From owner-freebsd-stable@freebsd.org Fri Nov 27 04:48:04 2015 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 76299A36FA1 for ; Fri, 27 Nov 2015 04:48:04 +0000 (UTC) (envelope-from emz@norma.perm.ru) Received: from elf.hq.norma.perm.ru (unknown [IPv6:2a00:7540:1::5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mail.norma.perm.ru", Issuer "Vivat-Trade UNIX Root CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id D86A1182A for ; Fri, 27 Nov 2015 04:48:03 +0000 (UTC) (envelope-from emz@norma.perm.ru) Received: from bsdrookie.norma.com. ([IPv6:fd00::77d]) by elf.hq.norma.perm.ru (8.14.9/8.14.9) with ESMTP id tAR4lvxb005697 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Fri, 27 Nov 2015 09:47:57 +0500 (YEKT) (envelope-from emz@norma.perm.ru) Subject: Re: high disk %busy, while almost nothing happens References: <5656CE96.9000103@norma.perm.ru> <20151126223718.57f088d9@nonamehost.local> To: freebsd-stable From: "Eugene M. Zheganin" Message-ID: <5657E07D.9020307@norma.perm.ru> Date: Fri, 27 Nov 2015 09:47:57 +0500 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 MIME-Version: 1.0 In-Reply-To: <20151126223718.57f088d9@nonamehost.local> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3 (elf.hq.norma.perm.ru [IPv6:fd00::30a]); Fri, 27 Nov 2015 09:47:57 +0500 (YEKT) X-Spam-Status: No hits=-100.4 bayes=0.0000 testhits AWL=-0.005, BAYES_00=-1.9, RDNS_NONE=0.793, SPF_SOFTFAIL=0.665, USER_IN_WHITELIST=-100 autolearn=no autolearn_force=no version=3.4.0 X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on elf.hq.norma.perm.ru X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Nov 2015 04:48:04 -0000 Hi. On 27.11.2015 01:37, Ivan Klymenko wrote: > On Thu, 26 Nov 2015 14:19:18 +0500 > "Eugene M. Zheganin" 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 ? hard to tell now, since I've managed to solve the problem. If I encounter this again, with the state you mentioned, what could it mean ? Eugene.