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[Vincent Hou <sbhou@xxxxxxxxxx>]

** Changed in: cinder
     Assignee: (unassigned) => Vincent Hou (houshengbo)

** Also affects: nova
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1414802

Title:
  volume-attach "already attached" and "already detached" are not
  mutually exclusive

Status in Cinder:
  New
Status in OpenStack Compute (Nova):
  New

Bug description:
  > nova volume-attach 81eef059-1490-4ec3-b0fc-b1b4e6380ee8 639e0a87-1190-42d4-b3a1-a385090aec06
  ERROR: Invalid volume: already attached (HTTP 400) (Request-ID: req-1c51a40b-1015-4cee-b313-5dda524a3555)
  > nova volume-detach 81eef059-1490-4ec3-b0fc-b1b4e6380ee8 639e0a87-1190-42d4-b3a1-a385090aec06
  ERROR: Invalid volume: already detached (HTTP 400) (Request-ID: req-bb99c24e-1ca8-4f02-bb0a-9bb125857637)

  I'm trying to resolve a much larger problem with my openstack
  environment, involving volume exporting, and I ran across this
  situation. Whatever the tests are for these two messages, they should
  be mutually exclusive. Maybe a third message is needed, for some
  intermediate state?

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