Can someone explain this for me. From what I'm gathering it wanted to delete my TM and restart it correct? Its been over 24 hours and the TM control panel still says "Preparing Backup". If I cancel that, in the upper right under TM it says "Preparing to Complete First Back up". Should I continue to wait? There is no network activity from that Mac or into the NAS. I'm starting to lose my mind. I been able to move somethings to external drives but I'm out of space so I'm assuming I don't have a backup currently. There are a lot of things I can't afford (literally) to lose this is why I'm using a back up in RAID. In my time machine folder there is a file which I'm assuming is my previous backup labeled as "My Name iMac.purgeable" what is this? Should I move it out of that folder? Delete it? Somehow restore it? Is there something I should be doing? My backup is going to be nearly 2 terabytes so maybe this wait is normal? Any help is greatly appreciated!