[Sheepdog] questions about qemu-img and sheepdog

[MORITA Kazutaka]

At Thu, 13 Jan 2011 13:18:37 +0800,
jidalyg_8711 wrote:
> Hi, Kazutaka
> 
> I tried your commands, it looks like work well.
> But When I used the following command to start kvm-qemu with the sheepdog ： debian_inc images ,the kvm-qemu later became dead 
> $./qemu-system-x86_64 -m 512 -hda sheepdog:debian_inc -net nic,model=e1000 -net tap -vnc 10.60.1.92:1 -monitor stdio 
> 
> And I used the normal images, It worked very well 
> Is it the bug ?

Sorry, I couldn't produce the problem.  What is written in the log
file 'sheep.log' when the problem happens?

Thanks,

Kazutaka

> 
> 
> Thank you very much 
> 
> 
> yaronli
> 
> 
> 2011-01-13 
> 
> 
> 
> jidalyg_8711 
> 
> 
> 
> 发件人： MORITA Kazutaka 
> 发送时间： 2011-01-12  19:50:59 
> 收件人： jidalyg_8711 
> 抄送： sheepdog 
> 主题： Re: [Sheepdog] questions about qemu-img and sheepdog 
>  
> At Wed, 12 Jan 2011 10:49:03 +0800,
> jidalyg_8711 wrote:
> > 
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> > 
> > Hi, I've used the sheepdog .It is the great project!
> > 
> > I have one question about qemu-img and sheepdog, 
> > Does sheepdog support the growable disk images (their size increase as non empty sectors are written),Like as :
> > 
> > $qemu-img -b sheepdog：debian -f qcow2 sheepdog : debian_inc
> A snapshot tag is missing for the base image, and you can use only a
> raw format for Sheepdog.
> > 
> > sheepdog : debian is the based image
> > sheepdog : debian_inc is the increase image.
> > 
> > I tried this command ,but failed. So how the sheepdog create the increase images?
> Try the followings:
>  1. Create a base image
>       $ qemu-img convert ./image.raw sheepdog:debian
>  2. Take a snapshot to use as a base image
>       $ qemu-img snapshot -c base sheepdog:debian
>  3. Create a cloned image from sheepdog:debian:base
>       $ qemu-img create -b sheepdog:debian:base sheepdog:debian_inc
> See also:
>   http://wiki.qemu.org/Features/Sheepdog/Getting_Started
> Thanks,
> Kazutaka
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