YANIV LAVI

SENIOR TECHNICAL PRODUCT MANAGER

Red Hat Israel Ltd. <https://www.redhat.com/>

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Ra'anana, Israel 4350109

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On Tue, Jul 3, 2018 at 11:50 AM Daniel Erez <[email protected]> wrote:

>
>
> On Tue, Jul 3, 2018 at 11:32 AM Ranjit DSouza <[email protected]>
> wrote:
>
>> Hello oVirt Development team
>>
>>
>>
>> We had a conversation with Pavan Chavva for supporting RHV. He had
>> suggested to contact you with queries related to oVirt APIs we plan to use.
>>
>> We have following queries:
>>
>>
>>
>> 1.       While downloading a snapshot disk, can we identify allocated
>> extents and download only those using oVirt API? We are able to download
>> the disk using the Image Transfer API mechanism.
>>
>> However, this method downloads the entire disk including the
>> non-allocated extents, which is a performance overhead. If this
>> functionality does not exist at this point will it be available in near
>> future?
>>
>
We are planning to add sparseness support to the download/upload protocol:
https://github.com/oVirt/ovirt-imageio/blob/master/examples/upload



>
>>
>> 2.       Is there an alternate method to transfer a snapshot to and from
>> RHV storage? Are there other methods such as NFS share where we can
>> download snapshot image to and from RHV storage?
>>
>>
>>
>
> Have you tried using the sdk for download/upload disk snapshots:
>
> https://ovirt.org/develop/release-management/features/storage/backup-restore-disk-snapshots/
>

We are also planning to add  Unix socket support for transfers:
https://bugzilla.redhat.com/show_bug.cgi?id=1585675


>
>
> Thanks
>>
>> Ranjit
>>
>> Team EverestFalcons
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