TechInfo:OS:IBM Mainframes:MVS

From neurotica.com

MVS under VM

Logon as MVS from your first session, then from a second 3270 session do DIAL MVS ccu from the logon screen, where ccu is the address for the real MVS console. Then IPL MVS.

• Option 1
  • Remove any IPL statement from your MVS' user directory entry, and DIRECT
  • Log on as your MVS user
  • Issue IPL cuu STOP (The 'STOP' keyword will force an ADSTOP at the 1st executed instruction address after IPL)
  • DIAL to your MVS user
  • Type Begin (B) at the MVS user logon terminal

• Option 2
  • Add DEDICATE cuu vcuu statements (cuu is the real device address, vcuu is the virtual address in your virtual machine)
  • Disable the target terminals (CP DISABLE cuu)
  • Connect the 3270 terminals
  • Logon as your MVS user
  • IPL your system if the IPL is not specified in your directory

• Option 3
  • Add Class B to your MVS user (USER MVS MVSPASS nnM mmM BG in the directory)
  • Have your MVS user IPL CMS - Issue DIRECT command
  • Modify your MVS user's PROFILE EXEC to include
    • CP DISABLE Cuu
    • ATTACH Cuu * VCuu
  • IPL CMS/Logon your MVS user
  • IPL your MVS system (or include this step in your profile exec)