>     by this you mean to include Lustre modules that typically 
> gets loaded
>     during lconf, right? 
> 
> It's been long enough since I used lconf that I can't speak 
> to that.  The
> short answer is "any module which is needed in order to be a 
> client should be
> copied into the initrd".

Fair enough. Looks I better move my eval systems to 1.6 :-)

>     
>     > get them loaded from the init script, mount the fs in question,
>     > pivot root, and off you go. 
>     
>     I was not aware of this "pivot_root" until now. This is perfect!! 
>     
>     Again, if you have this basic recipe described in more 
> detailed, it will
>     great.
> 
> See the script I just posted.  
> 
> Mine's got a bit of extra magic in it because we wanted to 
> maintain several
> rootfs images, which meant we wanted them in subdirs.  Sadly, 
> there appears to
> be no way to mount a subdir of a lustrefs, only the top level 
> (perhaps that
> could be taken as a feature request, hint, hint) so we have 
> to play the mount
> bind game.  It's a hack, but it works.

I was wondering the same whether lustre would allow to mount just a
subdir of lustrefs. I would agree to request that as feature
enhancement.

Thanks,
Sridhar

>     
>     Oh sure. I too was thinking that nodes shouldn't share 
> dirs like /etc,
>     /var/log, etc.
>     
> Right.  
> 
> Think of it as a mostly read-only fs.  There are a small 
> number of parts which
> can't be read-only, such as /tmp, /var, perhaps parts of /usr 
> etc.  Those
> parts must have something else mounted on them.  
> 

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