The following was filed automatically by anaconda:
anaconda 15.31 exception report
Traceback (most recent call first):
  File "/usr/lib/python2.7/site-packages/parted/disk.py", line 213, in commit
    return self.__disk.commit()
  File "/usr/lib/python2.7/site-packages/parted/decorators.py", line 30, in new
    ret = fn(*args, **kwds)
  File "/usr/lib/python2.7/site-packages/pyanaconda/storage/formats/disklabel.py", line 252, in commit
    self.partedDisk.commit()
  File "/usr/lib/python2.7/site-packages/pyanaconda/storage/formats/disklabel.py", line 231, in create
    self.commit()
  File "/usr/lib/python2.7/site-packages/pyanaconda/storage/deviceaction.py", line 428, in execute
    options=self.device.formatArgs)
  File "/usr/lib/python2.7/site-packages/pyanaconda/storage/devicetree.py", line 313, in processActions
    action.execute(intf=self.intf)
  File "/usr/lib/python2.7/site-packages/pyanaconda/storage/__init__.py", line 356, in doIt
    self.devicetree.processActions()
  File "/usr/lib/python2.7/site-packages/pyanaconda/packages.py", line 116, in turnOnFilesystems
    anaconda.storage.doIt()
  File "/usr/lib/python2.7/site-packages/pyanaconda/dispatch.py", line 211, in moveStep
    rc = stepFunc(self.anaconda)
  File "/usr/lib/python2.7/site-packages/pyanaconda/dispatch.py", line 130, in gotoNext
    self.moveStep()
  File "/usr/lib/python2.7/site-packages/pyanaconda/gui.py", line 1346, in setScreen
    self.anaconda.dispatch.gotoNext()
  File "/usr/lib/python2.7/site-packages/pyanaconda/gui.py", line 1258, in nextClicked
    self.setScreen ()
IOException: Input/output error during write on /dev/sda