I used:
/usr/openv/netbackup/bin/admincmd/bpduplicate -v -dp Registry_offsite 
-dstunit backup1-dlt-robot-tld-0 -class NYRA_ORA -sl Full  -L 
./duplicate_log.1119.1235 -s 11/14/2001 -e 11/14/2001 &

I've used both -v and -L: the log file is empty.

Ryan Anderson wrote:

>Use the -L <logfile> option to bpduplicate. Even better, use the -v with -L to 
>get verbose logging. 
>
>RCA
>
>--
>Ryan C. Anderson
>Unix Administrator
>United Defense L.P.
>desk   763.572.6684
>pager 952.235.9936
>
>>>>Fahd Sultan <sultan AT register DOT com> 11/19/01 01:25PM >>>
>>>>
>Hi,
>I'm attempting to make duplicates of a backup for offsite storage.  It 
>seems that one of the duplicates is still running (from bpps -a) and 
>that one of them has completed.
>How do I get more info?  I want to know the backup_id of the dup, the 
>media_id, if it was successful, which media was used, etc. I'm trying to 
>figure it out with "bperror -l -all -hoursago 2" but the output is very 
>cryptic.
>
>fahd
>

-- 
Fahd Sultan                             
Manager of System Administration
Register.com, Inc.              
Phone: 212.798.9206