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Re: [Xen-devel] [PATCH v11 00/27] COarse-grain LOck-stepping Virtual Machines for Non-stop Service



Konrad Rzeszutek Wilk writes ("Re: [PATCH v11 00/27] COarse-grain LOck-stepping 
Virtual Machines for Non-stop Service"):
> On Fri, Mar 04, 2016 at 06:17:13PM +0000, Ian Jackson wrote:
> > But as you see from my mails I have some serious questions about the
> > disk checkpointing/plumbing architecture.  I have reservations about
> > the use of qemu for this.  I think this would perhaps be better done
> > as a devmapper module.
> 
> There has been a lot of development in the snapshotting implementation
> in QEMU that simply isn't done in the kernel module. And in many
> cases you do not want to have in the kernel b/c of so many pieces
> it has to deal with (network, locking, checkpointing, etc) - which
> can be done in user-space.

Right.  I think I'm now convinced on this question.

Ian.

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