How to run one-off backups, how to cancel automatic backups, and how to set your own backup schedules.
backupd
When Time Machine seems to take a long time preparing the next backup, or gets stuck, here is how to diagnose and deal with it.
macOS Sierra doesn’t run periodic backups using a simple mechanism. Here’s the story in full detail.
Working out why Time Machine backups go wrong isn’t necessarily that different from unravelling classical mythology. In some ways.
The Eclectic Light Company 