From owner-freebsd-questions@FreeBSD.ORG Wed Sep 30 12:55:46 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 533CE106566B for ; Wed, 30 Sep 2009 12:55:46 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: from mail-yx0-f201.google.com (mail-yx0-f201.google.com [209.85.210.201]) by mx1.freebsd.org (Postfix) with ESMTP id 06E458FC1C for ; Wed, 30 Sep 2009 12:55:45 +0000 (UTC) Received: by yxe39 with SMTP id 39so6829525yxe.8 for ; Wed, 30 Sep 2009 05:55:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=IZT92vuPnEx9m+ZxDqyAqWrjDPLbsTTBTz110DTZLTM=; b=A9oGRfR96VvRzr6H3c1+x+Qc5Yfx0GEOr9OPBvvL7zGtJMy8oJnL5fZbBwBxNaqyy1 7aXDCpRa1pasqQqm2PNLpc1bE2E5b6aCZOhDujdHvl6tpiCz5KvxTXcrEO/Wq4R9zW6s /qcPro6HbY9vi28cP4g8bk8+1hvXEtVJYc6XM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=LBJnIgoj/muZYmxr6Ghci71GLOp7Y4EAtI6375y93+0bn5zvL72mQP4OfBvNbH2e6J HdjPbrd+iTZioY8wZ83KFucElWv2Ehad77QgytypGb9PW8o9meGqxV6wpwJRMlANAPgD lDoDTJka4lmi8X9QkI48eeNZTNXYOd3uzFlmA= MIME-Version: 1.0 Received: by 10.150.89.3 with SMTP id m3mr11072976ybb.186.1254315345387; Wed, 30 Sep 2009 05:55:45 -0700 (PDT) In-Reply-To: <4AC326DA.1070005@chamonix.reportlab.co.uk> References: <4AC07E69.30800@chamonix.reportlab.co.uk> <6201873e0909280710n2a5fc7beo99706e1b87080f73@mail.gmail.com> <4AC0D9CF.6000309@chamonix.reportlab.co.uk> <6201873e0909281056m1660351arc38c5faa975fef02@mail.gmail.com> <4AC326DA.1070005@chamonix.reportlab.co.uk> Date: Wed, 30 Sep 2009 07:55:45 -0500 Message-ID: <6201873e0909300555x3721c3ccq45c604bd28c1f8c@mail.gmail.com> From: Adam Vande More To: Robin Becker Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-questions@freebsd.org Subject: Re: fix remote degraded gmirror X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Sep 2009 12:55:46 -0000 On Wed, Sep 30, 2009 at 4:37 AM, Robin Becker wrote: > ......... > >> >> a simple >> >> dd if=/dev/zero of=/dev/adX bs=1M count=1 >> >> would fix that if nothing else >> >> if there's was no existing label, there is nothing to do except gmirror >> man >> instructions. Gmirror is block level mirroring which why no other steps >> are >> needed. >> >> well now I really need advice, the data centre guy successfully inserted > another disk in the right place and it appears to be the same model. > However, smartctl -a /dev/ad4 seems to show a number of errors and many of > the indicators are prefail or old_age. > > In addition the disk doesn't have exactly the same length so when I tried > to insert gmirror complains that it is too small. > > What are my options? > -- > Robin Becker > This has been answered already but you should be aware that when using gmirror, your back disk should either be the same model or bigger as hard drive capacities differ between manufacturers. As in Seagate 250GB ~= WD 250GB. So this is not an uncommon problem. -- Adam Vande More