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10.5: Set up Time Machine on a NAS in three easy steps
Authored by: GaelicWizard on Jan 10, '10 09:13:23PM

I think that you're confused about what "sparse" means. I suspect that you believe that the files which together compose the "sparsebundle" disk image are in-themselves "sparse files", which is not true. HFS+ does not implement sparse files. The _disk image_ is sparse in the sense that the file system _within_ the disk image is larger than the disk image itself, that is: the file system inside the disk image is stored within the disk image in a sparse way, such that parts of the file system which are not useful are not stored in the disk image on the _physical_ disk.

JP



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