From owner-freebsd-questions@FreeBSD.ORG Thu Jul 18 22:13:15 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id C80626F9 for ; Thu, 18 Jul 2013 22:13:15 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: from mail-wg0-x22c.google.com (mail-wg0-x22c.google.com [IPv6:2a00:1450:400c:c00::22c]) by mx1.freebsd.org (Postfix) with ESMTP id 636A3C13 for ; Thu, 18 Jul 2013 22:13:15 +0000 (UTC) Received: by mail-wg0-f44.google.com with SMTP id m15so3359266wgh.23 for ; Thu, 18 Jul 2013 15:13:14 -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=RF+qu8nGSLRRJruAOkjTq4ZQY3hOof0aAl/ZgYeR2C4=; b=ZB/tQ35WhcJOfuyl8qSwn8JxaZBtyURfSukfujEPgchdrQvEL4hxNEu4WbKeRjmXBa Tj/h5Pd/U5+grDTW3hRJss8Gx0/2JWqpLb6Wgmk4jO3CMorqrlag2xfhRrlCbu5jDM6q dCjMsyHfxzFIWbnUKxbJwJB5kaIjiXotgH4djGCd3ZsvLZF0rtiDmBYvM+85roYjB/Mx VjPMLqgAkbb/OpqzJa07Qnj893RL/kO+hAU50VLeAS9+e7V+wyg5BY7a3zypuXk8UA1Q n+zRYCG2Qe6dpk+nnpDZc1cFXJk+ZVy0PraJWfPysqnieYe4WxPj8ckg9MEUuWMrVKJ7 is+A== MIME-Version: 1.0 X-Received: by 10.194.84.205 with SMTP id b13mr9759209wjz.92.1374185594476; Thu, 18 Jul 2013 15:13:14 -0700 (PDT) Received: by 10.194.103.41 with HTTP; Thu, 18 Jul 2013 15:13:14 -0700 (PDT) In-Reply-To: References: Date: Thu, 18 Jul 2013 17:13:14 -0500 Message-ID: Subject: Re: does journaling cause DMA-WRITE failure? From: Adam Vande More To: s m Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: freebsd-questions X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Jul 2013 22:13:15 -0000 On Thu, Jul 18, 2013 at 9:26 AM, s m wrote: > i have two question: does journaling cause to happen these errors? Perhaps indirectly as increased load on a flaky disk/driver can cause these. Mostly likely you have a failing drive though. > and if i > set hw.ata.ata_dma to 0, is it resolve the problem? Not resolve, perhaps workaround > if yes, has it any side > effect or not? > As for the third question, yes it will dramatically decrease disk io speed unless it's already slow because it's failing. > > any comments or hints are really appreciated. > SAM > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to " > freebsd-questions-unsubscribe@freebsd.org" > -- Adam Vande More