Hi Jesse,
I found your email address in exit relay descriptors run at USU [1].
There has been an interesting comment on a recent boingboing post [2] that implies that USU exit relays store significant amount of logs without going into much detail:
dweller_below August 5, 2015
A very similar thing happened to USU. We received a summons from Homeland/ICE to produce 3 months of records (plus identifying info) for an IP that was one of our TOR exit nodes.
I eventually managed to contact the Special Agent in charge of the investigation. He turned out to be a reasonable person. I explained that the requested info was an extremely active TOR exit node. I said that we had extracted and filtered the requested data, it was 90 4 gig files (for a total of 360 gigs of log files) or about 3.2 billion log entries.
[...]
If you can confirm that the comment is authentic I'd be interested what kind of tor related data you are logging at your exit relays and why.
thanks, nusenu
[1] https://atlas.torproject.org/#search/contact:C20BEC80 [2] http://boingboing.net/2015/08/04/what-happened-when-the-fbi-sub.html