Giacomo Catenazzi <c...@debian.org> writes:
> Roger Leigh wrote:
>> On Tue, May 05, 2009 at 05:41:06PM +0200, Stéphane Glondu wrote:
>>> Marco d'Itri a écrit :
>>>> I know that Debian supports this, but I also know that maintaning
>>>> forever large changes to packages for no real gain sucks.
>>>> A partial list of invalid reasons is: [...]
>>> How about: "my /usr is shared by many machines over NFS"?
>>
>> That might have been a "traditional" reason for a shared /usr.
>> However, the package manager can't cope with this setup since
>> you have some components of a package installed locally and
>> some remotely for all systems using the "shared" part. It's
>> an impossible situation to actually cater for in real life.
>> Has anyone ever actually *done* this?
>
> So why we created /usr/share (and moved documentation) ?
.oO(preparing for Multiarch support :)
> I see a lot of parallel installed system, so in this case
> I see no problem on sharing /usr.
> [BTW one of the most important conference is not LISA, about
> such configurations?]
>
> But also I don't think it is a problem sharing usr
> on multiple system with multiple configurations.
>
> On non public working stations, one doesn't run randomly
> programs. If I installed mysql-server on a system,
> it will work on such system, but if I install on
> an other system, it work also on the other system,
> occupying only one instance.
>
> I don't see problem from package management
> (also because we have a nullpotent dpkg), so
> we can upgrade from multiple system without problems.
apt-get install libmysqlclient16
apt-get remove --purge libmysqlclient16
and suddenly your other system has a broken mysql-server.
With your setup you can only install packages savely but not remove
them. Which one can decide to live with.
>> Looking at GNU/Hurd, /usr is a symlink to /. If we were to make
>> /usr non-separable, maybe this would be the way to go.
>
> or plan9, which bind mount all /*/bin into the main /bin.
> I can live with such solution, but please allow us to use /usr
> in a different (maybe shared) partition.
>
> ciao
> cate
MfG
Goswin
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