Just to reiterate: a hard link means that the file is accessible as if it were in multiple locations, but is only deleted when the last reference to it is deleted from the disk. The issue was twofold: Where are file stored? And what happens if he moves the Photos library off the main drive?īecause of hard links, you can just copy a Photos library to another drive and delete the library from its origin, and iPhoto is unaffected. He wanted to migrate his Photos library, but continue to use iPhoto.
How much deos macbook system storage take mac#
If that destination is removed, the aliases break.)įor Macworld reader Josh, this became an issue, as he has his old iPhoto library and and a new Photos one, and is running out of storage on his main Mac drive. (This is in contrast to aliases, which are stub files that point to another file or folder. You can delete all but the last hard link and the file remains on disk. Those pointers act exactly as if they were the original file. I and others have explained this before at Macworld, so I won’t go into great depth, but Apple relied on hard links, a special kind of file alias that allows a file to be stored a single time on disk and have multiple pointers to that file.
How much deos macbook system storage take upgrade#
Because iPhoto retains the originally imported images without modification, an upgrade to Photos would require duplicating all of those images, plus importing any modified versions stored in the library. When Apple released Photos for macOS, the company chose a clever approach to reduce Photos’ storage consumption, knowing that most users would be upgrading an iPhoto library.
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