From owner-freebsd-fs@FreeBSD.ORG Wed Oct 1 12:28:35 2014 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 D2F0EE1D for ; Wed, 1 Oct 2014 12:28:35 +0000 (UTC) Received: from mail-wi0-x231.google.com (mail-wi0-x231.google.com [IPv6:2a00:1450:400c:c05::231]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 6EDD4CE7 for ; Wed, 1 Oct 2014 12:28:35 +0000 (UTC) Received: by mail-wi0-f177.google.com with SMTP id ho1so373864wib.16 for ; Wed, 01 Oct 2014 05:28:33 -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=7kFE+OdD1nynd/1qaHraaRtq1VLFKNCczJa7tjATB6E=; b=r21VonK6QOhFWCfi3zsgNTpHl4H+iBfNNPnyuWkwO83BSnheaGFcRFy5TsAyIa3o1R 9CvJ0X5Wtd0Klv9w5qj1CGOaWcl9s8C7ynRW8zW4iDNltUUCJICLDOIVWTsg8IyJpMyw GNesuewSZ4JgfM44B/1W5+/K0W15CuMA40qKUNM2Bnsce9op07468xa/X74k/N7NqXo8 NQSssvLi9RpJt7QDPqEzWTjhSUto1NfZSfbr8lkkYyPK8alniJ8O3Kd1fqsgo99ZGZLH 9BbexyKX2uNp47XefBZuatU+sDRNDgKwldQKReR+yzOh1BNlMtkVAn2I7HZcXxSC1qQp qIbA== MIME-Version: 1.0 X-Received: by 10.194.189.82 with SMTP id gg18mr2573323wjc.2.1412166513730; Wed, 01 Oct 2014 05:28:33 -0700 (PDT) Received: by 10.27.137.130 with HTTP; Wed, 1 Oct 2014 05:28:33 -0700 (PDT) In-Reply-To: <542BDDB3.8080805@internetx.com> References: <542BC135.1070906@Skynet.be> <542BDDB3.8080805@internetx.com> Date: Wed, 1 Oct 2014 15:28:33 +0300 Message-ID: Subject: Re: HAST with broken HDD From: George Kontostanos To: jg@internetx.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.18-1 Cc: freebsd-fs@freebsd.org, JF-Bogaerts X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Oct 2014 12:28:36 -0000 On Wed, Oct 1, 2014 at 1:55 PM, InterNetX - Juergen Gotteswinter < jg@internetx.com> wrote: > Am 01.10.2014 um 10:54 schrieb JF-Bogaerts: > > Hello, > > I'm preparing a HA NAS solution using HAST. > > I'm wondering what will happen if one of disks of the primary node > will > > fail or become erratic. > > > > Thx, > > Jean-Fran=C3=A7ois Bogaerts > > nothing. if you are using zfs on top of hast zfs wont even take notice > about the disk failure. > > as long as the write operation was sucessfull on one of the 2 nodes, > hast doesnt notify the ontop layers about io errors. > > interesting concept, took me some time to deal with this. > > > Are you saying that the pool will appear to be optimal even with a bad drive?