March 2007
Beginner
526 pages
13h 53m
English
book
Introduction to the New Mainframe: z/VSE Basics
by Wolfgang Bosch, Hans Joachim Ebert, Helmut Hellner, G. M. (Jerry) Johnston, Wilhelm Mild, Ingolf Salm, Joerg Schmidbauer, Martin Walbruehl, Mike Ebbers
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380 Introduction to the New Mainframe: z/VSE Basics
15.3.3 IPL and system startup
The process of IPL and system startup is also referred to as Automated System
Initialization (ASI). The IPL process is either controlled by procedures from the
IJSYSRS.SYSLIB sublibrary or by entering the IPL commands interactively at
the console.
The first procedure that is to be executed is the ASI Master Procedure
$ASIPROC. In an environment with multiple z/VSE systems sharing the
DOSRES (system residence) disk device or an environment where two or more
z/VSE Systems run as guest systems under VM, this procedure serves to define
the following IPL and JCL procedures. You can also define a STOP parameter
that allows stopping the IPL process for one or more IPL ...
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