Upda tin; eMS VSAMGEN requires a read/write A-disk
available. If an A-disk is not available,
following messages and terminates:
and checks that one is VSAMGEN issues one of the DMSVGN069E DISK 'A' NOT ACCESSED DMSVGN361E DISK 'A' IS NOT A CMS DISK You are prompted to enter the release level of the DOS/VS starter
system you are using: DMSVGN369R ENTER RELEASE NUMBER OF THE DOS/VS STARTER SYSTEM: You should enter 31, 32, or 33 or 3q. If you enter anything else, you
receive the message DKSVGN369E INVALID - RELEASE 31 OR LATER REQUIRED and the VSAMGEN EXEC procedure terminates.
If you are a DOS user, you are asked to identify the DOS/VS relocatable library by filemode. DMSVGN362R ENTER MODE OF DOS SYSTEM RELOCATABLE LIBRARY DISK: Next, VSAMGEN disk and invokes
indicate whether
both.
checks that the files it requires are on an accessed
the CMS/DOS environment. You are now prompted to
you want to update VSAM or access method services or DMSVGN36QR ENTER 'CMSVSAM' OR 'CMSAMS' OR 'BOTH' FOR GENERATION OF NEW SYSTEM (S). Now, you must indicate whether the updates you are applying are in
card format or on tape. Respond to the message: DMSVGN380R ENTER 'TAPE' OR 'CARDS' FOR PTF APPLICATION: The following two sections describe the procedure
and tape PTFs to CMS VSAM and access method services.
f or a ppl jing If you reply CARDS, you must already have placed each PTF deck, with a CP ID card as the first card in the PTF deck, in a real card reader and
must read the decks into the virtual card reader. VSA8GEN indicates it is reading the PTF decks by issuing the message: DMSVGN366I STARTING TO READ PTF DECKS FROM READER ••• You must now indicate what module you want updated by responding to the
message: DMSVGN365R ENTER MODULE NAME (8 CHARS OR LESS) OR 'END':
The order of the names you give in response to this message must be the
same as the order in which you placed the decks in the reader. Part 5. Updating VM/370 359

Updating Ct1S Each time you respond to this message, VSAt1GEN checks that a module with that name already exists on the A-disk, erases any old text file with that name, renames the current text file to fn TEXTOLD, and reads
the new text file in and writes it on the CMS A-disk. When the new text
file replaces the old, you receive the message: DMSVGN367I 'fn TEXTc WRITTEN ON DISK 'A'. You will receive message DMSVGN365R again; either enter the name of the
next text file you want to update, or enter END. When all the hew text files are written to the CMS A-disk, you
receive the status message: DMSVGN368I nn NEW PTF DECKS WILL BE APPLIED
From this point on, the procedure for updating VSAt1 and access method
services is identical to the installation procedure for fetching, link-editing. loadinq and savinq them. You receive the following
messages: DMSVGN362I LINK-EDITING {Ct1SVSAM} ••• CMSAMS DMSVGN363I {Ct1SVSAM} DOSLIB CREATED ON DISK 'A' Ct1SAMS DMSVGN363R ENTER LOCATION WHERE {CMSVSAt1} WILL BE LOADED AND SAVED: CMSAMS DMSVGN366R ENTER NAt1E OF SYSTEt1 TO BE SAVED: VSAt1GEN fetches the modules, loads
assigns storage protection keys, and
the completion message:
them at the designated address,
saves the segments. You receive Dt1SVGN365I SYSTEt1 segmentname SAVED. Finally, you must indicate whether or not you wish to erase the DOS LIB created during link-edit. You receive the following message: Dt1SVGN368R ERASE {CMSVSAt1} DOSLIB? ••• ENTER YES OR NO: Ct1SAt1S If you replied TAPE to the DMSVGN380R message, you must now indicate
whether you want to apply all the PTFs or just a selected number of
PTFs. Reply to the message:
ENTER 'SELECT' OR 'ALL' FOR TAPE PTF APPLICATION: You must also indicate how many PTF tape files are now to be processed;
respond to the message: Dt1SVGN382R ENTER NUt1BER OF TAPE FILES TO BE PROCESSED: 360 IBt1 VM/370 Planning and System Generation Guide