*BSD News Article 85483


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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Disk crash problem...any ideas of what is going wrong?
Date: 22 Dec 1996 16:19:21 GMT
Organization: Private BSD site, Dresden
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Michael White <mdwhite@ucdavis.edu> wrote:

> I realize that I will probably have to clear everything off my
> disk and re-do my partitions, but can anyone see what I have
> done wrong (as this problem seems to keep coming up).  Note:
> eventhough the DC-4030VL is a VL-Bus IDE caching disk controller,
> I have turned the cache off and am using the mainboard bios.

I would nevertheless suspect the controller.  Perhaps it's trashing
data as they are written to the disk.

Note that UFS tries to spread all the data equally around in a
partition, so your ``the problem starts if the partition is half
filled'' makes me really wonder.

All this is very strange.  You aren't perchance running some sort of
DOSish ``disk manager'' on it either?  Before reinstalling, try to
clean out all crap from the disk using

	dd if=/dev/zero of=/dev/rwd0 count=1000

-- 
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. ;-)