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Hello.
Thank you for your email,
I also try to  volumes from the DellPowerstore  to  DellSC then volume id
match between Horizon and Dell SC but old volume won't clear on Powerstore,
I just informed you. I will investigate and let you know.
Thank you.
Nguyen Huu Khoi


On Tue, Dec 27, 2022 at 6:04 AM Alan Bishop <abishop at redhat.com> wrote:

>
>
> On Mon, Dec 26, 2022 at 7:00 AM Nguyễn Hữu Khôi <nguyenhuukhoinw at gmail.com>
> wrote:
>
>> Hello guys, I have a problem with cinder:
>>
>> I use cinder volume retype to move my volume to another backend. It
>> worked but when I check on new backend, volume id doest match with id which
>> on Horizon dash board.It expects to have same volume id on Horizon and new
>> backend. I use DellSC and DellPowerstore.
>>
>
> I'm guessing you are migrating volumes from the DellSC to the
> DellPowerstore, in which case the problem is that the DellPowerstore driver
> doesn't implement the update_migrated_volume method. Here is an extract
> from [1] on the purpose of that function:
>
> "This method can be used in a generally wide range, but the most common
> use case covered in this method is to rename the back-end name to the
> original volume id in your driver to make sure that the back-end still
> keeps the same id or name as it is before the volume migration"
>
> [1] https://docs.openstack.org/cinder/latest/contributor/migration.html
>
> You might file a bug against the Powerstore driver. This is something that
> Dell EMC would need to investigate.
>
> Alan
>
>
>> Thank you.
>>
>> Nguyen Huu Khoi
>>
>
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