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Re: [Qemu-devel] qcow2 snapshot + resize


From: lihuiba
Subject: Re: [Qemu-devel] qcow2 snapshot + resize
Date: Tue, 5 Jan 2016 20:10:24 +0800 (CST)

Max,

I'll see what I can do, and give you my plan.

Thanks!


>On 29.12.2015 10:38, lihuiba wrote:
>> Hi, >> >> In our production environment, we need to extend a qcow2 image with >> snapshots in it. This feature, however, is not implemented yet. >> >> So I want to ask, if this feature is under active development? > >No, it is not. > >> How can I >> help with this feature? > >Well, you can implement it. ;-) > >> It seems that, this feature is not too difficult as long as cluster_size >> is kept unchanged. Is this correct? > >The thing is that one would need to update all the inactive L1 tables. I >don't think it should be too difficult, it's just that apparently so far >nobody ever had the need for this feature. >I can take a look, but I can't say anything about whether or when >anything will come out of it. >Max


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