From owner-freebsd-questions@FreeBSD.ORG Sat Sep 10 22:55:32 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 D600E106564A for ; Sat, 10 Sep 2011 22:55:32 +0000 (UTC) (envelope-from fbsd8@a1poweruser.com) Received: from mail-03.name-services.com (mail-03.name-services.com [69.64.155.195]) by mx1.freebsd.org (Postfix) with ESMTP id BA8108FC08 for ; Sat, 10 Sep 2011 22:55:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; q=dns/txt; s=DKIM-NAME-SERVICES; d=a1poweruser.com; h=From:To:Cc:Subject:Message-ID:X-Sender:X-Envelope-From; l=500; bh=uwPGB2rt6zsi7cWlwR/JNBJoWCR2AdoWt23M6oADucw=; b=g7nSDz8FtZ5/yR5Fhpkg6WcrDCm7zcd9GJvL54eNmXNeSHnZ6Vr952LySpITGEjszvU9QmiTI18n69QRiKj2b0wEbIQsazpBC6OUW6ceHsxnwc/jzhhx7LwwxSJkA8qYJj/K+iLavGjH4JCEJWX80Is7PqmS/6//K/LUTrG0HxE= Received: from [192.168.1.64] ([76.240.47.196]) by mail-03.name-services.com with Microsoft SMTPSVC(6.0.3790.4675); Sat, 10 Sep 2011 15:55:32 -0700 Message-ID: <4E6BEAE3.10402@a1poweruser.com> Date: Sat, 10 Sep 2011 18:55:31 -0400 From: Fbsd8 User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) MIME-Version: 1.0 To: Johan Hendriks References: <4E6B8EB0.8070303@a1poweruser.com> <4E6BB629.9010205@gmail.com> <4E6BC5B2.9020902@a1poweruser.com> <4E6BCBBF.7000802@gmail.com> In-Reply-To: <4E6BCBBF.7000802@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 10 Sep 2011 22:55:32.0846 (UTC) FILETIME=[BEB6A0E0:01CC700C] X-Sender: fbsd8@a1poweruser.com X-Envelope-From: fbsd8*a1poweruser.com 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 22:55:32 -0000 Johan Hendriks wrote: > 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 > > > Thanks that little script at http://wiki.freenas.org/faq:0129 did the trick.