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Re: [Qemu-devel] [sheepdog] [PATCH v2] sheepdog: fix loadvm operation

From: MORITA Kazutaka
Subject: Re: [Qemu-devel] [sheepdog] [PATCH v2] sheepdog: fix loadvm operation
Date: Thu, 25 Apr 2013 17:11:04 +0900
User-agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/22.1 Mule/5.0 (SAKAKI)

At Thu, 25 Apr 2013 12:12:58 +0800,
Liu Yuan wrote:
> On 04/25/2013 12:47 AM, Liu Yuan wrote:
> > - don't break old behavior if we boot up on the snapshot by using 
> > s->reverted
> >    to indicate if we delete working VDI successfully
> If we implement 'boot from snapshot' == loadvm snapshot, we don't need
> s->reverted. What do you think, Kazutaka? With this idea, qemu -hda
> sheepdog:test:id will be virtually the same as qemu -hda sheepdog:test
> -loadvm id.
> I don't understand the usecase for snapshting current workding VDI and
> then restore to the specified snapshot.

Are you suggesting that booting from snapshot should discard the
current state like savevm?  If yes, it looks okay to me.



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