Tom,

How would CA1 even know about the back-end tapes?  AFAIK, all it knows about 
are the virtual tapes in the B20, although I will admit I don't know much about 
CA1.

Thanks,

Rex

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf 
Of Thomas Conley
Sent: Thursday, October 30, 2014 9:48 AM
To: [email protected]
Subject: Re: 3494 tape library and B20 VTS question

On 10/30/2014 10:31 AM, Pommier, Rex wrote:
> Hi all,
>
> We have a 3494 tape library with 3590 drives in it that is back-ending a 
> 3494-B20 virtual tape library.  We have about 17 TB of data sitting on 
> physical 3590 tapes in the 3494 as stacked logical volumes from the B20.  
> Does anybody know of any way of getting a list of the logical tapes on a 
> stacked volume straight from z/OS?  I know I can go to the physical library 
> and request a tape map, but was hoping there is a way to get this directly.  
> I dug through the books I know of and found nothing.
>
> We're looking at the migration effort to get off the 3494 and would like to 
> be able to mount a physical 3590 tape once and copy the entire physical tape 
> contents back to the VTS for copying to the replacement device (whatever that 
> ends up being)
>
> Thanks,
>
> Rex
>
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Rex,

Both RMM and CA-1 should give you the list of stacked logicals on the 
cart.  Importing the stacked volume should propagate the logicals to the 
VTS.

Regards,
Tom Conley

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