* Disk partitioning on controllers does not automatically reset back
  to the default state if a Glance backend is changed.
  See `LP1450100 <https://bugs.launchpad.net/bugs/1450100>`_.

Add disk partitioning issue to relnotes
Add disk partitioning issue to relnotes

Change-Id: Ib9b0f9043a052739aaba96edcb8da578490d9e88
Related-Bug:#1450100
