[Bug 1994521] Re: HPE3PAR: Failing to clone a volume having children

[Seyeong Kim]

Hello @dgadomski, sorry for making confusion.
For now, upstream review is in progress for zed, 2023.1 ( for yoga is rejected )
I wasn't sure if I can go forward with this situation so I didn't updated description yet.

But do you think it is possible to SRU in this situation?

Either way, I'll update description today for future work.

Thanks a lot.

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https://bugs.launchpad.net/bugs/1994521

Title:
  HPE3PAR: Failing to clone a volume having children

Status in Cinder:
  Fix Released
Status in cinder package in Ubuntu:
  Fix Released
Status in cinder source package in Jammy:
  Incomplete
Status in cinder source package in Mantic:
  Fix Released
Status in cinder source package in Noble:
  Fix Released

Bug description:
  When we try to delete a snapshot, we flatten it's dependent volumes by copying them to a new volume and deleting the original one.
  We fail to copy the volume when it has children and it is not handled in the code.

  : hpe3parclient.exceptions.HTTPConflict: Conflict (HTTP 409) 32 -
  volume has a child

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