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Re: [Qemu-block] [Qemu-devel] storing machine data in qcow images?


From: Michael S. Tsirkin
Subject: Re: [Qemu-block] [Qemu-devel] storing machine data in qcow images?
Date: Wed, 6 Jun 2018 17:55:37 +0300

On Wed, Jun 06, 2018 at 10:42:33AM -0300, Eduardo Habkost wrote:
> > If we want a grand vision where a single file stores the whole VM, why
> > not invest the work and make it right from the start?
> 
> We don't want a grand vision where a single file stores the whole
> VM.  This is exactly what I would like to avoid, by not inventing
> a whole different appliance file format.

Besides, trying to get a grand vision from the start is a sure
way to never have the design leave the drawing board.

What we are asking for at this point is a way to stick a named blob in
an image that people can use with qemu without jumping through hoops.

It seems like a generic enough addition that it seems highly likely
to be useful down the road and harmless enough that maintaining
it won't become a burden.

Can we agree on that as a first step, so we can build that foundation
and move on to actually building ways to use it?

-- 
MST



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