Your Photos library holds all your photos, albums, slideshows, and print projects. If your library is large, and you want to free up storage space on your Mac, turn on iCloud Photo Library and use Optimize Mac Storage, or move your library to an external drive.
Copy the Photos Library to the external drive. You can drag and drop. Make sure all the photos are there, and that everything is working before deleting the Photo library on your Mac.
Before you start, be sure to back up your library.
You can store your library on an external storage device, such as a USB or Thunderbolt drive formatted as APFS or Mac OS Extended (Journaled).1 Find out how to check the format of your external storage device.
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.
After you open your library from its new location and make sure that it works as expected, you can delete the library from its original location.
In a Finder window, go back to your Pictures folder (or whichever folder you copied your library from) and move Photos Library to the trash. Then choose Finder > Empty Trash to delete the library and reclaim disk space.
If you have multiple libraries, here's how to open a different one:
Photos uses this library until you open a different one.
Hi Paul, You were right - I still did not set the path correctly (see below). Can you tell me how to set the DYLDFALLBACKLIBRARYPATH? Many thanks!!! And you can find the DYLDFALLBACKLIBRARYPATH value from a.log and b.log then you can try to run them manually by setting the DYLDFALLBACKLIBRARYPATH and we can hopefully understand what is. How to install Caffe on Mac OS X 10.11. Deep learning is a hot topic these days and it is greatly increased by the fact that AMD/nVidia video cards can be used for accelerating the training of very complex neural networks. In the meantime, some powerful frameworks have been developed by the community. DYLDFALLBACKLIBRARYPATH will not produce these problems. When installing libraries to a non-standard location, DYLDFALLBACKLIBRARYPATH is much more sane. This will look for symbols in libraries provided in the default paths and if the symbol is not found there, fall back to the specified path. Dyld_fallback_library_path mac caffe. In shell scripts used for unit testing with dynamic libraries in a directory other than the typical @rpath, I have previously been able to set DYLDFALLBACKLIBRARYPATH to set the directory containing the libraries. Under 10.11.1, bash seems to ignore attempts to set this environment variable.
If you have a permissions issue with your library, you might be able to resolve the issue by using the Photos library repair tool.
1. You can't move your library to a disk that's used for Time Machine backups.
2. If the volume isn't formatted APFS or Mac OS Extended (Journaled), or has been used for Time Machine backups but hasn't been erased, this checkbox will either not be present, or won't be selectable after unlocking. Erase and reformat the drive for this option to be available.