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[Serhii Ivanov <2086867@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

When DNS resolution is unavailable in the environment, Nova compute
operations that rely on SCP transfers between compute nodes fail because
of failed hostname resolution.

Proposed solution is to add a new configuration option [libvirt]migrations_use_ip_to_scp that allows destination compute nodes to use source compute IP addresses instead of hostnames for SCP operations.
When enabled, Nova will lookup the source compute's IP address from the database and use it for file transfers.

** Affects: nova
     Importance: Undecided
         Status: New


** Tags: rfe

** Tags added: rfe

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https://bugs.launchpad.net/bugs/2086867

Title:
  [RFE] Allow SCP operations to use IP addresses during Nova migrations

Status in OpenStack Compute (nova):
  New

Bug description:
  When DNS resolution is unavailable in the environment, Nova compute
  operations that rely on SCP transfers between compute nodes fail
  because of failed hostname resolution.

  Proposed solution is to add a new configuration option [libvirt]migrations_use_ip_to_scp that allows destination compute nodes to use source compute IP addresses instead of hostnames for SCP operations.
  When enabled, Nova will lookup the source compute's IP address from the database and use it for file transfers.

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