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https://bugzilla.redhat.com/show_bug.cgi?id=207470
--- Comment #15 from Ask Bjørn Hansen ask@develooper.com 2009-04-17 04:13:36 EDT --- "One potential option that is relatively easy and gets us a little further is this. Modify vgrename to have a "--force" option on it and allow renames into duplicate VG names."
Just wanted to second how useful that would be. As others have mentioned, getting proper "duplicate VG name" handling seems, well, more of a long term solution.
Just being able to force rename a vg would make it possible to save otherwise unbootable images without having to copy the image over to a box with a different vg name...