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z/OS MVS System Initialization Logic - Messmer The Brain House

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Dataset Considerations – the big Picture<br />

Load Operation<br />

Load Address<br />

dddd<br />

Load Parameters<br />

dddd xx i n<br />

IODF Volume<br />

SYSn.IPLPARM or<br />

SYS1.PARMLIB<br />

LOADxx<br />

SYSPARM xx<br />

IEASYM xx<br />

SYSPLEX Name<br />

SYSCAT<br />

IODF<br />

IODF Dataset<br />

UCB‘s and EDT‘s<br />

Zürich | 26. Oktober 2004<br />

IMSI Field<br />

Master Catalog<br />

Introduction<br />

SYSRES Volume<br />

R1 = IPL Record<br />

R2 = Bootstrap<br />

R4 = IPL text<br />

SYS1.NUCLEUS<br />

IEANUC0n<br />

SYS1.PARMLIB<br />

Member IEASYS<br />

Modified by the Member<br />

IEASYSxx<br />

IEASYMxx<br />

contains Symbolics<br />

<strong>The</strong> Operator can override<br />

many Settings by using<br />

prompting in the LOAD<br />

Parameter IMSI Field<br />

© 2004 IBM Corporation 6

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