Disk integrity checks appear to have been dropped from Safe Boot. OpenDirectory databases are rebuilt. With a full listing of all blocked extensions.
APFS
Some important similarities, such as the entry marking the beginning of startup, but plenty of changes in APFS and security entries.
Apple’s release notes for Catalina 10.15.1 are quite detailed, at last, and specify improvements and fixes to support […]
You’re stuck using hard disks with High Sierra or later. Could enabling defragmentation on them overcome the performance problems of APFS?
Start up in Safe Mode: should it start by checking and repairing your boot disk, or should you do that separately in Recovery Mode?
The third successive macOS upgrade brings fundamental changes which could so easily have resulted in catastrophe. How did Apple pull it off?
There isn’t as much choice in HFS+: you have just two devices for dividing a disk, volumes and […]
Third party tools for checking and repairing APFS are still very limited. Is it better to use fsck to check and repair APFS?
Snapshots are one of the crown jewels of APFS, and very powerful. Why then has Apple made them almost impossible to use?
Very few apps are able to make APFS snapshots – Time Machine, Carbon Copy Cloner, and SuperDuper! Why aren’t they more accessible?
The Eclectic Light Company 