• Over a network
  • If the files are easily compressed and both machines are fast: rsync -avz
  • Otherwise: rsync -av
• Mirroring a hard disk with issues
  • rsync -avc

If you're copying to a FAT filesystem, use rsync -rtlD --modify-window=2. FAT filesystem time resolution isn't as exact as, say, ext4, so modify-window gives some wiggle room to time comparisons.

From https://superuser.com/a/1785111

You probably want --remove-source-files. Verify that copies work first! Chaining an equivalent rsync with --remove-source-files added after the first rsync can help you verify before committing to the deletion.

• https://devhints.io/rsync – Shows the 90% of commands you're likely to use