[[!comment format=mdwn
 username="http://joeyh.name/"
 ip="209.250.56.146"
 subject="comment 2"
 date="2014-03-05T20:31:57Z"
 content="""
How many files copied are we talking about before it begins to fail?

You can try passing --debug, which will make git-annex show every external command it runs, which includes `cp` for a copy to another repo on the same machine.

Might also check memory usage in top during the run.
"""]]