*BSD News Article 5483


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From: kuku@acds.physik.rwth-aachen.de (Christoph Kukulies)
Newsgroups: comp.unix.bsd
Subject: bad sector table corrupt
Message-ID: <1992Sep23.174324.16625@Urmel.Informatik.RWTH-Aachen.DE>
Date: 23 Sep 92 17:43:24 GMT
Sender: news@Urmel.Informatik.RWTH-Aachen.DE (Newsfiles Owner)
Reply-To: kuku@acds.physik.rwth-aachen.de
Organization: I.Physikalisches Institut RWTH-Aachen
Lines: 31
Nntp-Posting-Host: acds.physik.rwth-aachen.de


I have a 2 drive IDE system, one WD 2120 and a Maxtor 7120 as a second drive. Everything running fine until today when I wanted to remote copy a 386BSD
distributtion to the second drive (for source patchkit preparation). During the
rcp I suddenly got bad block messages on the console screen in some high 
block number. The system got hung. After resetting and rebooting I was left
in single user mode with a failed fsck on wd1c (I was using wd1c as a /u filesystem). 

As I was unable to fsck the disk again (bad argument) I tried to disklabel it.
surprisingly /sbin/disklabel had permissions r-xr-s--- bin . OK, x for world
would be fatal, but why can't root execute it? Anyway, not as important as the
fact that when I wanted to re-label it I got a message "bad sector table corrupt". While I'm typing this, a re-format of the drive is running and I will try again later to re-label it. 

The above raises two questions: 

Given that a sector in the range of the last sectors of the disk  was 
accessed during the rcp, could it be that the disk ran full and , instead of flagging  a disk full the copy (rcp) process ran into using non-existing blocks? Might this be caused by wrong disk labeling? 

Does anyone have a correct disktab entry for the MXT 7120?

Is bad144 envolved here ? Should I run bad144 over the disk? I read about bad144
problems in recent messages.

Any comments appreciated.

--
--Chris
Christoph P. U. Kukulies
kuku@acds.physik.rwth-aachen.de
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