As far as team chemistry goes, Ianello's already removed most of the players that were against him, and most of the rest graduate after this season.
After this season, the just about the only players on the team that are not Ianello guys will be in the senior class. So Ianello would be bringing in his own senior class to offset that.
So we had better show significant progress with a team made up almost entirely of Ianello's own players and a dozen BCS transfers and JUCOs in our senior class (the ND guys, Suel, Price, Griggs, Blake, Rizzo, and Sabbat). By "significant", I mean at least four wins. Three or less and Ianello absolutely has to go, assuming that we inexplicably choose to keep him after this season.