Date: Sun, 28 Nov 2004 22:25:29 +0100 From: Michael Nottebrock <michaelnottebrock@gmx.net> To: Peter Jeremy <peter.jeremy@alcatel.com.au> Cc: freebsd-stable@freebsd.org Subject: Re: help! bad filesystem summary trashes system Message-ID: <200411282225.36617.michaelnottebrock@gmx.net> In-Reply-To: <20041128210746.GN32181@gsmx07.alcatel.com.au> References: <200411282144.56438.michaelnottebrock@gmx.net> <20041128210746.GN32181@gsmx07.alcatel.com.au>
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[-- Attachment #1 --] On Sunday, 28. November 2004 22:07, Peter Jeremy wrote: > On 2004-Nov-28 21:44:53 +0100, Michael Nottebrock <michaelnottebrock@gmx.net> wrote: > >Somehow my /usr filesystem ended up being corrupted in such a way that > > it's now recognized as 11 terabytes big and with -11tb free... > > What happened beforehand? Was this after a clean shutdown, normal crash, > power failure or what? I can't really tell. I noticed something was wrong when the system started to hang when trying to bring the network interfaces up (I have background fsck-enabled, so the bad /usr partition got mounted and as a result, dhclient just hangs, like anything else). > You could try using dumpfs(8) to look at the super block contents. > > Have you tried telling fsck to use an alternate super block (-b option)? I found an alternate superblock at 128, but using it gives the same error. > If it's just a glitch that's affected the primary super block, this > should work. If the in-core data got corrupted and has been written to > all the superblocks, you might need to play with a filesystem editor. Can you suggest such an editor (and possibly give some hints what exactly to do with it)? -- ,_, | Michael Nottebrock | lofi@freebsd.org (/^ ^\) | FreeBSD - The Power to Serve | http://www.freebsd.org \u/ | K Desktop Environment on FreeBSD | http://freebsd.kde.org [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQBBqkJQXhc68WspdLARApa6AKCH9bXOEbAM0mk9dbj1VqyWx2esYQCeKc7L jzULWQFG1hi5leIYVHdKJOI= =hrYx -----END PGP SIGNATURE-----
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