According to
http://www.iaea.org/newscenter/news/tsunamiupdate01.html, "all units at the Fukushima Daini, Onagawa, and Tokai nuclear power plants are in a safe and stable condition (i.e. cold shutdown)".
Dai-ichi is Fukushima I: 'ichi' is Japanese for 'one'.
Dai-ni is Fukushima II: 'ni' is Japanese for 'two'.