yahoo-eng-team team mailing list archive

["Markus Zoeller \(markus_z\)" <mzoeller@xxxxxxxxxx>]

This wishlist bug has been open a year without any activity. I'm going
to move it to "Opinion / Wishlist", which is an easily-obtainable queue
of older requests that have come on. This bug can be reopened (set back
to "New") if someone decides to work on this.

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

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https://bugs.launchpad.net/bugs/1039065

Title:
  scheduler hints should persist with instance for use in migration,
  resize, and evacuate

Status in OpenStack Compute (nova):
  Opinion

Bug description:
  If you've used a scheduler hint such as picking resources that are in
  close proximity to a particular ip address.

  ex:
  scheduler_hints': { 'cidr': '/32',
                                  'build_near_host_ip': affinity_ip}

  
  Now you want to migrate to a different host.  At no point during the migration will the hints be revisited. The original hints are not even saved! 

  On migration the hints should be applied against the destination. If
  the destination does no pass the filter an (overridable?) error should
  be raised.

  I have an initial implementation that can be found at : git://gitorious.org/nova/nova.git
                                                                                 branch:  respect_scheduler_hints_during_migration

  I'll submit the patches via review.openstack.org.

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