MF-VS AND IPL

MVS  multiple VIRTUAL STORAGE

OS/390   SOTRAGE UNIT  SIZE 4KB

PAGING

CENTRAL FRAME 

VS    PAGE

DASD  SLOT

RELATEIVE TO CENTRAL

PAGING  IN  PUT INTO CENTRAL STORAGE

PAGING OUT  PUT INTO DASD

Real address  virtual address 

Dat dynamic address traslation

Virtual storage definition

Common area  shared code

User area     

JCL

SYSTEM DATA SET

COLLECTEED DATA

SYS1.MANXX

SYS1.DUMPXX

SYS1.DAEXX

SYSTEM LIBRARY ORGANIZATION

Sequential data set  record oriented

Partition data set

Member   

Directory

SYSTEM VOLUME

SYS1.NUCLESUS        CODE

SYS1.SVCLIB   ERROR RECOVERY ROUTINES

IPLTEXT  IPL PROGRAM

SYTEM RESIDENCE VOLUME(UNIT ADDRESS=250)

Cylinder 0 track 0  (similar to mbr)

Bootstrap  

Volume name 6byte  vtoc ,

Special Utility  write ipltext

SYS1.NUCLEUS

IEANEOCXX    VERSION CONTROL

SYSCATLG

NUCLE INITILIZAZITION PROGRAM      ------- MASTER SPACE   COMMON

PAGING SYSTEM ROUTINES

LOADABLE SYSTEM ROUTINES

SYSTEM PARAMETERS

INPUT/OUTPUT DEFINITIONFILES DS  VSAM FILE

IODF  

IO  CONFIGURATION

SYS1.PARMLIB

---loadxx    (specified by ipl  )

---ieasysxx(parameter mother )(specified by laodxx)

----commandxx

---master console

---system console

---vatlsm

Loadxx

--------IODF

--------NUCLEUS

--------SYSCAT

--------SYSPARM   

HAREWARE  REQUIREMENTS

--CONSOLE  MASTER CONSLE

--DASD

--CNETRAL STORAGE

IPL

LAOD COMMON AREA

MASTER ADDRESS

THE INITIAL PROGRAL LAOD

----LOAD  NUCLEUS

----LOAD MASTER CATALOG AND OTHERS DATA SETS

----LOCATION  MVS USING SYS1.PARMLIB

----BUILD FIRST ADDRESS  SPACE

----CREATE OTHER SYSTEM ADDRESS SPACE

STEP

------------------NUCLEUS SELECTION

1   LOAD UNIT ADDR 250  NUCLESU RESIDENCE ADDRESS   ADDRESS

CPC---CPU ,STORAGE,CSS

---CU—DEVICE

CU CONTROL UNIT

250 

CSS 2

CU 5

DEVICE 0

LAOD PARM   VERSION

THE CATALOG DATA SET IS DEFINED BY SYSCAT …………..

LOADXX  AND IODF  LOCATION MUST IN THE SAME VOLUME

MESSAGE SUPPRESSION

NUCLEUS IDENTIFIER

LAODXX OVERRIDE THE NUCLEUS

LAODING THE NUCLEUS

NUCLSTXX  CUSTERMERIZER(IN LOADXX)

MASTER CATALOG LOCATION

LOCATE  SYS1.PARMLIB

IEASYS------------SPECIFIED BY LAODXX

SHARING SYS1.PARMLIB   SINGLE ONE IMAGE

SYSSYMBOL  IDETIFIER SYSTEM

&SYSNAE SYMBOLIC

IEASYSNN (IMPORATNT  MOTHER OF OTHER MEMBERS)

--COMMAND

--IEASYS

CSA    COMMON SERVICE AREA

WORK AREA