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[Bug 1488233] Re: FC with LUN ID >255 not recognized

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Stefan Amann <stefan.amann@xxxxxxxxxx>
Date: Mon, 24 Aug 2015 20:21:39 -0000
Reply-to: Bug 1488233 <1488233@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

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

** Changed in: nova
     Assignee: (unassigned) => Stefan Amann (stefan-amann)

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https://bugs.launchpad.net/bugs/1488233

Title:
  FC with LUN ID >255 not recognized

Status in Cinder:
  New
Status in OpenStack Compute (nova):
  New
Status in os-brick:
  In Progress

Bug description:
  (s390 architecture/System z Series only) FC LUNs with LUN ID >255 are not recognized by neither Cinder nor Nova when trying to attach the volume.
  The issue is that Fibre-Channel volumes need to be added using the unit_add command with a properly formatted LUN string.
  The string is set correctly for LUNs <=0xff. But not for LUN IDs within the range 0xff and 0xffff.
  Due to this the volumes do not get properly added to the hypervisor configuration and the hypervisor does not find them.

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