Re: /dev/fd0 is not a valid block device

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Aaron Konstam wrote:

On Fri, Apr 09, 2004 at 03:11:04PM -0400, James Kosin wrote:


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Rick Stevens wrote:
<<-- snip -->>

If you use fdformat to format the floppy in Linux, you still need to use
mkfs to build a file system on the floppy.  Otherwise, you will still
get this error, even after the format.



This is wrong. In fact fdformat is for making dos type disks and mkfs
for linux formatted disks


You are confused.
For more information, please read the man pages on mkfs and fdformat. Also man on mkdosfs and mkfs.msdos.


mkfs formats the filesystem and has many options to tell it size and filesystem type, plus some readily available tailored options are already on the system. (mke2fs, mkdosfs, among many others)

fdformat does the low level format of the floppy disk, and does NOT actually create the filesystem as far as I can find.

When using fdformat you must then follow it with mkdosfs or similar to create the filesystem.

/dev/fd0 is only permitted if fdformat knows the format already or can
find it out from the floppy.

You can use mount /mnt/floppy to try again. Or better still, get a disk
you know is good... and try mounting that.








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