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by diroussel 4087 days ago
I've had HFS+ corrrupt my TimeMachine partition, and Disk Utility was unable to repair it. DiskWarroir was no use as the volume was too big (the new 64-bit version addresses this).

HFS+ is still unreliable. The journalling is only for file system meta data. The data in the files is not journaled or checksumed, and can be corrupted without detection.