That is very annoying! Especially with external drives being so cheap.
A great backup program is anything that is rsync based. Grsync is free & open-source GUI front-end for rsync that works in Windows, Mac OS, and Linux. Get it!
Thanks! Just finished the transfer. Although I was never able to get an rsync command to start a transfer I was able to find a very old GUI someone made that worked ok.
>If you store them on a cloud server, they can get corrupted. Download them to a hard drive of some sort now.
If you store them on an external hard drive, they can get damaged or stolen. Sign up for Dropbox, Copy, OneDrive or some other cloud service for offsite backups.
Also, numerous free apps exist for automating the process of making backup copies. I recommend Grsync but there are many others.
Okay, but in case it fails again, you can leave out the 'r' flag for individual directories and there's a gui called grsync available through like every package manager. There's also --dry-run which does exactly what it says.
rsync is really simple but very, very handy, so it's worth trying out if you move any amount of data in Linux. I use it in place of cp and mv (with --remove-source-files) if what I need copied is of any importance whatsoever. Hope things worked out for you!