Since Catalina, reports of Time Machine backups slowing to a crawl have become common, but the reasons are unclear. It’s time for Apple to inform us.
AFP
Tackles decisions and problems, including whether to use APFS in the backup sparsebundle, AFP or SMB, and configuration.
Turning the data blocks into files and directories, these have common functions and additional features which can give rise to tricky problems.
Can you still share files using the AFP protocol, or must you contend with SMB and its bugs? And what about shared storage for Time Machine backups?
Additional info about how you can install and upgrade to High Sierra, its new Content Caching feature, how it changes firmware updates, changes to NVRAM, and more.
One out of my three Macs won’t share files with the others. Why not?
The Eclectic Light Company 