From owner-freebsd-stable@FreeBSD.ORG Thu May 7 12:00:55 2015 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 3A8595E2 for ; Thu, 7 May 2015 12:00:55 +0000 (UTC) Received: from mail-wg0-f46.google.com (mail-wg0-f46.google.com [74.125.82.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id CB6881ABB for ; Thu, 7 May 2015 12:00:54 +0000 (UTC) Received: by wgyo15 with SMTP id o15so41115230wgy.2 for ; Thu, 07 May 2015 05:00:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :cc:subject:references:in-reply-to:content-type :content-transfer-encoding; bh=3Uat6WaykJOkeVTViHmEpqK4BMnR60hQLI81lI9cq+8=; b=RjsZbEGmftSy3vsuSO/HeKpLFP8V/hvBGaGC9G1vnQBPJXvH3G3DQyEn7jT2DRPLmj gbJTPvGMpXTKg40cMCs2WLQ4ViZfbCaAcuhfXJ38wmohwJTxwTQ8zYdPWMwxNVbQfBVm 0Y3vaAP8itYGyrFVdYpgubQCW9EnWdR3I0UbpEjXritlr3wTY9Ey3rV7/gsWkY4tYd3/ 2WrPeTd34iM4mm8qpvWgm7hjHzL2Ddrp1HJ5auOTH565PEYSMq+1qXmgMGWJZ+X/GGFI rm7wWJCO/BCTFpSOFXpXJGgvUWbh3sYEtirw3HbNDTaxibIPAoRhPQuQRVoF5g4FIjsx +pXA== X-Gm-Message-State: ALoCoQnjBR2sDiRrqTqJCdlDVMJrJ9zenoYVT36xX11bS7uj6qjCRY8Ins8hb0hh5rdNkqOJ8oja X-Received: by 10.194.59.79 with SMTP id x15mr6608397wjq.81.1431000047011; Thu, 07 May 2015 05:00:47 -0700 (PDT) Received: from [10.10.1.68] (82-69-141-170.dsl.in-addr.zen.co.uk. [82.69.141.170]) by mx.google.com with ESMTPSA id l3sm3619817wik.16.2015.05.07.05.00.45 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 07 May 2015 05:00:46 -0700 (PDT) Message-ID: <554B53E8.4000508@multiplay.co.uk> Date: Thu, 07 May 2015 13:00:40 +0100 From: Steven Hartland User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Slawa Olhovchenkov CC: freebsd-stable@freebsd.org Subject: Re: zfs, cam sticking on failed disk References: <20150507080749.GB1394@zxy.spb.ru> <554B2547.1090307@multiplay.co.uk> <20150507095048.GC1394@zxy.spb.ru> <554B40B6.6060902@multiplay.co.uk> <20150507104655.GT62239@zxy.spb.ru> In-Reply-To: <20150507104655.GT62239@zxy.spb.ru> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit 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: Thu, 07 May 2015 12:00:55 -0000 On 07/05/2015 11:46, Slawa Olhovchenkov wrote: > On Thu, May 07, 2015 at 11:38:46AM +0100, Steven Hartland wrote: > >>>>> How I can cancel this 24 requst? >>>>> Why this requests don't timeout (3 hours already)? >>>>> How I can forced detach this disk? (I am lready try `camcontrol reset`, `camconrol rescan`). >>>>> Why ZFS (or geom) don't timeout on request and don't rerouted to da18? >>>>> >>>> If they are in mirrors, in theory you can just pull the disk, isci will >>>> report to cam and cam will report to ZFS which should all recover. >>> Yes, zmirror with da18. >>> I am surprise that ZFS don't use da18. All zpool fully stuck. >> A single low level request can only be handled by one device, if that >> device returns an error then ZFS will use the other device, but not until. > Why next requests don't routed to da18? > Current request stuck on da19 (unlikely, but understund), but why > stuck all pool? Its still waiting for the request from the failed device to complete. As far as ZFS currently knows there is nothing wrong with the device as its had no failures. You didn't say which FreeBSD version you where running? Regards Steve