In fact, this is a general side-effect of having media servers "own" their 
media, rather than listing it in the central-catalog.

What is the rationale for this design, and will it be changed at some point in 
the future so that I can easily migrate media between servers, etc?

Thanks.

Andy Steingruebl              | e-mail: steingra AT pprd.abbott DOT com         
 
Unix Systems Admin/Programmer | phone:  (847) 935-4728                    
Unix/Network Security         | fax:    (847) 935-0142                    
Abbott Laboratories, PPDR&D   | post:   100 Abbott Park Road, D472 - AP9A
                              |         Abbott Park, IL 60064-6115


"George Roper" said:

>Re: Connecton of two hosts to a single robot
>
>I have an ATL P1000 with 4xDLT7000 tape drives installed. I have two UNIX 
>hosts, each connected to two drives. I have created two Storage Units (SU), 
>each containing two drives, associated with each system. I believe this is 
>the usual way of creating a 'split robot' configuration.
>
>I have observed that a tape, allocated to and written by one SU is not
>available to the other, despite the tape being physically accessable
>to the other SU.
>
>This has the effect of creating a pool within a pool eg. PoolX has tapes 
>that are accessable to both SUs, if SU_A requires a tape it cannot access 
>and use any tape that has been previously used by SU_B (unless the volume 
>has expired) even if it is a tape from the required pool with space 
>available on it.
>
>This behaviour has serious implications to my volume allocation strategy (I 
>keep getting error 96 - no media available, despite there being plenty of 
>tapes for the requested pool available within the robot)
>
>My questions:
>
>  o Is this behaviour correct?
>  o Is there a way of modifying it so that one SU can gain access to
>    the other's volumes?
>
>
>Can any-one help?
>
>George
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