From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Fri, 30 May 2008 10:58:28 -0700 (PDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.168.29]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with ESMTP id m4UHwQtG012427 for ; Fri, 30 May 2008 10:58:26 -0700 Received: from proxy1.bredband.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id DE5E21D2E72 for ; Fri, 30 May 2008 10:59:18 -0700 (PDT) Received: from proxy1.bredband.net (proxy1.bredband.net [195.54.101.71]) by cuda.sgi.com with ESMTP id K4LTbE7QMoXxHDoX for ; Fri, 30 May 2008 10:59:18 -0700 (PDT) Received: from ironport2.bredband.com (195.54.101.122) by proxy1.bredband.net (7.3.127) id 4811823A00B21580 for xfs@oss.sgi.com; Fri, 30 May 2008 19:59:17 +0200 Message-ID: <4840406F.50402@stesmi.com> Date: Fri, 30 May 2008 19:59:11 +0200 From: Stefan Smietanowski MIME-Version: 1.0 Subject: Re: XFS: SB validate failed References: <3607657a0805291005k457791cej1c5f867da0f95965@mail.gmail.com> <483EE5BD.8020407@sandeen.net> <3607657a0805291255i59fd006fi9d6836cf528d19a6@mail.gmail.com> <483F0BC3.2050901@sandeen.net> <3607657a0805291400h3c50165lea6fbea919deed0f@mail.gmail.com> <483F1AED.3010808@sandeen.net> <3607657a0805291446t79808c63l664780c1cbc3d871@mail.gmail.com> <483F907A.3020108@sgi.com> <3607657a0805301019h4a49dc86ne8f1f019629a1c41@mail.gmail.com> In-Reply-To: <3607657a0805301019h4a49dc86ne8f1f019629a1c41@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: Spam Magnet Cc: Timothy Shimmin , Eric Sandeen , xfs@oss.sgi.com Spam Magnet wrote: >> As Eric said. >> We chose the ondisk format to have the byte ordering of IRIX so >> it should not be a problem. However, parts of the log code in Linux >> does not do the necessary endian conversion (due to lack of info at >> the relevant points - it only knows as blobs of data) and so you >> need the log to be clean. i.e. byte ordering problem just for the log. >> > > Thanks for this info, it's good to have 1 less problem to worry about :) > >> OOI, as Eric asked, how were you able to mount it all of a sudden? >> > > I am not sure, as I said, to narrow down the problem I am experiencing > with other disks, I decided to format an empty, healthy disk under Irix and > try to mount it under Linux. The first try was not successful but the > second was. > > Right now I am making an image of the good/healthy disk using dd to > see if I can mount that > image under Linux. (It's not fun to copy 2GB disks through a > USB1.1-SCSI adapter :) > My ultimate goal is to make image of the disks that do have > partition table but refuse to mount under either OS (magic number and > SB validattion failure). > I am hoping I can edit the disk image in order to get the data back. Are you dd'ing the whole disk or just the partition(s) you want ? I recommend just doing the partition(s) into seperate files. I'm uncertain if loopback nowadays handles partitions or not. I know it didn't before but there were patches back then. // Stefan