On Sun, 16 Oct 2011 20:36:23 +0100
Graham Murray <gra...@gmurray.org.uk> wrote:

> Zac Medico <zmed...@gentoo.org> writes:
> 
> > What's the benefit of having /usr on a separate partition anyway?
> > The only somewhat reasonable explanation that I've heard is so that
> > it can be mounted readonly. 
> 
> One benefit, especially in a large server 'farm' is that several
> servers can share the same /usr by NFS mounting, read-only, the same
> partition on all of the servers. This both ensures that all the
> servers are kept in-step and greatly simplifies the upgrade process.

Unless upgrade involves files being outside of /usr.

-- 
Best regards,
Michał Górny

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