Mac OS X Unix FS limitation

Mac OS X Tiger icon
The maximum file size allowed for the Unix File System (UFS) in Mac OS X Tiger 10.4.5 is 4 GB.

File copy error
I found out about this limitation when i kept getting “Error code -1309” in trying to transfer some large files (more than 4 GB) to my external firewire drive which was formatted in Unix FS.

At the Apple Developer Connection site for Mac OS X, there is a comparison between HFS plus and UFS, but i do not see any mention of this 4-GB limitation. It would be nice to know this limitation before i wiped out everything on my external drive prior to converting it to UFS.

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Mac OS X et l’UFS | Le journal du lapinDecember 28th, 2012 at 07:01

[…] a surtout quelques limites — comme l’impossibilité de gérer les fichiers de plus de 4 Go, comme FAT32 — et pose des problèmes de compatibilité et de performances. Pour la […]

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