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[Dan Watkins <daniel.watkins@xxxxxxxxxxxxx>]

** Also affects: cloud-init
   Importance: Undecided
       Status: New

** Changed in: cloud-init
       Status: New => In Progress

** Changed in: cloud-init
     Assignee: (unassigned) => Dan Watkins (daniel-thewatkins)

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https://bugs.launchpad.net/bugs/1411582

Title:
  Azure data source should auto-detect ephemeral disk location

Status in Init scripts for use on cloud images:
  In Progress
Status in cloud-init package in Ubuntu:
  New
Status in walinuxagent package in Ubuntu:
  Fix Released
Status in cloud-init source package in Precise:
  New
Status in walinuxagent source package in Precise:
  Fix Released
Status in cloud-init source package in Trusty:
  New
Status in walinuxagent source package in Trusty:
  Fix Released
Status in cloud-init source package in Utopic:
  New
Status in walinuxagent source package in Utopic:
  Fix Released
Status in cloud-init source package in Vivid:
  New
Status in walinuxagent source package in Vivid:
  Fix Released

Bug description:
  Currently we assume it will be /dev/sdb, but this may change. There is
  an example of how to handle this in the Azure Linux agent.

  To quote stevez in a comment on bug 1410835:

  Device names are not persistent in Linux and could change, so it is
  not guaranteed that the ephemeral disk will be called /dev/sdb.
  Ideally this should be auto-detected in cloud-init at runtime (for
  example, see DeviceForIdePort() in the Azure Linux agent).

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