I was curious to know if some of my apps would work in Lion (esp. Logic)... So, I downloaded the Lion GM and installed it on a new partition on my iMac. I'm loving Lion, didn't notice the bugs (cause I wasn't looking for any), but I wanted to delete the partition cause it took up half my HD. I rebooted under Macintosh HD (by the way, I'm running SL 10.6.8) and I tried deleting the partition but all it says is "Partition Failed" I did the same thing in Lion's Recovery HD, but it says it can't unmount the (lion) disk. I tried many, MANY times and nothing's working. My Macintosh HD runs fine, except the Lion partition is taking up half the hard drive. Can someone help? I'm trying to get rid of this Lion partition and NOTHING works. I appreciate any help, thanks!