On Tue, 2009-05-05 at 16:25 -0700, Russ Allbery wrote:
> Stefano Zacchiroli <z...@debian.org> writes:
>
> > Yes, the most repeated argument has been mount /usr via NFS.
> > Unfortunately, nobody yet explained how do they update the resulting
> > cluster of machines.
>
> It's not particularly difficult. You update the system master and push
> that update into NFS, synchronizing any non-/usr data as you need to
> across all the systems mounting that NFS partition.
I have always been skeptical about sharing /usr on Debian, especially
I've always wondered is how you upgrade the remote (nfs-mounted)
systems?
* How to upgrade /bin, /lib... files?
* Can dpkg be told to not touch /usr on those machines?
* Some (pre|post)(inst|rm) scripts use files in /usr... Aren't they
guaranteed to behave in unpredictable way, if the version is /usr
aren't the one expected by those scripts?
I used lessdisk[1] in sarge, but it used to export the whole tree over
NFS.
Regards,
Franklin
P.S. I like the idea to use encrypted partition for the whole system,
excepts /usr.
[1] http://archive.debian.net/sarge/lessdisks
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