Mainframe, MVS and zOS Discussion

Posted: **Thu Jan 01, 2015 3:12 pm**

Hello All , We have a requirement to migrate the tape device from 3490/3590 to 3592.
Questions are -
(1) Do we need to create the GDG Model again in the new device ?
(2) What is the exact device type for 3592? is it 3592-J1A we need to give in UNIT Parameter?
Please advice what are all the changes needed for migration.
Following is the JCL.

Code: Select all

//STEP010 EXEC PGM=ADRDSSU                                   
//SYSPRINT DD  SYSOUT=*                                      
//SYSCASLG DD  DUMMY                                         
//VTS      DD  DSN=XXX.YYYY.ZZZZZ.VTS(0),LABEL=(1,SL),      
//             UNIT=TAPEDEV,DISP=(OLD,KEEP)                  
//REEL     DD  UNIT=(3490V,,DEFER),DISP=(,CATLG,DELETE),     
//             DSN=XXX.YYYY.ZMWNJS.SHD0272(+1),VOL=(,,,99), 
//             LABEL=RETPD=35,DCB=EXAMPLE.GDGMODEL           
//SYSIN    DD  *                                             
  COPYDUMP -                                                 
  INDDNAME(VTS) -                                            
  OUTDDNAME(REEL)                                            
/*

Posted: **Thu Jan 01, 2015 10:03 pm**

1. A GDG is not based upon a particular device so you won't need to redefine the bases.

2. Talk to your site support group -- the specific UNIT will depend upon how it is defined at your site. For example, your UNIT 3490V does not exist at my site so running your JCL would cause a JCL error without running the job. Unit names are very specific to each site and hence any advice you get here will not help you unless it is from someone working AT YOUR SITE.

Posted: **Thu Jan 01, 2015 11:20 pm**

thanks so much robert.

Posted: **Thu Jan 01, 2015 11:30 pm**

1. Also, with SMS, you don't really a GDG Model.

2. As Robert has said, a unit name is site specific. Though the one rookie way to know the unit name is try all unit names in your JCL which you can think of and SUBmit the JCL, but this is not intelligent - though, asking your site support of Tape Management Group (TMS) is!

Just curious - Are you from Application Team?

Posted: **Fri Jan 02, 2015 12:41 pm**

Thank you Anuj. Yes I'm from Application Team. I will get in touch with my TMS Team.

Posted: **Fri Jan 02, 2015 2:18 pm**

Thanks - keep us posted when you get it going.

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