On May 08, Marc Haber <mh+debian-de...@zugschlus.de> wrote:
> How would that be done for a 200 MB filesystem holding /, no extra
> /boot partition, and a multi-gigabyte /usr beyond the 2T barrier?
Let's assume that at this point there are no files in /{bin,sbin,lib}
which have the same name of a file in /usr/{bin,sbin,lib} but are not
a symlink to them (which I suspect is something that we want anyway).
For each $file in /{bin,sbin,lib}:
if $file is a symlink to /usr/.../$file
do nothing
else
cp -a $file to /usr/...
ln -sf ../usr/.../$file $file
When /{bin,sbin,lib} only contain symlinks then they can be quickly
renamed, replaced by a symlink to /usr/$dir and finally safely deleted.
There is a tiny race here, but I am sure that there are much worse
ones while doing a dist-upgrade.
And now you have space in /boot for a 150 MB grml-small rescue image!
--
ciao,
Marco
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