The most I have been able to get is 160 MB/s with no backups running writing to 
5 LTO2 drives, as soon as backups stat kicking off the performance goes down 
incrementally. Is there a method to get full performce throughout, bu eithe 
using the EMC SN upgrade for the CDL, or by replicating the data to another 
separate CDL and cloning from there?

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