Board Thread:Naruto Discussions/@comment-24120130-20140725123237/@comment-24531362-20140827094626

Well, he was interested in the Kekkei Genkai because it was a Kekkei Genkai he didn't have. I have been referring to the various sage modes by the location of the training that we have seen for simplicity's sake. And, while I find it likely that Orochimaru knew Jiraiya had Sage Mode, I do not know if he understood it as something different than what he had, because he couldn't access the mode itself.