Try this:

bplabel -ev A00121 -d <density> -p NetBackup -o -force

This will force an overwrite of the label to the tape making it available to 
be  used again

David

PS. if it is 4.5 replace the -ev with -m

Quoting "H.Wade Minter" <minter AT hcssystems DOT com>:

> I'm reusing some older NetBackup catalog tapes via 
> "/usr/openv/netbackup/bin/admincmd/bpbackupdb -v", and got this error:
> 
> #####
> Subject: BkupDB on - 168 NetBackup Database Backup Status
> 
> Host: neon
> Date: 02/18/2003 08:00:00
> 
> NB database backup to media id A00121 FAILED
> 
> Exit status = cannot overwrite media, data on it is protected
> 
> NO paths were backed up
> #####
> 
> Googling didn't give me any clues on this error, or how to fix it.  The 
> tape itself is not write protected.  What do I need to do to "unlock" 
> this tape?
> 
> Thanks,
> Wade
> 
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