On 27.09.18 16:23, Alberto Garcia wrote:
> On Thu 27 Sep 2018 04:14:15 PM CEST, Max Reitz wrote:
>> On 25.09.18 16:13, Alberto Garcia wrote:
>>> On Thu 13 Sep 2018 08:37:05 PM CEST, Max Reitz wrote:
First, split .003 into the part we want to commit and the part we
don't want to commit. T
On Thu 27 Sep 2018 04:14:15 PM CEST, Max Reitz wrote:
> On 25.09.18 16:13, Alberto Garcia wrote:
>> On Thu 13 Sep 2018 08:37:05 PM CEST, Max Reitz wrote:
>>> First, split .003 into the part we want to commit and the part we
>>> don't want to commit. This is a bit tricky without qemu-img dd @seek
>
On 25.09.18 16:13, Alberto Garcia wrote:
> On Thu 13 Sep 2018 08:37:05 PM CEST, Max Reitz wrote:
>> First, split .003 into the part we want to commit and the part we
>> don't want to commit. This is a bit tricky without qemu-img dd @seek
>> (or a corresponding convert parameter), so we'll have to
On 9/25/18 9:13 AM, Alberto Garcia wrote:
If you only want to copy parts of a backing file I think it's much
simpler if you use copy-on-read:
qemu-io -C -c 'read 0 1M' img.003.commit.000
Oh, slick.
$ qemu-img convert -O qcow2 \
"json:{'driver':'null-co','size':1048576}" \
"json:
On Thu 13 Sep 2018 08:37:05 PM CEST, Max Reitz wrote:
> First, split .003 into the part we want to commit and the part we
> don't want to commit. This is a bit tricky without qemu-img dd @seek
> (or a corresponding convert parameter), so we'll have to make do with
> backing=null so we don't copy a
On Fri 14 Sep 2018 04:19:01 AM CEST, lampahome wrote:
> I figure out one way is to *divide data of device into 1TB chunk* and
> save every chunk into qcow2 image cuz I don't change filesystem, and
> connect with backing chain.
Let's see if I understood what you want:
1) you have for example a 3