mount / umount
fabrizio at nldesign.com
Tue Jan 6 13:06:43 PST 2004
This mean that will be not possible mount a floppy disk with some files in? or
a CDROM with some files?
On Tuesday 06 January 2004 03:44 pm, Bruce Evans wrote:
> On Tue, 6 Jan 2004, Fabrizio Parrella wrote:
> > I mount a msdos floppy disk with:
> > mount -tmsdos /dev/fd0 /mnt/floppy
> > and everything works fine..
> > when I tried to umount, I got this:
> > umount: unmount of /mnt/floppy failed: Resourde temporary unavailable
> > # fd0: hard error cmd=write fsbn 19 (ST0 40<abnrml> ST1 2<write_protect>
> > ST2 0 cyl 0 hd 1 sec 2
> It's not writable, so you need to mount it with option ro.
> msdosfs used to have the nice property of not scribbling on disks unless
> there is a write() or chmod() etc. on the disk, but it now always writes
> to the FAT for non-ro mounts to clear the clean flag.
> > PLUS, if I try to mount the floppy disk by an user and not as root, I get
> > thie message:
> > msdosfs: /dev/fd0: Operation not permitted
> Various things prevent user mounts (see another reply), and non-clean
> disks should now prevent read-write mounting. I'm not sure if this works
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