Thanks for the information this worked as designed. Here is the
information I found for this STORCLASS:

Problem 
Duplicate Tape Volser Bypass - [EMAIL PROTECTED]  
  
Solution 
SMS does not support duplicate tape volsers. In an SMS environment where
an IBM ATL or VTS exists, the mount will always be directed to the IBM
library that contains the duplicate volume regardless of any unit /
device parm specified. This is because SMS detects that they are in an
IBM Library environment early in the allocation process by calling OAM
to determine if the volser in question might be a library volser. If a
TCDB entry is found, or the Tape Mgmt. System (ie. RMM / CA / TLMS /
ZARA) indicates it is a library volser via CBRUXVNL, then the mount will
be directed to an associated library drive. This will result in either a
RC8 RSN51 failure indicating that 'you cannot do a specific mount of a
scratch volser within an ATL' (if the duplicate ATL volume is in SCRATCH
status), or worse, the mount of the wrong volume inside the ATL. 
Library users that need the ability to mount foreign tapes with
duplicate volsers on NON-SMS Standalone drives now have a way to bypass
this restriction. With SMS's introduction of the reserved storclas
[EMAIL PROTECTED] (OW39564), customers can now request that the allocation be
forced to the NON-SMS standalone allocation path. As long as the
customer specifies DISP=OLD and [EMAIL PROTECTED], SMS will force the
allocation to NON-SMS. 

Note: [EMAIL PROTECTED] is a reserved SC name. It must not be defined in the
SCDS. 

The use of storageclass [EMAIL PROTECTED] is preferred to the use of a dummy
volser and BLP in the JCL. 
 
Thanks for the assistance.

Thank You 

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of Mark Zelden
Sent: Tuesday, May 01, 2007 2:38 PM
To: [email protected]
Subject: Re: SMS problem

On Tue, 1 May 2007 13:54:55 -0500, Mark Steely <[EMAIL PROTECTED]>
wrote:

>Thanks for all the info on switching the COUPLE datasets. 
> 
>I have a problem with SMS and calling in a tape dataset that is 
>received from an outside vendor. The tape volser does match a in-house 
>volser. I am doing a gener and have the volser, dsn, expdt=98000, and 
>dataclas specified. When the job is submitted it allocates the VTS 
>drives and calls for the in-house tape. When I change the input volume 
>(SYSUT1) from disp=shr to disp=new it calls for the correct tape device

>and tape volume. This seems to only happen when the outside tape 
>matches an in-house volser. We are z/OS V1R7.
> 
>Any help would be appreciated.
> 

>From the DFSMSdfp Storage Adminitration Reference:

With [EMAIL PROTECTED] and DISP=OLD and VOL=SER=nnnnnn specified in the
JCL, you can access an imported tape outside an automated library for
input if you have another tape with the same volser in a system-managed
library.

Mark
--
Mark Zelden
Sr. Software and Systems Architect - z/OS Team Lead Zurich North America
/ Farmers Insurance Group:  G-ITO mailto:[EMAIL PROTECTED] z/OS
and OS390 expert at http://searchDataCenter.com/ateExperts/
Systems Programming expert at http://expertanswercenter.techtarget.com/
Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html

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