Date: Tue, 22 Oct 1996 19:23:05 -0700 (PDT) From: Doug White <dwhite@gdi.uoregon.edu> To: Don Yuniskis <dgy@rtd.com> Cc: FreeBSD Questions <questions@FreeBSD.org> Subject: Re: Making a DOS Partition writeable Message-ID: <Pine.BSI.3.94.961022191721.6076M-100000@gdi.uoregon.edu> In-Reply-To: <199610220806.BAA21835@seagull.rtd.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Ack! let's prune that cc: back to questions. On Tue, 22 Oct 1996, Don Yuniskis wrote: > > > > Please, anyone correct me, but mounting a DOS-FS could -- under certain > > > > circumstances -- corrupt the BSD-FS !?!? > > > > > > Shortly after I installed FreeBSD, I was running two finds on different > > > virtual consoles, with /msdos mounted, and my machine crashed hard. When > > > it came back up, my entire FreeBSD installation was hosed. I can't say it > > > was definitely due to msdosfs, but I suspect it. > > > > The primary problem comes when you FIPS a partition and cause the cluster > > size to change. FreeBSD assumes a perfect world while FIPS cheats -- it > > SHOULD rewrite all those sectors back down to the smaller clustersize but > > that takes a while (I had a program that actually did it right!) esp. on > > big disks. > > So, how does this result in the FBSD partition being trashed? Or, is that > an "ugly rumor"? Is it only applicable to a FBSD partition on the same > physical device as a FIPS'ed DOS partition? etc. I can't really say why it's corrupt the FreeBSD filesystem as well. My guess would be a wrong disklabel or partition table, but I can't say for sure. In any case bad things can happen. > It sure would be nice if these things were more thoroughly described or > qualified ... help reduce some of the "lore" surrounding them. The new msdosfs code should fix it once and for all. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSI.3.94.961022191721.6076M-100000>