You could use bpsyncinfo if you'd like to script this.

Or you could have multiple tapes with the same barcodes, though only
one set in the library at a time.

Or you could use Vault Extension to automate all of this for you.

Kovar, David writes:
> Greetings,
> 
> We'd like to send the most recent catalog backup tape off site with our full
> dumps each Monday morning. There doesn't appear to be any need to keep it
> offsite for more than two weeks since the next full dump will go with a more
> recent copy of the catalog.
> 
> I can put multiple tapes in the NetBackup volume pool, but I cannot
> configure the system to use more than two tapes - Media 1 and Media 2. This
> means that I need to reconfigure the catalog backups each Monday to reflect
> the current tapes that I'd like to use. This isn't a major headache, but I
> am trying to make this as hands off as possible.
> 
> Is there any way to get NetBackup to use more than two catalog tapes
> automatically?
> 
> -David
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-- 
Larry Kingery 
  If one synchronized swimmer drowns, do the rest have to drown too?