Re: [Xen-API] VDI import/export with deltas

[Dave Scott <Dave.Scott@xxxxxxxxxx>]

On 28 Aug 2014, at 14:59, Olivier Lambert <lambert.olivier@xxxxxxxxx> wrote:

> What a great news!
> 
> Correct me if I'm wrong:
> - VM export: export of VM meta-data (config, number of RAM, CPU,
> network) + all its VDI
> - VDI export: just any VDI
> - VDI "diff" export: any VDI, delta since a precise snapshot

That’s right.

> Is there a possibility to export a "whole" VM diff (config + all its
> VDI since a snapshot)?

That would indeed be nice! I’d like to update the VM export/import code to be 
able to use .vhd format… adding “whole” VM diff would be easy after that.

Cheers,
Dave

> 
> 
> Thanks!
> 
> 
> Olivier.
> 
> On Thu, Aug 28, 2014 at 3:11 PM, Dave Scott <Dave.Scott@xxxxxxxxxx> wrote:
>> Hi,
>> 
>> One of the features of the upcoming xapi 2.0 release will be improved VDI 
>> (disk) import/export support[1][2][3]. In particular xapi now has APIs to 
>> import/export data in vhd format: both sparse images and deltas. I’ve 
>> written up a doc describing how these APIs currently work on the wiki:
>> 
>> http://wiki.xensource.com/wiki/Disk_import/export_APIs
>> 
>> There’s still time before 2.0 to change how these work, so your comments and 
>> criticism would be appreciated.
>> 
>> Thanks!
>> Dave
>> 
>> [1] https://github.com/xapi-project/xapi-project/issues/1
>> [2] https://github.com/xapi-project/xen-api/issues/1778
>> [3] https://github.com/xapi-project/vhd-tool/pull/14
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