On 2009 Nov 28, at 15:31, riteme wrote: > I hope this is all clear. I would suspect that most readers are as confused as I am. > In sum, should i include an external media drive in my time machine backup, or keep it as a separate backup using chronosyc to it's own drive. Well, it looks like you know what you're doing and are thinking through the issues. As long as you don't back up a partition to another partition on the same drive, you'll probably be OK. If you want a better answer, rewrite your post to make it shorter and try again. Give us maybe two or three inputs and ask for one output.