Mike Knight wrote:

> >The question is, should we continue to add additional frames to
> >the 3494 and use it with both RS/6000s?  Or, would it be better
> >to purchase an additional 3494 and run each server as a separate
> >RS/6000/3494 combination?
>
> We currently have one 3494 with several drives shared by two production
> servers and one test system, all running AIX 4.x.  This has worked
> just fine for us.  Ask your sales rep about the Secondary Server
> Attachment feature on the ADSM software.  This is lower cost than
> buying another Device Module 4 for the system sharing the library.
>
> One limitation is that there is no dynamic allocation of the tape
> drives.  You must define each drive to one ADSM system at a time and
> set the mount limit on the device class to match.  We have some
> drives cabled to two systems, but only one ADSM can have them defined
> at a time.  ADSM support has stated in the past that a shared 3494 has
> not been certified in their lab, so it is not supported if there are
> problems.  You might want to verify this.
>
>        Mike (Just another user, not IBM support) Knight




        What is one were to use a SP system combined with NetTape?
        There still would be an allocation preblem, but perhaps
        that would be worked-out somewhere in there.

        Just a thought.

Benjamin Kokenge
GeoBank USA