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[sean mooney <2054797@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 2003991 ***
    https://bugs.launchpad.net/bugs/2003991

this sound like you have count_usage_from_placement=true

https://docs.openstack.org/nova/latest/configuration/config.html#quota.count_usage_from_placement

in which case this is not a bug and is the intended behavior

thee was a bug related to this which i belvie was fixed recently 
it may or may not be backproted to yoga

** This bug has been marked a duplicate of bug 2003991
   Quota not properly enforced during unshelve when [quota]count_usage_from_placement = True

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https://bugs.launchpad.net/bugs/2054797

Title:
  Unshelve can cause quota over-consumption

Status in OpenStack Compute (nova):
  New

Bug description:
  Description
  ===========
  Unshelving a VM can cause an over consumption of a project's quota. I'm not sure if this is a bug or if it's actually intended behaviour, but in my opinion this should not be possible since this will allow users to potentially use a lot more resources than their intended quota.

  Steps to reproduce
  ==================
  * Create a project with a quota of i.e. 4 CPUs and 4GB of RAM
  * Create server1 with 2 CPUs and 2GB RAM, and shelve it after it successfully spawns
  * When server1 in shelved, create server2 with 4 CPUs and 4GB of RAM (effectively using up the entire CPU and RAM quota of the project)
  * Unshelve server1

  Expected result
  ===============
  I would then expect that unshelving server1 would fail, since the quota was used up by server2

  Actual result
  =============
  Unshelving server1 is completed, and I have now used 6 of 4 CPUs and 6 of 4GB RAM on my project's quota. FWIW this also works if at the time of unshelving the quota is already used up.

  Environment
  ===========
  Openstack Yoga
  nova-api 3:25.1.1-0ubuntu1~cloud0
  nova-scheduler 3:25.1.1-0ubuntu1~cloud0

  Running KVM/libvirt on Ubuntu 20.04 and Ceph 17.x

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