Consider the fidelity of backup copies, the speed of a backup method, and the risk of losing the contents of that backup. And test backups by restoring samples from them.
backup
Classic TM backed up HFS+ to HFS+; current TM backs up APFS to APFS. But what if you want to back up a mixture of APFS and HFS+ volumes?
What’s in an APFS snapshot, and how the stages in its life-cycle work, from creation, through mounting and unmounting, to deletion and cleanup.
Preserve documents according to how much time or money would be needed to replace them. For work in progress, macOS versioning can be a great help.
How are snapshots made, and what do they contain? How are they sized, and can they grow? How can you copy a snapshot, or remove a file from one?
You can disable its checks of scheduling, and it better analyses Speed in Big Sur, and backups in macOS 11-14.
Analysis of T2M2’s report from rotating Time Machine backups, including the first full backup made to a NAS.
Minor update to version 2 for recent macOS backing up using Time Machine to APFS. This lets you reduce the number of error messages shown.
For Big Sur and later, specifically tailored to provide full analysis and troubleshooting of hourly Time Machine backups to APFS in Sonoma.
How to back up all your iCloud Drive documents, minimise snapshot size, keep integrity checks in important files, and more.
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