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
Content preview from Introduction to the New Mainframe: z/VSE Basics
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Chapter 3. z/VSE overview 73
3.2.6 Physical storage used by z/VSE
Conceptually, mainframes and all other computers have two types of physical
storage
14
:
The physical storage located on the mainframe processor itself. This is called
processor storage, real storage, or
central storage. Think of it as memory for
the mainframe.
The physical storage external to the mainframe, including storage on direct
access devices, such as disk drives. This storage is called paging storage or
auxiliary storage.
The primary difference between the two kinds of storage relates to the way in
which it is accessed, as follows:
Central storage is accessed synchro ...
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