> The first thing I would do is follow the steps in the Performance 
> Tuning Guide to figure out
> where the bottleneck is.   Then determine how to fix that.  However,
> 1.5 TB in 3 days is about
> 21GB per hour, which makes me think you have a 100Mbs link somewhere
> in your path.

I do about 2.5TB to disk, and then clone to tape, in about 26 hours. This 
is over 8G Fiber Connected LTO-4 tape drives, and the AFTD device (disk 
space) is also over 8G fiber. 

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