Scott, how are you going about creating the partition and what sort of errors are you getting when you try to mount?
I was booting into recovery - I have CWM installed. I use adb shell and get the root prompt. I then go into parted. When I firs...
the fstab file is /etc/vold.fstab.
I was able to fix the terrible idle battery life by getting rid of the Phone service and app.
Symptom was Android System/OS at top of battery usage (at ~50%). Did some research and came across a good ...