From owner-freebsd-questions@FreeBSD.ORG Sat Sep 10 20:42:45 2011 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 52E16106564A for ; Sat, 10 Sep 2011 20:42:45 +0000 (UTC) (envelope-from joh.hendriks@gmail.com) Received: from mail-ey0-f172.google.com (mail-ey0-f172.google.com [209.85.215.172]) by mx1.freebsd.org (Postfix) with ESMTP id D30708FC0A for ; Sat, 10 Sep 2011 20:42:44 +0000 (UTC) Received: by eye4 with SMTP id 4so1839499eye.31 for ; Sat, 10 Sep 2011 13:42:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=bnj1oHiQ6YGrUqHoaMcMceS1pLzNoHETQdXZxXYtv9Y=; b=X+t3Tz/GBPjGxyB2rRP93mKpy+oXH4lSn7qPyhRq11H9nteMITPd1E7iWxW9ovPSm9 L18fvxgz4KPj7wMI3ZA/f5n0eruGdcp/tLckdQLi/AGj/v848KP+s2PdBy+R7YY/041Y 39Kj7DEsnC7rmpafqQ2ZwqMlLTK13wvqBYG+0= Received: by 10.213.21.194 with SMTP id k2mr1123359ebb.53.1315687363421; Sat, 10 Sep 2011 13:42:43 -0700 (PDT) Received: from [192.168.1.12] (5ED0E470.cm-7-1d.dynamic.ziggo.nl [94.208.228.112]) by mx.google.com with ESMTPS id v9sm10595213eej.5.2011.09.10.13.42.41 (version=SSLv3 cipher=OTHER); Sat, 10 Sep 2011 13:42:42 -0700 (PDT) Message-ID: <4E6BCBBF.7000802@gmail.com> Date: Sat, 10 Sep 2011 22:42:39 +0200 From: Johan Hendriks User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:6.0.2) Gecko/20110902 Thunderbird/6.0.2 MIME-Version: 1.0 To: Fbsd8 References: <4E6B8EB0.8070303@a1poweruser.com> <4E6BB629.9010205@gmail.com> <4E6BC5B2.9020902@a1poweruser.com> In-Reply-To: <4E6BC5B2.9020902@a1poweruser.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: returning to 8.2 from 9.0 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: Sat, 10 Sep 2011 20:42:45 -0000 Fbsd8 schreef: > Johan Hendriks wrote: >> Fbsd8 schreef: >>> Have test pc. Been running 8.2 just fine. Installed 9.0 from cd and >>> after playing around tried to reinstall 8.2. Got error about GTP >>> table while trying to setup the HD. Used 8.0 livecd to >>> "dd if=/del/zero of=/dev/ad0 count=5 to wipe the start of the HD clean. >>> Now 8.2 install issues this msg >>> GEOM: ad0: the primary GPT table is corrupt or invalid. >>> >>> How do I fix the HD so 8.2 will install? >>> _______________________________________________ >>> 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" >> maybe this little script helps you. >> http://wiki.freenas.org/faq:0129 >> >> It helped me in several situations. >> >> If that does not do the job, you could try dban disknuke that will >> wipe the disk completely >> >> regards, >> Johan Hendriks >> >> > > > diskinfo da0 > > says Device not configured > > I all ready did "dd if=/dev/zero of=/dev/da0 count=2 to wipe the > front of the disk. i now see two different things? dd if=/del/zero of=/dev/ad0 count=5 dd if=/dev/zero of=/dev/da0 count=2 first your disk is adx and the second time it is dax Make sure you use the right disk. There is also a part add the end of the disk that needs to be wiped, not only the start of the disk. regards, Johan Hendriks