Date: Mon, 18 Aug 1997 07:32:29 +0200 From: j@uriah.heep.sax.de (J Wunsch) To: ian@gamespot.com (Ian Kallen) Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: dead disk Message-ID: <19970818073229.DO12056@uriah.heep.sax.de> In-Reply-To: <Pine.BSF.3.95q.970817213738.6917B-100000@ns2.gamespot.com>; from Ian Kallen on Aug 17, 1997 21:48:54 -0700 References: <Pine.BSF.3.95q.970817213738.6917B-100000@ns2.gamespot.com>
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As Ian Kallen wrote: > Aug 18 04:34:59 scorn /kernel: sd3(ahc0:3:0): MEDIUM ERROR info:0x50033 > csi:1,79,7,3b asc:16,0 Data synchronization mark error > field replaceable unit: 15 > So is all hope lost for this disk? Did you turn on automatic error recovery? It's on mode page 1 (see scsi(8)). If you turn it on right now, you can't fix the old errors unless you overwrite the bad block (0x50033, block number from the beginning of the device). If this doesn't help either, you can still try backing it up. I think dump(8) is fairly forgiving if a medium has a few bad spots only. Also, problems of this kind are often temperature-related, so cooling the drive down could get you at least the desired backup. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)
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