> We are setting up NDMP backup from our celerra (DDS attached LTO3 drives, 
> 2gbit fibre channel) and have the option of either dump or tar.  Both seem 
> to work, I don't see major differences in the time to backup between the 
> two.  I'm seeing throughput averaging about 35MB/sec for both methods on a 
> single datamover.
> 
> Any reason to go with one method over the other?
> Any tricks to improving the throughput?

Does DAR work with either or both?  If all the data is in both, and the
recovery setup can find the data, I don't know that I would care about
the format.

-- 
Darren Dunham                                           ddunham AT taos DOT com
Senior Technical Consultant         TAOS            http://www.taos.com/
Got some Dr Pepper?                           San Francisco, CA bay area
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