Time Machine 2tb limit?

jelockwood wrote:

btaroli wrote: chirpa wrote: 2TB is the current limit. The filesystem on the NAS currently has a 2TB per file limit. Same limitation applies to regular files via CIFS/NFS/etc, even iSCSI targets. How is a per-file limit relevant to TM? TM creates sparsebundle packages (a folder) that contain several files as segments representing the entire volume. Therefore, it would stand to reason that any given segment might be limited to 2TB, but how does that translate to the whole sparsebundle? I believe the ReadyNAS is creating the TimeMachine partition as an image on the underlying EXT3 file system, and since EXT3 only allows 'files' up to 2TB in size, this limits the TimeMachine partition also to 2TB.)

As far as the filesystem goes, all they actually do is create a directory under /c, such as /c/.timemachine. iSCSI volumes do get created as you describe, though -- a file is created representing the image of the volume.