On Tue, Mar 09, 1999 at 12:19:17AM +0000, Theo Markettos wrote:
> According to the Filesystems Supported page, the DOS support provides:
>
> > DOS
> > Self explanatory. It allows reading of PC Emulator partitions, and
> > MSDOS floppies. For PC Emulator partitions, you must use the loopback
> > device.
>
> I can't see anything in the FAQ about this, so can someone explain what
> the loopback device is? There's nothing obvious in /dev, and
>
> mount -t msdos /mnt/adfs/Win95 /mnt/pc
>
> doesn't like the fact that the partition isn't a block device. I'm
> probably being dense here, but what is the correct procedure? Also, ISTR
> that there is some partition table at the start of PC card partitions - if
> so, is there any way of calculating the offset that needs to be used, and
> how is it used in the mount command?
Russell, please add to the FAQ:
In order to access a PC partition, you need to use the loop device with an
offset to skip the partition table.
Example:
losetup -o 8704 /dev/loop0 /adfs/IDEDisc4/PC/Drive_C
mount -t msdos /dev/loop0 /dos/c
[I'm not sure if the /dev/loopN entries are created by redhat at installation
or not. Can someone check for me and if not, add the following:
First, you need to create the loop devices in /dev. To do this, run
/dev/MAKEDEV loop
as root. This only needs to be done once.
]
--
Matthew Wilcox <[EMAIL PROTECTED]>
"I decry the current tendency to seek patents on algorithms. There are
better ways to earn a living than to prevent other people from making use of
one's contributions to computer science." -- Donald E. Knuth, TAoCP vol 3
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