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[Bug 1214413] Re: FC attach fails for single WWN

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Thu, 05 Sep 2013 15:46:17 -0000
Reply-to: Bug 1214413 <1214413@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

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

** Changed in: nova
    Milestone: None => havana-3

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https://bugs.launchpad.net/bugs/1214413

Title:
  FC attach fails for single WWN

Status in Cinder:
  Fix Released
Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  When attaching a volume with FC, there are two options in the code for
  WWNs - list or string:

  if isinstance(ports, list):
      for wwn in ports:
          wwns.append(wwn)
      elif isinstance(ports, str):
          wwns.append(ports)

  Unfortunately when we have a single WWN, it's of type unicode and not
  string, and therefore 'wwns' is an empty list.  This causes the attach
  to fail.

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