Arq, (For backups to AWS - though obviously supports every cloud back end under the sun) and "Data Backup" by ProSoft engineering (For backups to USB) are my goto backup tools for day-day ensuring all my work documents are kept up to date. Yes, I have Crashplan (for the last couple years, backblaze for the three years before that) - but the constant chewing up of CPU cycles gets annoying after a while. And both crash…
like deleting backups of Hard Drives that haven't been plugged in for 6 months Wait - what? If your hard disk gets lost or destroyed, how do you protect those backups?
It makes sense; they're not an open-ended data archival company. If you don't have a copy of the data locally, you can't expect CrashPlan to keep the one true copy indefinitely. Connecting the data to the internet twice a year doesn't seem too onerous to show evidence of that, particularly for a cloud backup, the entire premise of which is that you're connected.