Chiba-san, that is great! Thanks for taking the time to do this. Have you run through all the workflows? I ask in order to find if there are any words in the plugin that remain in English, which should be pushed to that dictionary file.
David, I'm not fully tested with controller yet and I have to check more details of UI with NetApp controller and each functions. After that, I'll be feedback required keywords to improve i18n support.