From owner-freebsd-stable@FreeBSD.ORG Sun Oct 25 22:51:26 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 75E30106566B for ; Sun, 25 Oct 2009 22:51:26 +0000 (UTC) (envelope-from rnoland@FreeBSD.org) Received: from gizmo.2hip.net (gizmo.2hip.net [64.74.207.195]) by mx1.freebsd.org (Postfix) with ESMTP id 2490F8FC16 for ; Sun, 25 Oct 2009 22:51:25 +0000 (UTC) Received: from [192.168.1.4] (adsl-150-102-19.bna.bellsouth.net [72.150.102.19]) (authenticated bits=0) by gizmo.2hip.net (8.14.3/8.14.3) with ESMTP id n9PMpMCE019207 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Sun, 25 Oct 2009 18:51:23 -0400 (EDT) (envelope-from rnoland@FreeBSD.org) From: Robert Noland To: Kris Weston In-Reply-To: <72d267bc0910250944y298d9535x9eac8cf9ba7a9b27@mail.gmail.com> References: <72d267bc0910210511t4a54ce3dm1490fec593377a44@mail.gmail.com> <1256303940.2283.15.camel@balrog.2hip.net> <72d267bc0910250944y298d9535x9eac8cf9ba7a9b27@mail.gmail.com> Content-Type: multipart/mixed; boundary="=-jTyFCLYYyabgYp5o2B1D" Organization: FreeBSD Date: Sun, 25 Oct 2009 17:51:17 -0500 Message-Id: <1256511077.2502.181.camel@balrog.2hip.net> Mime-Version: 1.0 X-Mailer: Evolution 2.26.3 FreeBSD GNOME Team Port X-Spam-Status: No, score=-1.8 required=5.0 tests=AWL,BAYES_00, RCVD_IN_SORBS_DUL, RDNS_DYNAMIC, SPF_SOFTFAIL autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on gizmo.2hip.net Cc: freebsd-stable@freebsd.org Subject: Re: i am desperate over some GPT tables X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 25 Oct 2009 22:51:26 -0000 --=-jTyFCLYYyabgYp5o2B1D Content-Type: text/plain Content-Transfer-Encoding: 7bit On Sun, 2009-10-25 at 16:44 +0000, Kris Weston wrote: > hi Robert appreciate you having a look at this, > if you need any funny noises ever, give us a shout :) > i really dont know what to do as i dont have a spare box to try out solaris > on and solaris wont boot fully here... > i did manage to export the drives from solaris first so all *should* be > well... > there are three disks in the set ad4,ad6,ad8 > terrabyte each - they are supposed to be two mirrors but one disk went down > should still work though - well was working in solaris... > as i said before it at least could read the pools from freebsd before but > something has happened now where it wont... > > i think 4+6 are a mirror... > let me know if you can shed any light... > out of interest - how do you look at these dumps ? and what are you looking > for ? Ok, we have a couple of options.... What I have done so far is to hex edit your GPT headers, though technically they are valid. Sector 2 is the GPT header and normally the header length is recorded as 92 bytes. Yours claim that the header it 512 bytes or the entire sector. The crc32 value is calculated based on byte 0 - header size. Our GPT code is performing the crc comparison based on the 92 valid bytes in the header along with 512 - 92 bytes of random memory, so the header crc fails and GEOM refuses the header. We need to fix the GPT code to handle this correctly, so you can give me a little time to fix it correctly, or we can just fix your existing GPT headers to work with our code... Before: GEOM: md6: corrupt or invalid GPT detected. GEOM: md6: GPT rejected -- may not be recoverable. After: GEOM: md6: the secondary GPT table is corrupt or invalid. GEOM: md6: using the primary only -- recovery suggested. => 34 1953525101 md6 GPT (466T) 34 222 - free - (111K) 256 1953508495 1 !6a898cc3-1dd2-11b2-99a6-080020736631 (932G) 1953508751 16384 9 !6a945a3b-1dd2-11b2-99a6-080020736631 (8.0M) Hopefully I don't need to tell you proceed with caution here, but if you want to rewrite the headers, I've attached 6 files which contain the modified primary and secondary headers. The seek values below for the secondary header are calculated for your drive. Make sure that you use the correct header for the correct drive and pri/sec. dd if=headeradX-pri.dmp of=/dev/adX bs=512 seek=1 dd if=headeradX-sec.dmp of=/dev/adX bs=512 seek=1953525167 robert. > thanks > > Kris > -- > > )) > (( > c[_] > > > 2009/10/23 Robert Noland > > > On Wed, 2009-10-21 at 13:11 +0100, Kris Weston wrote: > > > been looking for months now, trawled google no help, i just dont > > understand. > > > do you need a GPT table with zfs ? > > > i have a pentium D 3ghz (running 64bit stable 7.2) and i cant seem to > > import > > > my zpool into it > > > exported fine on solaris , its definitely the same version (v13) > > > but when i import into zfs it says GPT tables corrupt ? > > > why ? and what does this mean ? > > > please help me. pleeeeease. > > > > Send me the fist 34 sectors of the disk and I will try to take a look. > > > > dd if= of=header.dmp bs=512 count=34 > > > > robert. > > > > > -- > > > > > > )) > > > (( > > > c[_] > > > _______________________________________________ > > > freebsd-stable@freebsd.org mailing list > > > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > > > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org > > " > > -- > > Robert Noland > > FreeBSD > > > > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" -- Robert Noland FreeBSD --=-jTyFCLYYyabgYp5o2B1D Content-Disposition: attachment; filename="headerad4-pri.dmp" Content-Type: application/octet-stream; name="headerad4-pri.dmp" Content-Transfer-Encoding: base64 RUZJIFBBUlQAAAEAXAAAAEbQMF8AAAAAAQAAAAAAAACvbXB0AAAAACIAAAAAAAAAjm1wdAAAAAC7 7oU/ba1HNamP29qfNAoUAgAAAAAAAAAJAAAAgAAAAOr89nUAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= --=-jTyFCLYYyabgYp5o2B1D Content-Disposition: attachment; filename="headerad4-sec.dmp" Content-Type: application/octet-stream; name="headerad4-sec.dmp" Content-Transfer-Encoding: base64 RUZJIFBBUlQAAAEAXAAAAKRorfwAAAAAr21wdAAAAAABAAAAAAAAACIAAAAAAAAAjm1wdAAAAAC7 7oU/ba1HNamP29qfNAoUj21wdAAAAAAJAAAAgAAAAOr89nUAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= --=-jTyFCLYYyabgYp5o2B1D Content-Disposition: attachment; filename="headerad6-pri.dmp" Content-Type: application/octet-stream; name="headerad6-pri.dmp" Content-Transfer-Encoding: base64 RUZJIFBBUlQAAAEAXAAAAKqFhMMAAAAAAQAAAAAAAACvbXB0AAAAACIAAAAAAAAAjm1wdAAAAAAG IlhWdrtKfqeG8j6VaDMXAgAAAAAAAAAJAAAAgAAAACqQTPkAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= --=-jTyFCLYYyabgYp5o2B1D Content-Disposition: attachment; filename="headerad6-sec.dmp" Content-Type: application/octet-stream; name="headerad6-sec.dmp" Content-Transfer-Encoding: base64 RUZJIFBBUlQAAAEAXAAAAEg9GWAAAAAAr21wdAAAAAABAAAAAAAAACIAAAAAAAAAjm1wdAAAAAAG IlhWdrtKfqeG8j6VaDMXj21wdAAAAAAJAAAAgAAAACqQTPkAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= --=-jTyFCLYYyabgYp5o2B1D Content-Disposition: attachment; filename="headerad8-pri.dmp" Content-Type: application/octet-stream; name="headerad8-pri.dmp" Content-Transfer-Encoding: base64 RUZJIFBBUlQAAAEAXAAAALRJqHkAAAAAAQAAAAAAAACvbXB0AAAAACIAAAAAAAAAjm1wdAAAAAAm bdyazyNDQqXbnYyyHpcuAgAAAAAAAAAJAAAAgAAAAKt6EkcAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= --=-jTyFCLYYyabgYp5o2B1D Content-Disposition: attachment; filename="headerad8-sec.dmp" Content-Type: application/octet-stream; name="headerad8-sec.dmp" Content-Transfer-Encoding: base64 RUZJIFBBUlQAAAEAXAAAAFbxNdoAAAAAr21wdAAAAAABAAAAAAAAACIAAAAAAAAAjm1wdAAAAAAm bdyazyNDQqXbnYyyHpcuj21wdAAAAAAJAAAAgAAAAKt6EkcAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= --=-jTyFCLYYyabgYp5o2B1D--