Re: [Xen-users] How to share data between guest domains

[Mark Williamson <mark.williamson@xxxxxxxxxxxx>]

> That works for me.
>
> What doesn't work is mounting that file/device READ/WRITE in one domU
> to update the filesystem.  For that, I have to take down *all* domUs.
> Not good...
>
> (When I try I get a vbd: error saying "already in use".)
>
> (I know about caching and that I need eg. a cluster-aware filesystem
> to do this.)
>
> I've spent a couple of hours hunting through various Xen source files.
>  There's a lot of Python functions that are only 3-5 lines long and
> which does little else than calling the next function, which makes it
> very hard to figure out what's going on :-/.
>
> Could one of you devel guys please let me know where I need to go to
> remove this silly limitation? :-)

IIRC, you can use "w!' for 'gimme write sharing - i really mean it!' ;-)

Cheers,
Mark

-- 
Dave: Just a question. What use is a unicyle with no seat?  And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!

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