Subject: Re: [vserver] sharing /vserver
From: Herbert Poetzl <herbert@13thfloor.at>
Date: Wed, 3 Sep 2008 12:18:07 +0200

On Wed, Sep 03, 2008 at 11:15:10AM +0200, Oliver Welter wrote:
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> Hi
> 
> ADNET Ghislain schrieb:
> 
> > I wanted to share my  /vserver between a bunch of host to be able to run
> > a vserver from any host (not launch one on several host at the same time
> > ). the goal is to use unification on all the vservers also.
> > 
> > I have a SAN setup so how do you handle this to have the best
> > performances ? Use a simple NFS server, a ocfs2 partition shared on all
> > the nodes, a glusterfs one ?
> > 
> Just to put an idea - I "share" my guest rootfs readonly simply by
> having an rsync between the boxes on updates, which occure only if I
> patch/update a server. You might even automate this using inotify. The
> guest data is pulled in by an extra replicated disk - as I have only
> two nodes, I use drbd, but you can use any other clusterfs here too.
> So you do not need to find a fs that supports unification.

depending on _how_ you share the 'root fs' it might
destroy the benefit of unification ...

I'd be interested in the output of 'stat /bin/bash'
(assuming that /bin/bash is shared) for two guests
on the same host

best,
Herbert

> Oliver
> - --
> Protect your environment -  close windows and adopt a penguin!
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