> I'm using FreeBSD 10.1-STABLE as an application server, last week I've
> noticed that disks are always busy while gstat shows that the activity
> measured in iops/reads/writes is low, form my point of view:
> 

Hi.

You have processes with STATE zio->i ?