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[Bug 1213953] Re: booting VM form volume crashes by timeout creating volume

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Thu, 03 Oct 2013 08:00:17 -0000
Reply-to: Bug 1213953 <1213953@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: nova
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1213953

Title:
  booting VM form volume crashes by timeout creating volume

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  Method _await_block_device_map_created in nova/compute/manager.py makes 30 retries with 1 sec interval to Cinder and checks volume status. If it is not "available" in 30 retries then it raises exception.
  In some cases 30 attempts with 1 sec interval is not enough for volume to be created.
  For example  when we are creating volume from large snapshot.

  Also https://review.openstack.org/#/c/40603/ introduces ability to create volume form image on booting VM.
  In this case image needs to be downloaded and if it is not in RAW format - converted.

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