[Unionfs] UnionFS as root filesystem

[Tomas M]

 > mount -o dirs=/mnt/hda1=ro:/mnt/hda2=rw unionfs /mnt/hda2

That mount command is wrong, at first, leftmost branch must be writable, 
not ro.
I don't know if you can overmount the directory used in unionfs as a branch,
I believe that the result is undefined and you should not do that.

Tomas


Francesco Carsana wrote:
> I have to use pivot_root... or not? Only chroot?
> So in my linuxrc:
>
>   mount -o dirs=/mnt/hda1=ro:/mnt/hda2=rw unionfs /mnt/hda2
>
> is wrong? Can't I mount the union over hda2?
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