Why upgrading RHV-H is failing with error "AssertionError: Path is already a volume"

Solution Verified - Updated -

Issue

  • Upgrading an RHV-H is failing with error AssertionError: Path is already a volume.
2018-07-03 21:13:50,880 [ERROR] (MainThread) Failed to migrate etc
Traceback (most recent call last):
  File "/tmp/tmp.nnzOX3zbdS/usr/lib/python2.7/site-packages/imgbased/plugins/osupdater.py", line 118, in on_new_layer
    check_nist_layout(imgbase, new_lv)
  File "/tmp/tmp.nnzOX3zbdS/usr/lib/python2.7/site-packages/imgbased/plugins/osupdater.py", line 209, in check_nist_layout
    v.create(t, paths[t]["size"], paths[t]["attach"])
  File "/tmp/tmp.nnzOX3zbdS/usr/lib/python2.7/site-packages/imgbased/volume.py", line 48, in create
    "Path is already a volume: %s" % where
AssertionError: Path is already a volume: /tmp

Environment

  • Red Hat Virtualization 4.0.
  • Red Hat Virtualization 4.1.
  • Red Hat Virtualization 4.2.

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