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 15. Overview of system programming 379
For the system startup we have to differentiate between two different device
characteristics of the disk from where the initialization programs are loaded.
z/VSE supports channel-attached disks and FCP-attached SCSI disks.
15.3.1 IPL from channel-attached disk (CKD or ECKD)
For a native z/VSE system in a LPAR the initialization process from a
channel-attached disk begins when the system programmer selects the LOAD
function at the Hardware Management Console (HMC). You have to specify the
device address of your SYSRES volume (which customarily has volume serial
number DOSRES).
Running z/VSE as a VM guest, the IPL cuu command is used to start the system,
where cuu is the disk address of your SYSRES ...
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