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As far as I know, it is not possible to assign uuid from deleted image 
to the new one, because deleted images keeps their metadata in DB.


On 09/26/2014 04:43 PM, Abel Lopez wrote:
> Glance images are immutable. In order to update it, you should do as 
> you are doing, but then rename the old image, then upload the updated 
> one. Take note of the UUID as well.
>
> On Friday, September 26, 2014, Christian Berendt 
> <berendt at b1-systems.de <mailto:berendt at b1-systems.de>> wrote:
>
>     I'm trying to update the contents of an image, but it looks like it is
>     not working at all.
>
>     First I upload a test image:
>
>     ---snip---
>     # dd if=/dev/urandom of=testing.img bs=1M count=10
>     # glance image-create --disk-format raw --container-format bare --name
>     TESTING --file testing.img
>     ---snap---
>
>     Now I want to overwrite the contents of this image:
>
>     ---snip---
>     # dd if=/dev/urandom of=testing.img bs=1M count=20
>     # glance image-update --file testing.img TESTING
>     ---snap---
>
>     After this call the size of the image is still the same like before
>     (10485760 bytes).
>
>     I do not have issues in the logfiles of glance-api and
>     glance-registry.
>
>     What am I doing wrong?
>
>     Is it not possible to update the contents of an image?
>
>     Christian.
>
>     --
>     Christian Berendt
>     Cloud Solution Architect
>     Mail: berendt at b1-systems.de <javascript:;>
>
>     B1 Systems GmbH
>     Osterfeldstraße 7 / 85088 Vohburg / http://www.b1-systems.de
>     GF: Ralph Dehner / Unternehmenssitz: Vohburg / AG: Ingolstadt,HRB 3537
>
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>
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