The following was filed automatically by anaconda:
anaconda 11.5.0.33 exception report
Traceback (most recent call first):
  File "/usr/lib/anaconda/storage/devicelibs/lvm.py", line 195, in pvremove
    raise LVMError("pvremove failed for %s" % device)
  File "/usr/lib/anaconda/storage/formats/lvmpv.py", line 109, in destroy
    lvm.pvremove(self.device)
  File "/usr/lib/anaconda/storage/deviceaction.py", line 330, in execute
    self.origFormat.destroy()
  File "/usr/lib/anaconda/storage/devicetree.py", line 634, in processActions
    action.execute(intf=self.intf)
  File "/usr/lib/anaconda/storage/__init__.py", line 184, in doIt
    self.devicetree.processActions()
  File "/usr/lib/anaconda/packages.py", line 115, in turnOnFilesystems
    anaconda.id.storage.doIt()
  File "/usr/lib/anaconda/dispatch.py", line 205, in moveStep
    rc = stepFunc(self.anaconda)
  File "/usr/lib/anaconda/dispatch.py", line 128, in gotoNext
    self.moveStep()
  File "/usr/lib/anaconda/gui.py", line 1317, in nextClicked
    self.anaconda.dispatch.gotoNext()
LVMError: pvremove failed for /dev/sdb1