Update Sept 17 2024 - Continues to work with MacOS Sequoia 15.0 for a Photo Library that uses 1.72 TB containing ~ 159,000+ photos and ~ 6400+ videos on an SSD disk.
Update: June 16 2023 - This configuration continues to work well. Currently running macOS 13.4 (Ventura) for a Photo Library that...
Update: You can find the final strategy I have settled on further down in the thread:
https://forums.macrumors.com/threads/backup-strategy-optimized-icloud-photo-library-on-mac-and-full-one-on-external-ssd.2351777/post-31738760
Hey guys,
I am considering to switch to iCloud Photo Library...