Everything you need to know about Containers, Group Containers and Daemon Containers, providing a sandboxed Home folder for apps.
container
How to obtain and read entries in the Unified log made by APFS. Their structure, and a guide to their identification and occurrence.
Keybags, wrapping keys, VEKs and KEKs all explained. Did you realise how Recovery Keys are implemented? Or how the SSV protects against read errors?
From the GPT division of storage space, through APFS containers, down to individual volumes, an account of how APFS works.
A step-by-step account of how Disk Arbitration and APFS mount an external disk, from handling its partitions, to performing trims.
How APFS containers and volumes work. What hard links, clones and sparse files are, and when they break down.
From High Sierra’s four-volume group to macOS 12 on Apple silicon with three containers and 11 volumes, and both regular and fallback Recovery volumes.
APFS backup disks offer different possibilities for adding volumes for your own use, alongside the backup volume. How do you decide what’s best?
In Monterey, these haven’t changed much since Big Sur. However, those small differences are significant, particularly on M1 Macs.
The differences between HFS+ and APFS volumes explored. What a container is, and how to add new HFS+ and APFS volumes to a disk.
The Eclectic Light Company 