When I attempt to install oVirt Node (newest ISO;
ovirt-node-ng-installer-ovirt-4.0-2016062412.iso), the installer fails
at the very end with the following error if any software RAIDs are
defined in storage options.

There was an error running the kickstart script at line 7 . This is a fatal
error and installation will be aborted. The details of this error are:
[INFO] Trying to create a manageable base from '/'
Traceback (most recent call last):
File "/usr/lib64/python2.7/runpy.py", line 162, in _run_module_as_main
"__ main __", fname, loader, pkg_name)
File "/usr/lib64/python2.7/runpy.py", line 72, in _run_code
exec code in run_globals
File "/usr/lib/python2.7/site-packages/imgbased/__main__.py", line 42,
in <module>
File "/usr/lib/ python2.7/site-packages/imgbased/__init__.py", line
80, in CliApplication
app.hooks.emit("post -arg -parse", args)
File "/usr/lib/python2.7/site-packages/imgbased/hooks.py", line 120, in emit
cb(self.context, •args)
File "/usr/lib/python2.7/site-packages/imgbased/plugins/core.py", line
167, in post_argparse
app.imgbase.init_layout_from(args.source, init_nvr)
File "/usr/lib/python2.7/site-packages/imgbased/imgbase.py", line 230,
in init_layout_from
self.init_tags_ on(existing_lv)
File "/usr/lib/python2.7/site-packages/imgbased/imgbase.py", line 217,
in init_tags_on
AttributeError: 'NoneType' object has no attribute 'addtag'

This occurs with standard RAID volumes, with an LVM volume defined on
top of RAID, and any combination thereof. When the installer is allowed
to pick it's own storage scheme, it works fine. All of my testing has
been done on blank physical disks or newly created virtual disks. The
anaconda and storage logs don't appear to be very useful.

Has anyone else come across this? Thoughts on workarounds or where I
should be looking next to track down a solution?

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