I used the exit routine, CBRUXENT on the OS/390 machine, to validate
     the volume serial numbers of tapes entered into the ATL.  The serial
     numbers on my OS390 tapes start with "A" and the serial numbers on my
     AIX tapes start with "B".  Tapes that start with "B", I set the ignore
     return code which leaves them in the insert category in the ATL.  When
     I do a checkin from the AIX side it takes all tapes in the insert
     category and checks them into the AIX side.  There is a sample exit in
     SYS1.SAMPLIB(CBRSPUXE).
     Jim



______________________________ Reply Separator _________________________________
Subject: 3494 configuration for new ADSM AIX Server
Author:  "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>  at IPNET
Date:    8/13/99 8:21 AM


Hello all,
We've got a problem with our IBM 3494 Tape Library that we want to share with
our OS390 ADSM & new AIX ADSM Server environments.

The library has up to now been used solely for the OS390 environment for all of
our mainframe tape requirements. DFRMM is the management software that ADSM has
an exit to to control the tape usage.
We have now installed another Server on an AIX platform and we have defined two
drives & the library to that Server. However, whenever a cartridge is entered
into the library, the library assigns it to the OS390 environment before we are
able to issue a 'Checkin' command from the AIX server.
Does anybody know if there is a configuration change that needs to be applied on
the 3494 library to allow to seperate environments to use the ATL.

Can anybody help!?!?!

Thanks,
Nick.