People mispronounced "Alana" all through my years of schooling. Don't even want to think about how little "Allama"'s name would get mangled...
Your name is Alana? That's a very nice name, indeed!
I wouldn't mispronounce "Allama," though I probably would mispronounce "Alana" with a long a in the middle. I have one of the worst last names I know of when it comes to mispronouncing, but I'm not going to share it with you guys.