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[Shunli Zhou <shunliz@xxxxxxxxxx>]

Public bug reported:

Failed to create a instance into a server group with affinity policy and the retry  filter is enabled. The scheduler selected a host,
say it's  'host2', but the host2's hypervisor has some problems and failed to boot the instance. Then scheduler retry to boot the instance. Scheduler failed to select host for the instance. As the group with affinity request boot instance to host2 but host2 is not OK.

For this case, it's not make sense that the group affinity policy take
effect when the first instance in the group is retrying to create.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1369385

Title:
  Fail to create instance to a server group with affinity policy.

Status in OpenStack Compute (Nova):
  New

Bug description:
  Failed to create a instance into a server group with affinity policy and the retry  filter is enabled. The scheduler selected a host,
  say it's  'host2', but the host2's hypervisor has some problems and failed to boot the instance. Then scheduler retry to boot the instance. Scheduler failed to select host for the instance. As the group with affinity request boot instance to host2 but host2 is not OK.

  For this case, it's not make sense that the group affinity policy take
  effect when the first instance in the group is retrying to create.

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