Date: Mon, 28 Nov 2005 03:14:40 -0500 From: Kris Kennaway <kris@obsecurity.org> To: Mike Spooner <spooner@scripps.edu> Cc: freebsd-stable@freebsd.org Subject: Re: power outage Message-ID: <20051128081440.GB14374@xor.obsecurity.org> In-Reply-To: <Pine.GSO.4.44.0511272236570.3568-100000@two40z.scripps.edu> References: <Pine.GSO.4.44.0511272236570.3568-100000@two40z.scripps.edu>
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[-- Attachment #1 --] On Mon, Nov 28, 2005 at 12:05:18AM -0800, Mike Spooner wrote: > I didn't know if I should post this to questions or stable but here it > is... > > We had a power outage and now /home won't mount. Before the power outage > all was fine. Looks like the drive became damaged. Maybe the power spiked (invest in a UPS for next time :) > ad1: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> > LBA=69103423 > > CANNOT READ BLK: 54947584 > ad1: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> > LBA=69103423 > ad1: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> > LBA=69103445 > THE FOLLOWING DISK SECTORS COULD NOT BE READ: 54947584, 54947606, Mount the drive read-only, copy off whatever data you can, and then if you're lucky you may be able to recover the use of the drive if you scrub it with dd if=/dev/zero of=/dev/ad1, but of course this will destroy all data. Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDirxwWry0BWjoQKURAvwOAJwPYQvFeIwACuIL8hbXZelJ3fVT4ACfeo71 jP829lPdT6JJBp6V9Lbzp2o= =SyOh -----END PGP SIGNATURE-----
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