From owner-freebsd-fs@FreeBSD.ORG Wed May 20 19:40:22 2015 Return-Path: Delivered-To: freebsd-fs@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 04C73A1A; Wed, 20 May 2015 19:40:22 +0000 (UTC) Received: from mail-wi0-x230.google.com (mail-wi0-x230.google.com [IPv6:2a00:1450:400c:c05::230]) (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 9FFE61C4E; Wed, 20 May 2015 19:40:21 +0000 (UTC) Received: by wicmx19 with SMTP id mx19so166598187wic.0; Wed, 20 May 2015 12:40:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=v89E/u2S2gkhXndX+AkJZ5nRkFyy0ZsWHruq8NUN708=; b=GE3tn0qWp4P2RePbdPfg+J4uoQfpF3BKP/vGw/8hdrpywi85LXGqtAuc/ILvM+SkJU UQLpyPElfbuW+S5SVf422AFGrNONx1bU6JxecVYf9hnbm8xY/xjNpGlx1TwrHgA6FYlP nZT84lrv9ZEMteFAf7CIBZL1jbdZNaOzci6WqVc8bGfiuALBo56a6vlDjSjqGmEV7+Pc FmMT0EHw2wmB8j5FyuRbpx9fFO7aAJmYC/mLqPWMk1dyyMMS73Qbp471h0B93cOU8/NZ eF1Lfjet7Sfvyy1kLjaVuHsbN0GCd2jQUV3U6t7lT9wAGzsOm26qyOBozhSxe2uvpDgm a+Vw== MIME-Version: 1.0 X-Received: by 10.194.82.38 with SMTP id f6mr64894131wjy.16.1432150820175; Wed, 20 May 2015 12:40:20 -0700 (PDT) Received: by 10.28.30.22 with HTTP; Wed, 20 May 2015 12:40:20 -0700 (PDT) In-Reply-To: <68854ba9-1852-4a2c-b329-f3fecee176b6@email.android.com> References: <68854ba9-1852-4a2c-b329-f3fecee176b6@email.android.com> Date: Wed, 20 May 2015 22:40:20 +0300 Message-ID: Subject: Re: L2ARC degraded. Checksum errors, I/O errors From: George Kontostanos To: =?UTF-8?Q?Karli_Sj=C3=B6berg?= Cc: "freebsd-fs@freebsd.org" , freebsd-stable Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.20 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: Wed, 20 May 2015 19:40:22 -0000 On Wed, May 20, 2015 at 9:53 PM, Karli Sj=C3=B6berg = wrote: > > Den 20 maj 2015 7:50 em skrev Slawa Olhovchenkov : > > > > On Wed, May 20, 2015 at 07:17:44PM +0300, George Kontostanos wrote: > > > > > Hello, > > > > > > Appologies if that has been asked before. I was wondering if the > following > > > bug has been addressed so far: > > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D198242 > > > > As I know > > > > kstat.zfs.misc.arcstats.l2_cksum_bad: 14495 > > kstat.zfs.misc.arcstats.l2_io_error: 12877 > > > > caused by hardware failure on L2ARC device. > > try replace it. > > Hardly. We are seeing this phenomenon on all of your ZFS storage's, where > some of the L2ARC's are new, so I'd be very surprised if these are real > hardware failures. That, as well as being reported by so many, my vote is > on bug. > > @gkontos > Thanks for bringing this to attention, I'm also interested in hearing if > anyone's working on this. > > /K > Thanks, I am ignoring the previous comment as it makes no real sense. > > _______________________________________________ > > freebsd-fs@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" > --=20 George Kontostanos ---