On Wed, 6 Jun 2001, Faisal wrote:
> > In this case mount may have been recompiled (statically) to create /dev
> > entries.
Yeah basically check if the requested device exists, if not mknod it with
proper major minors.
> It isn't really essential for the /dev entries to be there. Most lilely the
> /dev entries that were needed for bootup (the root device) got pivoted out
> after initrd switched roots.
umm suppose i want mount some block device in rescue mode then i need the
dev entries before mount() is called. I guess the 1st / system (initrd)
could have the entries for the basic minimum ( /dev/hd's /dev/zero null
etc ). Once the kernel is up and running the initrd can be dumped out and
the real / is mounted from the cd.
I guess i have to dig more, into the root filesystem on the cd, the initrd
and the initialisation scripts. But offhand i remember no device files
being present either on the cd or the initrd image. So having a modified
mount is a distinct possibility.
>In case you need the /dev entries, you can make them manually using the mknod
...
Its just an aimless private investigation ;) on how live cd's work, so no
worries
-- sreangsu
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