Is nologging hint appropriate here? Its been a while since I did this stuff. I recall append only uses empty unused blocks.
Did you resolve the issue? if so, how did you do that. I have similar issue now.
Please share if you find any solution to this issue.
you are trying to get answers for 6+ years old question ... trace your session and see what it is doing.
Try hard to get what you like OR you will be forced to like what you get.