Adds a new log view of background task scheduling and dispatch, greatly improves volume info, and fixes a rare crash.
Disk structure diagrammed for comparison, from the partition table, to HFS+ and APFS volumes, with further references.
What you need to know about the APFS file system, its containers and volumes, so you can understand errors and how to repair them.
What you need to know about the HFS+ file system, so you can understand error reports and how to repair it using Disk Utility and other tools.
Apple says that if you run First Aid on a disk, each of its volumes is checked too. Is that really true?
One new tool to list capacities on mounted volumes, the other to deliver detailed information on keychains.
If something goes wrong with Catalina’s boot Volume Group, it seems there’s no way to repair it, or change the Data volume. Or is there?
APFS adds 6 volume roles, including one which supports Time Machine backups. And per-file encryption is coming.
What happens when you copy a large file to the same volume, or duplicate it, on the same APFS volume? Here are the answers.
The volume should only be half full, but installers and other software complains there’s insufficient free space. What to do.