From owner-freebsd-fs@FreeBSD.ORG Tue Apr 14 00:19:42 2015 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 5F65C56B for ; Tue, 14 Apr 2015 00:19:42 +0000 (UTC) Received: from mail-wi0-f180.google.com (mail-wi0-f180.google.com [209.85.212.180]) (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 E8A3AF84 for ; Tue, 14 Apr 2015 00:19:41 +0000 (UTC) Received: by wiun10 with SMTP id n10so3350092wiu.1 for ; Mon, 13 Apr 2015 17:19:34 -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 :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=UkR2QlpyolncqtoTCXYxTwLHbJkjHTftr0fcFqStJWU=; b=iuf2CxST33y6OahnzeX2PkJ6TalZxQpneijA1Y4VQF7U+fm/wvb/b/Mrk709xyxK0s +XmxSb1vBFBGn2YrzFU6uw5wzbKgoE+efUOnM4hCzqDVHGZDsjtzkjXbSj6aG3KHcPcS mphAXUU4IsKApSfxKxL6Zy7O0bNhlX+SCZMd2rZA0/gkv/JdnGI7RILT7ZVfgyS0MOEe HMfAyO+OQj7VKVmDxsO1sRqoc029meT5W0B4YSpe65YtHQ4LtO+l8Fa1QgqcAwYERHqC /dT51M6hmveCB6aeFIy4PBKuqtHTuZL+biWizD5ZVkx0KRKlepzM5ZlTOCBxrsIHOIpd JLew== X-Gm-Message-State: ALoCoQlHAggRmk8S5sksU59Q9JjdSpiMPYp/JnHJPSszwgZ/otesQg1Cv8d6rYhIIPcxLptayvkF X-Received: by 10.194.6.228 with SMTP id e4mr32952751wja.63.1428970774602; Mon, 13 Apr 2015 17:19:34 -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 l10sm13540513wje.15.2015.04.13.17.19.33 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 13 Apr 2015 17:19:33 -0700 (PDT) Message-ID: <552C5D1C.4090708@multiplay.co.uk> Date: Tue, 14 Apr 2015 01:19:40 +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: freebsd-fs@freebsd.org Subject: Re: [Bug 195746] zfs L2ARC wrong alloc/free size References: In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Apr 2015 00:19:42 -0000 There is a know upstream issue regarding L2ARC accounting see: https://reviews.csiden.org/r/175/ On 13/04/2015 15:58, bugzilla-noreply@freebsd.org wrote: > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=195746 > > gkontos@aicom.gr changed: > > What |Removed |Added > ---------------------------------------------------------------------------- > CC| |gkontos@aicom.gr > > --- Comment #2 from gkontos@aicom.gr --- > I have exactly the same problem with 2X Intel DC S3500 Series 600GB > > ------------------------------------------------------------------------ > ZFS Subsystem Report Mon Apr 13 10:56:52 2015 > ------------------------------------------------------------------------ > > L2 ARC Summary: (DEGRADED) > Passed Headroom: 69.29m > Tried Lock Failures: 316.43k > IO In Progress: 86 > Low Memory Aborts: 648 > Free on Write: 1.01m > Writes While Full: 202.57k > R/W Clashes: 1.32k > Bad Checksums: 17.34m > IO Errors: 3.23m > SPA Mismatch: 49.06m > > L2 ARC Size: (Adaptive) 3.21 TiB > Header Size: 0.19% 6.21 GiB > > L2 ARC Evicts: > Lock Retries: 146 > Upon Reading: 0 > > L2 ARC Breakdown: 103.52m > Hit Ratio: 34.77% 35.99m > Miss Ratio: 65.23% 67.53m > Feeds: 1.28m > > L2 ARC Buffer: > Bytes Scanned: 116.31 TiB > Buffer Iterations: 1.28m > List Iterations: 78.60m > NULL List Iterations: 2.68m > > L2 ARC Writes: > Writes Sent: 100.00% 620.76k > ------------------------------------------------------------------------ > > > NAME STATE READ WRITE CKSUM > storage ONLINE 0 0 0 > raidz2-0 ONLINE 0 0 0 > multipath/disk1 ONLINE 0 0 0 > multipath/disk2 ONLINE 0 0 0 > multipath/disk25 ONLINE 0 0 0 > multipath/disk4 ONLINE 0 0 0 > multipath/disk5 ONLINE 0 0 0 > multipath/disk6 ONLINE 0 0 0 > raidz2-1 ONLINE 0 0 0 > multipath/disk7 ONLINE 0 0 0 > multipath/disk8 ONLINE 0 0 0 > multipath/disk9 ONLINE 0 0 0 > multipath/disk26 ONLINE 0 0 0 > multipath/disk11 ONLINE 0 0 0 > multipath/disk12 ONLINE 0 0 0 > raidz2-2 ONLINE 0 0 0 > multipath/disk13 ONLINE 0 0 0 > multipath/disk14 ONLINE 0 0 0 > multipath/disk15 ONLINE 0 0 0 > multipath/disk16 ONLINE 0 0 0 > multipath/disk17 ONLINE 0 0 0 > multipath/disk18 ONLINE 0 0 0 > raidz2-3 ONLINE 0 0 0 > multipath/disk19 ONLINE 0 0 0 > multipath/disk20 ONLINE 0 0 0 > multipath/disk21 ONLINE 0 0 0 > multipath/disk22 ONLINE 0 0 0 > multipath/disk23 ONLINE 0 0 0 > multipath/disk24 ONLINE 0 0 0 > logs > mirror-4 ONLINE 0 0 0 > gpt/zil0 ONLINE 0 0 0 > gpt/zil1 ONLINE 0 0 0 > cache > gpt/cache0 ONLINE 0 0 0 > gpt/cache1 ONLINE 0 0 0 > spares > multipath/disk3 AVAIL > multipath/disk27 AVAIL > multipath/disk28 AVAIL > multipath/disk10 AVAIL >