Why virt-sparsify is failing with error " error: libguestfs error: is_lv: is_lv_stub: /dev/vg/lv: ', 'expecting a device name'"

Solution In Progress - Updated -

Issue

  • Running virt-sparsify on a disk is failing with the error below.
failed with rc=1 out=['[   2.5] Trimming /dev/vg/lv'] err=['virt-sparsify: error: libguestfs error: is_lv: is_lv_stub: /dev/vg/lv: ', 'expecting a device name', '', 'If reporting bugs, run virt-sparsify with debugging enabled and include the ', 'complete output:', '', '  virt-sparsify -v -x [...]']

Environment

  • Red Hat Virtualization 4.3.

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