-- How do I check for the -mpx on my bpduplicate? The entire job is run through 
a GUI interface so I have never seen that option.


I first backup to tape and that is multiplexing so lots of jobs run at the same 
time. Then, I start duplication from the current tapes to new tapes. For some 
of the server images, it goes pretty quickly and I can actually watch the file 
size go up as it duplicates. 

Are you specifying -mpx on your bpduplicate? If you don't, the backups 
will be "de-multiplexed" on the copies, which mean it will have to go 
through the original tapes several times to pick out each backup image 
individually. If you use -mpx, it'll grab all the backup images in one 
pass and leave them multiplexed on the copies.

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