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[Bug 1402522] Re: Rebuild won't scheduling instance to another host even the orignal host didn't satisfy the resource requirement

 

** Changed in: nova
   Importance: Undecided => Wishlist

** Changed in: nova
       Status: New => Opinion

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https://bugs.launchpad.net/bugs/1402522

Title:
  Rebuild won't scheduling instance to another host even the orignal
  host didn't satisfy the resource requirement

Status in OpenStack Compute (Nova):
  Opinion

Bug description:
  When rebuild instance with another image, nova won't rescheduling
  instance to another host.

  The new image make have bigger disk requirement, that orginal host
  didn't satisfy it.

  And new image may include different numa topology, the nova didn't
  consider that also.

  So nova should try to schedule instance to another host if the orignal
  host doesn't satisfy the resource requirement. But the original host
  should be the first choice.

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References