I managed to fix the problem, grsync had a "Warning" button at the bottom that i had no clue about or that it did anything, the button filters the log and only shows errors and makes the log much smaller. Makes the log 1 megabyte, rather than the much larger unknown size.
Also see my post/this link for more details as to what I'm doing:
https://forum.zorin.com/t/i-need-to-backup-an-internal-ssd-500gb-zorinos-drive-using-a-zorinos-usb-drive/40537/12
