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The first post of this thread is a WikiPost and can be edited by anyone with the appropiate permissions. Your edits will be public.
An I/O error happened which caused /Volumes/Install_Lion to be ejected? Is there something wrong with your disk? Otherwise, I would modify the script to output more progress or status information.

All good - Bypassing the dodgy USB hub worked, the script ran in its entirety. Sorry for the false alarm!
 
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