Date: Wed, 13 Jun 2001 13:49:53 +0100 (BST) From: George Reid <greid@FreeBSD.org> To: Nick Barnes <Nick.Barnes@pobox.com> Cc: questions@FreeBSD.org Subject: Re: interpreting UFS hard error messages Message-ID: <Pine.BSF.4.21.0106131343390.93720-100000@sobek.openirc.co.uk> In-Reply-To: <4464.992432828@thrush.ravenbrook.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, 13 Jun 2001, Nick Barnes wrote: > I know that, and I said as much in my original message. However, this > is not a critical machine and I'm happy to keep it running until the > disk actually dies (in my experience this can be months rather than > days). Also I would like to improve my understanding of the > filesystem and of messages such as this. The message you quoted was NOT a filesystem error message; it was a physical disk error. The same error will occur if you use UFS, ext2fs or any other disk-backed filesystem. It is a message from the ATA system, not the filesystem. If you want to improve your understanding of the filesystem, there are n papers and books detailing various aspects of it. > 4. Are there any tools for exploring a filesystem (e.g. figuring out > which blocks belong to a file, or which file owns a block)? How > about tools for disk verification? I've found dumpfs(8). I don't have time to check your sector calculations, but you may want to check out the diskcheckd project. IIRC you should find it linked from: http://people.freebsd.org/~ben/ -- +-------------------+---------------------+ | George Reid | FreeBSD Committer | | +44 7740 197460 | greid@FreeBSD.org | +-------------------+---------------------+ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.4.21.0106131343390.93720-100000>