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[Nikola Đipanov <ndipanov@xxxxxxxxxx>]

Public bug reported:

When testing weather the instance can fit into the host topology will
currently not take into account the number of cells hte instance has,
and will only claim matching cells and pass an instance if the matching
cells fit.

So for example a 4 NUMA cell isntance would pass the claims test on a 2
NUMA cell host, as long as the first 2 cells fit, without considering
that the whole instance will not actually fit.

** Affects: nova
     Importance: High
         Status: Confirmed

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https://bugs.launchpad.net/bugs/1369984

Title:
  NUMA topology checking will not check if instance can fit properly.

Status in OpenStack Compute (Nova):
  Confirmed

Bug description:
  When testing weather the instance can fit into the host topology will
  currently not take into account the number of cells hte instance has,
  and will only claim matching cells and pass an instance if the
  matching cells fit.

  So for example a 4 NUMA cell isntance would pass the claims test on a
  2 NUMA cell host, as long as the first 2 cells fit, without
  considering that the whole instance will not actually fit.

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