Date: Sat, 27 Oct 2001 18:59:14 +0200 (CEST) From: Alexander Leidinger <Alexander@Leidinger.net> To: ken@kdm.org Cc: scsi@FreeBSD.ORG Subject: Re: repeating medium errors and error from "camcontrol defects" Message-ID: <200110271659.f9RGxFr03949@Magelan.Leidinger.net> In-Reply-To: <20011026111106.A52864@panzer.kdm.org>
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On 26 Okt, Kenneth D. Merry wrote: (Please keep me in the CC.) [...] >> What did I wrong with camcontrol and what can I do to get rid of those >> errors? Do I have to replace the disk or the cable? > > As someone else already suggested, you should try using the 'phys' defect > format, as many drives don't support the block format. Yes, this works. > As for the errors, they mean you have a bad block. Replacing the cable > won't really affect the problem. You may want to look into getting a new > drive, though, since medium errors typically indicate the drive is on its > way out. It shows 285 defects with -P and 0 with -G. I thougth I have to replace it, when the -G list grows too fast, and not already if it just shows one error. > To fix this particular bad block, what you should do is make sure read > and write reallocation are turned on in mode page 1: > > camcontrol modepage da0 -m 1 -e -P 3 > > will allow you to edit the saved parameters and enable read and write > reallocation. Already turned on. > Then, write zeroes to the bad block to force the drive to remap it. Is there a way to determine the file which is affected? I didn't want just wrote zeros to it if I didn't know which file this affects. Maybe I'm able to replace the file from a backup after or before overwritting the block . Bye, Alexander. -- The best things in life are free, but the expensive ones are still worth a look. http://www.Leidinger.net Alexander @ Leidinger.net GPG fingerprint = C518 BC70 E67F 143F BE91 3365 79E2 9C60 B006 3FE7 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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