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Re: reviving /etc/disktab?



On Fri, Jan 06, 2006 at 05:44:55PM +0100, Aymeric Vincent wrote:
> in order to be able to mount (r/o) an Amiga floppy disk through a
> vnconfig + mount_ados, you need to get the geometry and the
> bsize,fsize,cpg values right because this information is used to
> locate the root block of the disk.
> 
> This has to be provided in a disktab(5) file.
> 
> Would there be interest in reviving /etc/disktab? I think it's nice to
> have it common to all platforms, but it's a pity that it's empty.

It's not empty - it contains entry for 3.5" floppy :)
 
> Would anyone object if I added the entries I want for the Amiga floppy
> disks to it? This would mean that other people are likely to follow
> this.
> 
> With the name changed to something sensible (amigaddfloppy for
> example), here is an entry that would be nice to have.
> 
> amflop:Amiga Double Density Floppy:\
>       :ty=floppy:se#512:nt#2:rm#300:ns#11:nc#80:\
>       :pa#1760:oa#0:ba#512:fa#512:ta=ADOS:\
>       :pb#1760:ob#0:\
>       :pc#1760:oc#0:

Generally, adding the entry to /usr/share/examples/disktab/disktab
would be much preferred. mount_ados(8) could contain a reference
to that file for people who want to mount the floppies.

Optionally, we might change getdiskbyname(3) too look into
the example disktab when an entry is not found in /etc/disktab.
This would actually be the best option IMHO.

Jaromir
-- 
Jaromir Dolecek <jdolecek%NetBSD.org@localhost>            http://www.NetBSD.cz/
-=- We can walk our road together if our goals are all the same;     -=-
-=- We can run alone and free if we pursue a different aim.          -=-

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