Thank you all for the information thus far.

Can any of you provide real world backup times for full tree traversal backups 
to TSM using NDMP?  I understand my mileage may vary depending on the data and 
it's size as well as the hardware configuration but there must be a fairly 
standard throughput rate for file server data.

Lastly I'm not sure I understand why an incremental backup cannot be run on the 
Isilon.  Please explain.

Thanks in advance,
Jeff

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