How do you backup your data? Do you have file based backups or do you backup the whole disc partition as an image? Do you use external drive or cloud? After years of trying I've found a nice solution for my needs. To back up your library, you can use Time Machine. To see your photos on all your devices, you can use iCloud Photo Library. If you store your Photos library in a location that's part of a cloud service (for example, Dropbox, Box, or Google Drive), your library might be damaged by the syncing process. You cannot use a drive that is shared on a network: Move your Photos library to save space on your Mac - Apple Support To prevent data loss, Apple doesn't recommend storing photo libraries on external storage devices like SD cards and USB flash drives, or drives that are shared on a network.Īnd Apple advises against any cloud storage (but its own): Updating from iPhoto to Photos for macOS - Apple Support apple's own iCloud Photos understands the structure of a Photos Library, but other cloud services may break the internal inks in the library when syncing it.

It is not only the file system format that will cause problems, but also the syncing with the cloud storage. Some say a cloud service can not effectively backup a Photos Library because of formats (OSX Extended ? The Photos Libraries on all your devices will always be in sync and kept identical with the version of your library in iCloud. But it is not an archival backup, but a syncing service. If you use iCloud Photos you can recover your photos from iCloud, if your device is lost or stolen.

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