RESTORING THE STARTER SYSTEM TO DISK As performed for the IBCDASDI program, a user at the OSCMS terminal can
create a CMS file for the IBCDMPRS program and punch it to the virtual
reader of the OSVSSYS virtual machine. The starter tape is now positioned at the end of the first file and ready to load the second
file, the IBCDMPRS program. Use the OSVSSYS terminal to enter the
command:
ipl 181
To define the control statement input device to the program, follow
the same prccedure as in the volume initialization step. When the user
receives the END OF JOB message, the starter system has been restored to
the DASD voluae and can now be made operational. LOADING THE STARTER SYSTEM Tc start the interim starter system, enter the following command frow the OSVSSYS terminal:
ipl 350 clear When the user receives this message: IEA760A SPECIFY VIRTUAL STORAGE SIZE Enter a null line if the virtual machine size is less then 384K. For
the 768K machine used in this discussion. enter! R 00,'2048' Ccntinue replying to the prompting messages as directed in the apprcpriate system generation publication. When the user receives this message: IEE0481 INITIALIZATION COMPLETED Ready the starter system to process input, and enter the following
co.mands to start normal system operation: MN JOBNAMES,T START RDR,OOC START WTR,OOE START INIT.PO",A RESTORING DISTRIBUTION LIBRARIES TO DISK Ask the systea operator to mount a scratch pack as virtual address 351
tc contain the distribution libraries: #cp msg cp pIs mount scratch 3330 pack as 351
At the OSCMS terminal, create the IEHDASDR control statement file for
initializing the volume. Then, punch the file to the OSVSSYS machine
for executicn. Before executing the IEHDASDR utility program, vary the DASD volume offline. Section 4. OS/VS in a Virtual Machine 119
After receiving the completion message: IEH806I ANALYSIS OF DDNAME=SYSIN IS COMPLETE. VOLUME SERIAL NO.=DLIBA2 Vary the initialized volume back online. The IEBCOPY utility program is used to unload the distribution
libraries from tape to disk. The IEBCOPY control statements are in the form of load procedures and are contained in the first file of each
distribution library tape.
Have the system operator mount the distribution library tapes and
fellcw the procedures in the appropriate system generation publication
to unload the distribution libraries to either one or two DASD volumes
(depending upon their capacitn CREATING CARD DECKS FOR UTILITY PROGRAMS To punch out the independent utilities and IPt text, consider storing
the card images in the OSCMS virtual machine.
Before running the IEBPTPCH program, issue the CP command: Icp spool punch to oscms
This command sends the punched output to the OSCMS virtual reader. When the IEBPTPCH Frogra. has completed, enter the CP command: Icp close punch
This command releases the file to the OSCMS virtual machine. OSCMS console, enter:
readcard utility output
At the
This command creates a CMS file that contains all the card images punched. By using the CMS editor, create separate files for each
utility, add aFpropriate control statements, and file them for future
use.
INITIALIZING THE SYSTEM RESIDENCE VOLUME Initialize the new system residence volume from the OSCMS machine while
starting the stage I on the OSVSSYS machine. Use the editor to create an 1BCDASD1 control statement file, and identify it as 1BCDASDI CTLS. Use the EDIT subcommand GETFILE to insert the 1PL TEXT file (previously punched from the distribution library volume). Then, perform the initialization by entering:
cp specl punch to * cont
punch iFl ibcdasdi (noheader)
punch ibcdasdi ctls (noheader)
cp spool punch nocont
cp close punch
cp ipl OOc and replying to the prompting messages. 120 IBM VM/370 Operating Systems in a Virtual Machine
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