*BSD News Article 63586


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From: sthaug@nethelp.no (Steinar Haug)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Mounting DOS problems
Date: 03 Mar 1996 00:22:42 GMT
Organization: Nethelp Consulting, Trondheim, Norway
Lines: 25
Message-ID: <4haooi$5ej@verdi.nethelp.no>
References: <3131C22A.32D6@nation-net.com> <4h96rt$gcg@mark.ucdavis.edu>
NNTP-Posting-Host: trane.uninett.no
In-reply-to: obrien@Nuxi.com's message of 2 Mar 1996 10:11:09 GMT

[David E. O'Brien]

|   Paul Walsh (paul@nation-net.com) wrote:
|   : Last night I mounted my DOS filesystem wd0s1. Today I am re-installing
|   : FreeBSD ( mmm, goody ). Seriously, this is a bit scary. Fortuneately it 
|   : was a new installation. 
|   
|   Yep, done that twice.  Let me guess, you have a MS-DOS parition greater
|   than 504 Meg.
|   
|   There were two people in the hackers list that signed up to work on the
|   FAT filesys problems.  Maybe they are getting closer to fix???

Another data point: I managed to utterly trash my /usr file system by
mounting my MS-DOS partition wd0s1 and starting to copy from it to a
directory under /usr.

The MS-DOS partition was smaller than 504 MBytes. However, it *had* been
bigger, had been reduced by using FIPS, but still had a cluster size of
32 kBytes. When mounting it, FreeBSD complained that the root directory
was not a multiple of the cluster size. A bit into copying a file from
the MS-DOS partition the machine panicked, and when it rebooted the /usr
file system was trashed.

Steinar Haug, Nethelp consulting, sthaug@nethelp.no