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Re: [Qemu-devel] [sheepdog] [PATCH 0/3] sheepdog: support online snapsho


From: Liu Yuan
Subject: Re: [Qemu-devel] [sheepdog] [PATCH 0/3] sheepdog: support online snapshot from qemu-img
Date: Thu, 25 Apr 2013 22:01:23 +0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130329 Thunderbird/17.0.5

On 04/25/2013 09:44 PM, Eric Blake wrote:
> Is that even safe?  We specifically recommend that users NOT use
> qemu-img on any image that is in-use by a qemu process, and instead only
> use qemu monitor commands; since qemu-img may see inconsistent state,
> and worse, any writes that qemu-img do may cause qemu to see
> inconsistent state and cause corruption to the running guest.

Then why not disable ( qemu-im snapshoting live VM) this behavior
completely?

Thanks,
Yuan



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