I have renamed all the tables on enwiki on db1089:
root@db1089.eqiad.wmnet[enwiki]> show tables like 'T174%'; +-----------------------------+ | Tables_in_enwiki (T174%) | +-----------------------------+ | T174802_ep_articles | | T174802_ep_cas | | T174802_ep_courses | | T174802_ep_events | | T174802_ep_instructors | | T174802_ep_oas | | T174802_ep_orgs | | T174802_ep_revisions | | T174802_ep_students | | T174802_ep_users_per_course | +-----------------------------+ 10 rows in set (0.00 sec)