You won’t be able to copy them from the drive, for example. Most of the files within your backup will be basically useless. This basically will “break” your Time Machine backup. The problem can become apparent if users try to covert an HFS+ volume that’s been used as a Time Machine drive to AFPS.īecause AFPS doesn’t support hard links, the hard links that have been set up during a Time Machine backup will be destroyed. These snapshots use a mix of hard links for files that haven’t changed since the last backup, and actual new files for files that have changed.īut, without hard link support in AFPS, users can run into trouble. In the most basic terms possible, Time Machine uses these to save time when backing up a user’s files.Īfter creating a full backup, Time Machine uses folder-based snapshots. Often, there are multiple hard links that point toward a single instance of a file. Hard links, put simply, are pointers to a file. APFS vs HFS+: Time Machine & Hard LinksĪFPS doesn’t support directory hard links, which Time Machine relies on heavily in HFS+ formatted drives. You can run into issues if you convert your HFS+ drive to the APFS format, which can be done in Disk Utility without any warning prompt. ![]()
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