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Re: [Qemu-devel] [sheepdog] [PATCH 0/3] sheepdog: support online snapsho
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From: |
Liu Yuan |
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Subject: |
Re: [Qemu-devel] [sheepdog] [PATCH 0/3] sheepdog: support online snapshot from qemu-img |
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Date: |
Thu, 25 Apr 2013 22:01:23 +0800 |
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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