Thanks Davina for the clarification. I did as you suggested. As a test,
I disabled the other two NDMP devices, then I kicked off a backup of an
NDMP client where there's only about 6GB of data. It did not work. Any
ideas?

Here's a snippet of the /nsr/logs/deaman.log file:

# tail -f /nsr/logs/daemon.log
NDMP Service Error: E:  ------      E R R O R     -------
NDMP Service Error: E: (130 0001) NdmpdTape::open: error opening tape
device: /dev/rmt/6cbn: Bad file number.
NDMP Service Error: E:
******************************************************************
NDMP Service Error: E:
******************************************************************
NDMP Service Error: E:  ------      E R R O R     -------
NDMP Service Error: E: (130 0001) NdmpdTape::open: error opening tape
device: /dev/rmt/6cbn: Bad file number.
NDMP Service Error: E:
******************************************************************

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