You can also try using the script 'tpidclr' to accomplish this en-masse:

http://www.xbpadm-commands.com/download.htm#tpidclr

RCA


"Labonte; L R (Leo); SITS" wrote:
> 
> In the past, we were an all BudTool shop.  We are now retiring
> out last BudTool servers and replacing them with NetBackup
> servers.  Some of our BudTool tape libraries used DLT4000 tape
> drives.  We have one NetBackup server that has a STK 9714 tape
> library with DLT7000 tape drives.  We reuse our old BudTool tapes
> in this library by first destroying the tape label with a file
> mark.  Put a BudTool tape in a DLT7000 tape drive and do this:
> 
> mt -f /dev/rmt/0cbn rew
> mt -f /dev/rmt/0cbn weof
> mt -f /dev/rmt/0cbn rew
> 
> This will at least make the tapes usable by NetBackup.  Using
> hardware compression, I recall recording at 90GB per tape.
> 
> CAUTION: You may do damage to your DLT tapes by bulk
> erasing.  We only bulk erase when we throw tapes away.
> 
>         Leo
> 
> -----Original Message-----
> From: Douglas Ritschel [mailto:Douglas.Ritschel AT fnc.fujitsu DOT com]
> Sent: Thursday, August 23, 2001 10:30 AM
> To: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: [Veritas-bu] Reusing tapes in a DLT7000 that were originally
> written to in a DLT4000 using Budtool
> 
> Does anyone know if there is a need to do a bulk erase, on tapes that
> were originally written to in a DLT4000  using Budtool, in order to use
> them with Veritas Netbackup in a DLT7000 (and take advantage of the
> higher capacity capability of the DLT7000).
> 
> --
> Douglas Ritschel
> Fujitsu Network Communications
> Two Blue Hill Plaza, Sixth Floor
> P.O. Box 1609
> Pearl River, NY 10965
> Ph: 845-731-2101 Fx: 845-731-2011
> Douglas.Ritschel AT fnc.fujitsu DOT com

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