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Fifth Edition (September 1980)
T h i s i s a m a j o r r e v i s i o n o f , a n d m a k e s o b s o l e t e , G C 2 l -g -6 . .l c h a n g e s o r a d d i t i o n s r o
7 3
t h e t e x t a n d i l l u s t r a t i o n sa r e i n d i c a t e d b y a v e r t i c a l l i n e t o t h e l e f t o f t h e c h a n g eo r
addition.
T h i s e d i t i o n a p p l i e st o v e r s i o n 8 , m o d i f i c a t i o n 0 o f I B M S y s t e m / 3 M o d e l 1 5 S y s t e m
C o n t r o l P r o g r a m ( P r o g r a m5 7 0 4 - S C 1 ; v e r s i o n 5 , m o d i f i c a t i o n O o f I B M S y s t e m / 3 M o d e l
)
1 5 s y s t e m c o n t r o l P r o g r a m ( P r o g r a m5 7 o 4 - S C 2 ) ;a n d t o a l l s u b s e q u e n tv e r s i o n sa n d
m o d i f i c a t i o n s u n t i l o t h e r w i s ei n d i c a t e d i n n e w e d i t i o n s o r t e c h n i c a l n e w s l e t t e r s .
c h a n g e sa r e p e r i o d i c a l l y m a d e t o t h e l n f o r m a t i o n h e r e i n ; t h e s ec h a n g e sw i l l b e r e p o r t e d
in technicalneWsletters r in new editlons of this publication.
o
U s e t h i s p u b l i c a t i o n o n l y f o r t h e p u r p o s e ss t a t e d i n t h e P r e f a c e .
P u b l i c a t i o n sa r e n o t s t o c k e d a t t h e a d d r e s sb e l o w . R e q u e s t sf o r c o p i e s o f I B M p u b l i c a -
t i o n s a n d f o r t e c h n i c a li n f o r m a t i o n a b o u t t h e s y s t e ms h o u l d b e m a d e t o y o u r I B M r e p r e -
s e n t a t i v eo r t o t h e b r a n c h o f f i c e s e r v i n gy o u r l o c a l i t y .
T h i s p u b l i c a t i o n c o u l d c o n t a i n t e c h n i c a l i n a c c u r a c i e s r t y p o g r a p h i c a le r r o r s . A d o r e s s
o
y o u r c o m m e n t s a b o u t t h i s p u b l i c a t i o n t o I B M C o r p o r a t i o n , p u b l i c a t i o n s ,D e p a r t m e n t
2 4 5 , R o c h e s t e r ,M i n n e s o t a5 5 9 0 1 . I B M m a y u s e a n d d i s t r i b u t e a n y o f t h e i n f o r m a t i o n
you supply in any way it believes ppropriatewithout incurringany obligation whatever.
a
Y o u m a y , o f c o u r s e ,c o n t i n u e t o u s e t h e i n f o r m a t i o n y o u s u p p l y .
O C o p y r ig h t I n t e r n a t i o n a l B u s i n e s s a c hi n e s C o r p o r a t i o n 19 7 4 , 19 7 6 , 1g 7 i , 1 9 7 9 , 1 g g )
M
Preface
T h i s p u b l i c a t i o nc o n t a i n si n f o r m a t i o n a b o u t u s i n gt h e I B M R e l a t e dP u b l i c a t i o n s
S y s t e m / 3M o d e l 1 5 C o m m u n i c a t i o n s o n t r o l P r o g r a m
C
( C C P ) . Y o u s h o u l d b e f a m i l i a r w i t h t h e o p e r a t i n gp r o c e d u r e s T h e f o l l o w i n g p u b l i c a t i o n sc o n t a i n a d d i t i o n a l i n f o r m a t i o n
f o r t h e M o d e l 1 5 b e f o r e o p e r a t i n gt h e C C P . about the CCP:
This publication describesgenerationand assignmentin o IBM System/3 Model l5 Communications Control
generalterms. lt givesthe operating proceduresfor Program System ReferenceManual, GC21-762O
s t a r t u p , C C P e x e c u t i o n ,a n d s h u t d o w n . A g l o s s a r yr s
provided to define the important terms. The sample print- o IBM System/3 Communications Control Program
outs of the commands availableto the system operator. Programmer'sReferenceManual, GC21 7579
d e b u g g i n g i d p r o g r a m s , n d o n l i n e t e s t i n gi n f o r m a t i o n a r e
a a
also given. o IBM System/3 Communications Control Program
Terminal Operator's Guide. GC21 -7 58O
Prerequisite Publications o IBM System/3 Communications Control Program
General lnformation Manual. GC21 7578
Y o u s h o u l d b e f a m i l i a r w i t h t h e i n f o r m a t i o n c o n t a i n e di n
the following system control program publications: . IBM System/3 Communications Control Program
MessagesManual, GC21 5110
. IBM System/3 Model l5 Operator's Guide, GCZI-5O75
. IBM System/3 Communications Control Program
o IBM System/3 Model l5 System Messages,
GC21-5076 System Design Guide, GC21-5165
. IBM System/3 Model l5 System Control Programming The following publications contain System/3 teleprocessing
Concepn and Reference Manual , GC21-5162 (for 5704- information:
S C 2) .
. Data Communication Concepts, GC21-5'l 69
. IBM System/3 Model l5 System Control Programming
Reference Manual, GC21 '5O77 (for 5704-SC1) o IBM System/3 Multitine/Multipoint Binary Synchronous
Communications Reference Manual. GC21 -1573
o IBM System/3 Multiple Line Terminal Adapter RPQ
Program Referenceand Component Description
Manual,GC21-7560
o IBM System/3 Models 8, 10, 12, and l5 Components
ReferenceManual.GA21-9236
Contents
INTRODUCTION.,.. CHAPTER 4. ENTERING TERMINAL OPERATOR
C O M M A N D S A N D P R O G R A M R E O U E S T SF R O M
CHAPTER 1. ROLE OF THE SYSTEMOPERATOR 3 T H E C O N S O L E . . . . . . . . . . 5 5
What is CCP 2
ProgramRequest ....55
Establishinghe CCP t /FileCommand .....56
Generation J FileReferenceNames ....56
Assignment 4 Associating ile Names
F . 51
O p e r a t i n gt h e C C P 4 CancelingaFileNameAssociation ....51
Communication ith CCP W CancelingAllFileNameAssociations ......58
T e r m i n a l sU s i n gC C P . 5 OueueCommand. ......58
Syslem and Programlnformation 6 UnavailableResources .....58
Current System Information 6 EnteringtheOueueCommand ......59
ProgramInformation 7 No-O.ueueCommand .. 59
CHAPTER 2. STARTUP AND SHUTDOWN I CHAPTER 5. OPERATIONAL STAGE MESSAGE
S t a r t up q
FORMATS 61
Startup Procedure 12 U s e r P r o g r a mM e s s a g e s 62
P e r fo r m i n g S t a r t u p - N o C h a n g e sR e q u i r e d 14 CCP Messages bJ
Shutdown 21 M e s s a g eF r o m C o m m a n d T e r m i n a l s
s 64
Cancel 21 MLTA Message 64
P e r m a n e n tE r r o r M e s s a g e 64
CHAPTER 3. CONTROLLING THE CCPAFTER O n l i n eT e s t W r i t e E r r o r M e s s a g e 66
STARTUP 23 B S C A / B S C CM e s s a g e oo
C o m m a n d s U s e dt o C o n t r o l t h e C C P 25 B S C A / B S C C n l i n e T e s t R e s u l t s.
O 66
H o w t o S e n d a M e s s a g eo a T e r m i n a l
t zo
How to Displaythe Statusof Terminals lo APPENDIX A. GLOSSARY 71
H o w t o D i s p l a yt h e T e r m i n a lA s s i g n m e n t s 29
H o w t o D i s p l a y t h e S t a t u s o f T a s k sa n d P r o g r a m s 30 APPENDIX B. SAMPLE COMMANDS . . .75
H o w t o S u s p e n d e q u e s t s / E x e c u t i o n /ilt i a t i o no f
R n A s s i g nS y m b o l i c N a m e a n d T e r m i n a lP h y s i c a l
Programs fdentification ...1s
H o w t o R e s u m eR e q u e s t s / E x e c u t i o n / l n i t i a t i o n
f A c t i v a t e t h e A u t o m a t i c E r r o r R e c o v e r yF a c i l i t y . . . . . . . 7 5
Programs Jb Activate the Automatic Error RecoveryFacilitV
H o w t o C h a n g e h e I n t e r v a lP o l l i n gT i m e
t 31 a n d / o r C h a n g et h e T i m e I n t e r v a l . . . js
H o w t o C h a n g et h e S t a t u s o f a T e r m i n a l 38 DeactivatetheAutomaticErrorFacility . . ., . . ls
How to Change he Nameof a Terminal
t 40 C a n c e l U s i n gT a s k l d e n t i f i c a t i o n a n d P r o g r a mN a m e . . . . 15
How to RecoverFrom Terminal Errors 41 -15
C a n c e lC C P
How to Control the Automatic Error Recoverv '16
CloseBSCA Line
Facility(5704-SC2 nlv) O 42 Open BSCA Line 76
H o w t o S a v eT r a c e T a b l e I n f o r m a t i o n 43 D i s p l a yT e r m i n a l s 76
How to Perform System Operator Initiated MLTA DisplayTerminal Assignments 77
O n l i n eT e s t s 44 D i s p l a yU s e r s 77
How to Perform System Operator Initiated BSC E R P U s i n gP h y s i c a T e r m i n a l l d e n t i fi c a t i o na n d
l
O n l i n eT e s t s 45 Retry 78
How to Perform a SystemOperator Initiated BSCC E R P U s i n gP h y s i c a T e r m i n a l l d e n t i f i c a t i o n n d
l a
Wrap Test 46 Bypass I6
Wrap Test Results 46 E R P U s i n gL i n e N u m b e r a n d R e t r y ( 5 7 O 4 - S C 2 n l y ) O 78
H o w t o C l o s eo r O p e n a B S C A L i n e 4l E R P U s i n g L i n e N u m b e r a n d B y p a s s( 5 7 0 4 - S C 2 n l y ) O 78
T o C l o s ea B S C A L i n e 41 Message 79
To Ooen a BSCA Line 41 R e s u m e U s e r.s: . .. 79
H o w t o C a n c e l C C P , a n A p p l i c a t i o n P r o g r a m ,o r R e s u m e U s i n g T a s k l d e n t i f i c a t i o n a n d P r o g r a mN a m e 79
ProgramRequest 48 R e s u m eI n i t i a t i o n 79
T o C a n c e lC C P o r a n A p p l i c a t i o n P r o g r a m 48 R e s u m e I n i t i a t i o n b y P r o g r a m ( 5 7 0 4 - S C 2O n l y ) . . . . . 79
T o C a n c e la O u e u e d P r o g r a m R e q u e s t 49 R e s u m eC o m m a n d s 79
H o w t o C l o s ea D i s k F i l e 50 Shutdown CCP . . 7q
H o w t o R e o p e na D i s k F i l e 50
How to Find a DFF Format (5704-SC2 nly) O 51
How to Find a Program (57O4-SC2 nly) O 52
How to Stop the CCP System 52
S u s p e n dU s e r s 80 APPENDIX C. MAIN STORAGE DUMP TO PRINTER
S u s p e n dU s i n g T a s k l d e n t i f i c a t i o n a n d P r o g r a m PROGRAM($CCPDD) ......85
Name . 80 $CCPDDforS7O4-SC1 ......85
S u s p e n dl n i t i a t i o n 80 O C L f o r R u n n i n g $ C C P D D ( 5 7 0 4 - S C 1. ) . . . . . . . . . . . . 9 6
S u s p e n dI n i t i a t i o nb y P r o g r a m( 5 7 0 4 - S C 2 n l y ) .
O 80 $CCPDDfor57O4-SC2 ......8j
Susoend Commands 80 OCLforRunnins$CCPDD(5704-SC2) . .. . . . .88
T e s t U s i n gS y m b o l i cT e r m i n a lN a m e a n d T e s t
N umber 80 APPENDIXD.ONLINETESTS. ......89
T e s t U s i n gS y m b o l i cT e r m i n a lN a m e a n d L o o p 80 M L T A O n l i n e T e s t sf o r t h e 1 0 5 0 , 2 7 4 0 1 2 7 4 1 a n d C M C S T
,
Test UsingSymbolic Terminal and Stop 80 Terminals .......g9
T e s t U s i n gP h y s i c aT e r m i n a l l d e n t i fi c a t i o na n d T e s t
l BSCOnlineTests. . . . . . . . .90
Number 81 BSCCounters ....9O
T e s t U s i n g P h y s i c a lT e r m i n a l l d e n t i f i c a t i o n a n d L o o p . 81
T e s t U s i n gP h y s i c a T e r m i n a l l d e n t i fi c a t i o na n d S t o p
l 81 A P P E N D ] X E . C L O S E / O P E NC C P F I L E S P R O G R A M
T e s t U s i n gS y m b o l i c T e r m i n a l N a m e , T e s t N u m b e r , a n d ($ccPcol .......93
T i m e sS e n t 81 $CCPCOfor57O4-SC2Only . . . . . . .93
T e s t U s i n gS y m b o l i cT e r m i n a lN a m e ,T e s t N u m b e r ,T i m e s Controlstatements ......93
Sent, and Message 81 SampleOCL ....93
T e s t U s i n gP h y s i c a T e r m i n a l l d e n t i fi c a t i o n ,N u m b e r a n d
l ProgrammingConsiderations .......94
T i m e sS e n t 81
T e s t U s i n gP h y s i c aT e r m i n a l l d e n t i fi c a t i o n ,T e s t N u m b e r ,
l APPENDIX F. SYSTEM HISTORY AREACOPY PROGRAM
Times Sent,and Message 81 ($HACCPI .......9s
T r a c eO n oz $ H A C C P I o r 5 7 O 4 - S C 2v
Onl .......95
V a r y O n l i n e U s i n gS y m b o l i cT e r m i n a lN a m e 83 UserRequirements ....95
V a r y O f f l i n e U s i n gS y m b o l i cT e r m i n a lN a m e . dJ Operatingconsiderations ...96
V a r y O n l i n e U s i n gT e r m i n a lP h y s i c a l d e n t i fi c a t i o n dJ
V a r v O f f l i n e U s i n gT e r m i n a lP h y s i c a l d e n t i fi c a t i o n 83 INDEX ...97
V a r y O n l i n e U s i n gL i n e N u m b e r ( 5 7 O 4 - S C O n l y ) . 2 a?
V a r y O f f l i n e U s i n gL i n e N u m b e r ( 5 7 0 4 - S C 2 n l y ) O 6J
Introduction
c c P i s t h e c o m m u n i c a t i o n sc o n t r o l p r o g r a mf o r t h e I B M S y s t e m / 3 M o d e l 1 5 .
You, the ccP system operator, require a better understandingof the system than
the operator of a batch system. you must make decisionson your
own ln a variety
o f s i t u a t i o n s . M a n y o f t h e s ed e c i s i o n s e q u i r e a t h o r o u g h u n d e r s t a n d i n g f t h e
r o
m e t h o d o f o p e r a t i o n o f t h e c c P . Y o u h a v et h e a b i l i t y t o d i s p l a ya n d m o d i f y t h e
current status of the CCP; therefore, you must understandthe effect of your actions
o n t h e C C P a n d o n t h e i n f o r m a t i o n p r o c e s s i n g y s t e ma s a w h o l e .
s
T r y t o b e i n v o l v e da s e a r l y a s p o s s i b l ei n p l a n n i n gf o r i n s t a l l a t i o n f t h e c c p . T h e
o
IBM System/3 communications control program General lnformation Manual.
G C 2 1 ' 7 5 7 8 , p r o v i d e sa g e n e r a l e s c r i p t i o no f t h e c c p . R e a d i n gi t w i l l h e r p y o u
d
b e t t e r u n d e r s t a n d c o m m u n i c a t i o n s - b a s e d s t e m . p r i o r t o o p e r a t i n gt h e s y s t e m ,
a sy
y o u s h o u l d b e c o m ea c q u a i n t e d i t h t h e f u n c t i o n s o f t h e a p p l i c a t i o np r o g r a m s
w in
t h e s y s t e ma n d w i t h t h e f i l e s u s e db y e a c h p r o g r a m . y o u m u s t b e f a m i l i a r w i t h
t h e c o n f i g u r a t i o no f t h e s y s t e ma n d w i t h t h e c u r r e n t s t a t u so f t h e s v s t e m .
s o m e o n e e l s ea t y o u r i n s t a l l a t i o n a n a l t e r n a t eo r b a c k u p o p e r a t o r ,s h o u l d a l s o b e
,
f a m i l i a r w i t h t h e o p e r a t i o no f t h e c c p s y s t e mi n t h e e v e n t y o u a r e a b s e n t . T h e
b a c k u p o p e r a t o rs h o u l d b e k e p t i n f o r m e d o f a n y c h a n g e s h a t a r e m a d e t o t h e
t
system.
/y'ote.' This manual makes references BSCA and/or BSCC and to BSCA/BSCC lines 1,
to
2 , 3 . a n d 4 . P r o g r a mn u m b e r 5 7 0 4 - s c 1 s u p p o r t sB S C A l i n e s 1 a n d 2 ; p r o g r a m n u m b e r
5 7 0 4 - S C 2s u p p o r t sB S C A l i n e s I a n d 2 a s w e l l a s B S C C l i n e s3 a n d 4 ,
Introduction
Chapter1. Role of the SystemOperator
WHAT IS CCP
T h e C o m m u n i c a t i o n s o n t r o l P r o g r a m( C C P )i s a f e a t u r eo f S y s t e m / 3 M o d e l 1 5
C What is CCp
t h a t a l l o w st h e M o d e l 1 5 t o s u p p o r t a n o n l i n e n e t w o r k o f t e r m i n a l s . C C P e n a b l e s
t e r m i n a l st o c a l l a p p l i c a t i o np r o g r a m sa s n e e d e da n d p e r m i t s t h o s e p r o g r a m st o
a c c e s s c o m m o n s e t o f d i s k f i l e s . S e v e r a a p p l i c a t i o np r o g r a m sa r e p e r m i t t e d t o
a l
e x e c u t ec o n c u r r e n t l y ,t h o u g h i n d e p e n d e n t l y f o n e a n o t h e r ,w h e n s u f f i c i e n t m a i n
o
s t o r a g ei s a v a i l a b l e .C C P c o n t r o l s t h e e n v i r o n m e n ti n w h i c h t h e s ea p p l i c a t i o n
p r o g r a m sr u n .
E S T A B L I S H I N GT H E C C P
E s t a b l i s h i n gh e C C P i n y o u r i n s t a l l a t i o ni s b a s i c a l l ya p r o c e s s f t a i l o r i n g t h e
t o Where to find the assign-
d i s t r i b u t e dC C P t o y o u r i n s t a l l a t i o nr e q u i r e m e n t s .T h i s p r o c e s s s a c c o m p l i s h e d
i ment procedures
i n t w o s t a g e s :g e n e r a t i o n n d a s s i g n m e n t .T h e f o l l o w i n g d e s c r i p t i o n s f t h e s e
a o
s t a g e s r e p r o v i d e df o r y o u r o v e r a l lu n d e r s t a n d i n g f C C P . A s s y s t e mo p e r a t o r ,
a o
y o u m a y n o t b e r e q u i r e dt o p e r f o r m C C P g e n e r a t i o na n d a s s i g n m e n t .H o w e v e r ,
if you are, you can find the operating proceduresin IBM System/3 Model 15 CCP
System Reference Manual, GC21 762Q.
Generation
Generation is a processof creating a set of CCP object modules and subroutines Generation
t h a t s a t i s f i e sh e r e q u i r e m e n t s f y o u r i n s t a l l a t i o n . D u r i n g g e n e r a t i o n t h e
t o ,
m a x i m u m c a p a b i l i t i e s f t h e C C P a n d c e r t a i no p t i o n a l f e a t u r e s , u c h a s p a s s w o r d
o s
s e c u r i t y a n d 3 2 7 O D i s p l a y F o r m a t F a c i l i t v ,a r e s p e c i f e d .
i
Display Format Facility
T h e I B M 3 2 7 0 D i s p l a y F o r m a t F a c i l i t y ( D F F ) i s a f u n c t i o n o f C C Pt h a t c a n b e Display Format
s e l e c t e d u r i n g C C P g e n e r a t i o n . D F F a l l o w s p r o g r a m s w r i t t e ni n R P G l l , C O B O L ,
d Facility for 327O
F O R T R A N l V , a n d B a s i cA s s e m b l e r o m o r e e a s i l yc o n t r o l t h e d i s p l a y f o r m a t f o r
t
t h e 3 2 7 0 I n f o r m a t i o n D i s p l a yS y s t e m .
T h e D F F i s c o m p o s e do f t h e d i s p l a y f o r m a t g e n e r a t o r , r i n t e r f o r m a t g e n e r a t o r ,
p
a n d t h e d i s p l a y f o r m a t c o n t r o l r o u t i n e . T h e g e n e r a t o r s r o c e s s p e c i a lD F F
p s
s p e c i f i c a t i o n sb u i l d d i s p l a y o r p r i n t e r f o r m a t s , a n d s t o r e t h e d i s p l a yo r p r i n t e r
,
f o r m a t s i n a n o b j e c t l i b r a r y . T h e c o n t r o l r o u t i n e p r o c e s s er e q u e s t so r D F F s e r v i c e s
s f
i s s u e db y a p p l i c a t i o np r o g r a m sr u n n i n g u n d e r t h e C C P .
I n s t r u c t i o n s o r u s i n gt h e d i s p l a y f o r m a t g e n e r a t o ra n d p r i n t e r f o r m a t g e n e r a t o ra r e
f
given in IBM System/3 CCP Programmer's Reference Manual , GC21 7579.
Role of the SystemOperator 3
Assignment
Assignment The asignmenf stageconsistsof running the assignmentbuild program to describe
an operating environment in more detail. Assrgrnment the processof defining one is
o r m o r e s e t s o f t e r m i n a l s ,f i l e s , p r o g r a m s , n d s y s t e me n v i r o n m e n t s h a t w i l l b e
a t
a v a i l a b l e o t h e C C P . T h e s ea s s i g n m e ns e t sa r e r e c o r d e di n t h e d i s k f i l e $ C C P F I L E ,
t t
w h i c h w a s c r e a t e dd u r i n g t h e g e n e r a t i o n t a g e . T h e C C P r u n s u n d e r o n e o f t h e
s
a s s i g n m e ns e t s ;t h a t i s , t h e C C P h a s a c c e s so a p a r t i c u l a rg r o u p o f t e r m i n a l s ,f i l e s ,
t t
and programs. You can vary these resourcesby specifying a different assignment
s e t o r b y m o d i f y i n g / s u p p r e s s i nc e r t a i n i t e m s w i t h i n a n a s s i g n m e ns e t d u r i n g
g t
s t a r t u p . T h e r e f o r e ,y o u c a n c o n t r o l w h i c h p r o g r a m s r e e l i g i b l et o b e c a l l e dd u r i n g
a
a p a r t i c u l a rr u n , o r y o u c a n r e s t r i c tt h e u s e o f c e r t a i nf i l e s d u r i n q a r u n .
T h e i n f o r m a t i o n d e f i n e d w i t h i n a n a s s i g n m e ns e t d u r i n g t h e a s s i g n m e ns t a g ei s
t t
v a l i d f o r a n y n u m b e r o f C C P r u n s . l f a t e r m i n a l , p r o g r a m ,o r f i l e m u s t b e a d d e d o r
removed from the set or when aspectsof the system environment change,the
c o n t e n t so f t h e a s s i g n m e ns e t c a n b e m o d i f i e d b y r e p e a t i n g h e a s s i g n m e n r u n ,
t t t
w i t h o u t p e r f o r m i n gg e n e r a t i o na g a i n .
Assignment list A s s i g n m e n ti n f o r m a t i o n i s p r i n t e d u s i n gt h e a s s i g n m e n lti s t p r o g r a m ,$ C C P A L .
Proceduresfor running this program are given in IBM System/3 CCP System
R eference M anu al, GC2 1-7 620.
OPERATING HE CCP
T
Operational stage you
Oncethe CCPis established. are readyto operateit. Operating CCP
the
i n c lu d e s :
o S t a r t u p - D u r i n g s t a r t u p ,y o u l o a d t h e g e n e r a t e d C P a n d a r e a l l o w e d t o c h a n g e
C
c e r t a i ns p e c i f c a t i o n sw i t h i n a n a s s i q n m e ns e t .
i t
. C o n t r o l - W h e n s t a r t u p l o g s0 0 0 C C P S T A R T E D , t h e C C P i s r e a d y t o c o m m u n i -
c a t e w i t h t h e t e r m i n a l sa n d a p p l i c a t i o np r o g r a m s . Y o u m a y e x e r c i s e n t r o l
@
over the system during this stage. You can determine if the system should accept
n e w r e q u e s t s r o m t e r m i n a l o p e r a t o r s . W h i l e t h e s y s t e m i s i n o p e r a t i o n ,y o u c a n
f
i n i t i a t e c e r t a i ns y s t e ma c t i o n s ,d e t e r m i n et h e s y s t e ms t a t u s ,a n d a l t e r t h e s e t o f
t e r m i n a l sp e r m i t t e d t o a c c e s sh e s y s t e m . Y o u m u s t a l s o m a k e d e c i s i o n s h e n
t w
e x c e p t i o n a ls i t u a t i o n s( s u c ha s e r r o r c o n d i t i o n s )a r e d e t e c t e d .
. S h u t d o w n - W h e n y o u t e l l t h e C C P t o s t o p p r o c e s s i n gt,h e a p p l i c a t i o np r o g r a m s
a r e a l l o w e dt o c o m p l e t ep r o c e s s i n g .
COMMUNICATION WITH CCP
Y o u r c o m m u n i c a t i o nw i t h t h e C C P i s t h r o u g h t h e 3 2 7 7 D i s p l a y S t a t i o n a n d CRT/Keyboard
Operator Console Keyboard (referred to as the console in this manual). Messages
from the system are displayed on the console; some messages require responses
f r o m y o u . T h o s e m e s s a g ers q u i r i n gr e s p o n s ea r e p r e c e d e d y a n a s t e r i s k .
e s b
D u r i n g s t a r t u p a n d d u r i n g t h e l a s t p a r t o f t h e o p e r a t i o n a ls t a g eo f C C P , y o u n l a y Responding messages
to
r e s p o n dt o m e s s a g eis s u e d y t h e C C P b y p r e s s i n g h e P F 1 2 k e y . W h e n C C P i s
s b t
ready, the cursor is situated at the responseposition of the most recent message
a n d E N T E B R E S P O N S Ei s d i s p l a y e do n t h e l o w e r l i n e o f t h e d i s p l a y . Y o u m a y
t h e n e n t e r t h a t r e s p o n s e r a d i u s tt h e c u r s o r t o t h e r e s p o n s e o s i t i o n o f a n y
o p
unrespondedmessage you desire.
A t a n y t i m e d u r i n g C C P e x e c u t i o n ,y o u m a y c o m m a n d a s y s t e ma c t i o n . C o m m a n d s , Enteringcommands
and the procedure for entering commands, are described inChapter 3. Controlling
the CCP after Startup. Messages are described in IBM System/3 CCP Messages,
G C 2 15 1 7 0 .
TERMINALS USINGCCP
W h e n t e r m i n a l sa r e c o m m u n i c a t i n gw i t h t h e C C P , y o u w i l l r e c e i v em e s s a g eo n t h e
s Communicating
with
c o n s o l ei n d i c a t i n gw h a t i s h a p p e n i n g . F o r i n s t a n c e y o u a r e n o t i f i e d e a c h t i m e a
, terminals
terminal operator attempts to sign-on. In some instances, the CCP does not
a u t o m a t i c a l l yt e l l y o u w h a t i s h a p p e n i n g , u t y o u h a v ec o m m a n d st h a t y o u c a n
b
u s et o r e q u e s ti n f o r m a t i o n a b o u t t h e o p e r a t i o no f t h e s y s t e m . F o r e x a m p l e ,y o u
h a v ec o m m a n d sa v a i l a b l e o :t
o Tell you the current status of terminals on the system (see index entry display
terminals command\.
o Tell you the current status of active CCP user tasks (seeindex entry display
userscommandl.
o T e l l y o u t h e c u r r e n t s y m b o l i c n a m e a n d i d e n t i f i e ro f t e r m i n a l so n t h e s y s t e m
(see index entry display terminal assignmentscommandl.
R o l e o f t h e S y s t e mO p e r a t o r
S Y S T E M N D P R O G R A MN F O R M A T I O N
A I
C u r r e n t s y s t e mi n f o r m a t i o n a n d i n f o r m a t i o n a b o u t e a c h a p p l i c a t i o nt o b e r u n o n
t h e s y s t e ms h o u l d b e s u p p l i e dt o y o u b y y o u r d a t a p r o c e s s i n g e r s o n n e l .T h e
p
f o l l o w i n g e x a m p l es h e e t si l l u s t r a t et h e t y p e o f i n f o r m a t i o n y o u n e e d t o r u n t h e
system.
Current System Information
System information 1. G e n e r a li n f o r m a t i o n a b o u t t h e s v s t e m
T e r m i n a l sa t t a c h e dt o t h e s v s t e m
L i n e sa v a i l a b l e n t h e s y s t e m
o
F i l e sa v a i l a b l e
2. Schedule f work
o
W o r k p e r f o r m e db y e a c h t e r m i n a l
W o r k p e r f o r m e d b y s y s t e mo p e r a t o r
Total work schedule
3. W h a t i s t h e c u r r e n t p a s s w o r d r o t h e r s e c u r i t vi n f o r m a t i o n
o
4. What arethe currentdata mode escaoe haracters
c
5. W h a t a s s i g n m e ns e t s h o u l d b e u s e dd u r l n g s t a r t u p
t
6. W h a t i s t h e c u r r e n t d e f a u l t f o r s i g n i n g - o f f a c ht e r m i n a l . H o l d o r d r o p . _
e
7. W h a t e r r o r r e c o v e r yp r o c e d u r e s r e t o b e f o l l o w e d f o r c e r t a i nt e r m i n a l e r r o r s
a
o r w h i l e s p e c i ifc p r o g r a m s r e r u n n i n g
a
K e e p a c o p y o f t h e a s s i g n m e ns e t l i s t i n gn e a r t h e c o n s o l ef o r r e f e r e n c e o t h e
t t
a s s i g n m e ns e t c o n f i g u r a t i o n s .
t
6
Program Information
Application Date
Program Name Number- Programmer_
1. S y m b o l i cn a m e o f t h e p r o g r a m
2. Functionof the program
3. S y s t e m r e s o u r c e s s e db y t h e p r o g r a m
u
Files How Used
TerminalD Symbolic name Location
4. M a i n s t o r a g er e q u i r e d
5. T y p i c a l o p e r a t i n gt i m e
6. C a n i n p u t d a t a b e e n t e r e dw i t h t h e p r o g r a mr e q u e s l
7. What input is expected
8. End message ill be sentto terminal
w yes No
9. Specialconsideratrons
P r o g r a mr e s t r i c t e di n a n y w a y
P o t e n t i a lp r o b l e m si n s u s p e n d i n g
o r c a n c e l l i n g h e p r o g r a mb e f o r e
t
i t h a sf i n i s h e d
10. U n d e r w h a t c o n d i t i o n sc a n p r o g r a m sb e c a n c e l l e d
Role of the SystemOperator 7
Chapter2. Startup and Shutdown
STARTUP
Startup is the initiation of the resident CCP. The startup procedure consistsof a Responding startup
to
sequenceof prompts (messages) displayed on the console that allow you to prompts
t e m p o r a r i l y c h a n g es p e c i f c a t i o n sw i t h i n a n a s s i g n m e n t .B y a n s w e r i n g h e p r o m p t
i t
w i t h Y E S o r Y , y o u a r e t e l l i n g t h e c c p t h a t y o u a r e r e q u e s t i n gu r t h e r p r o m p t i n g
f
f o r i n d i v i d u a lc h a n g e s .B y e n t e r i n ga n a p p r o p r i a t ek e y w o r d ( w i t h a v a l u e i f
r e q u i r e d ) ,a c h a n g ei s m a d e w i t h o u t f u r t h e r p r o m p t i n g . K e y w o r d s a n d v a l u e sm a y
b e e n t e r e d ( o n e k e y w o r d a n d v a l u ea t a t i m e ) u n t i l t h e E N T E R k e y i s p r e s s e d
w i t h o u t a n y k e y e d i n p u t . B y e n t e r i n gN o o r N o r b y p r e s s i n g h e E N T E R k e y ,
t
y o u a r e i n d i c a t i n gt h a t t h e v a l u e i s t o r e m a i n u n c h a n g e d .
T h e a s s i g n m e n s p e c i f c a t i o n sy o u c h a n g ed u r i n g s t a r t u p r e m a i n c h a n g e do n l y
t i What you can change
d u r i n g t h e c u r r e n t C C P r u n a n d d o n o t p e r m a n e n t l ya l t e r t h e v a l u e s g i v e n u r i n g
d at startup
generationand assignment. The specificationsyou can changeand the keyword
u s e da r e :
Keyword Purpose
U Nl T - x x Specify location(diskunit) of $CCPFILE
SET-c y
S p e c i f t h e l D c h a r a c t e r f a n a p p r o p r i a t ea s s i g n m e n t
o
set
MINUPA-nnK S p e c i f y t h e m i n i m u m u s e r p r o g r a ma r e as i z e
M I N T P B U F - n n n n n Specify the number of bytes of main storageto be used
f o r t e l e p r o c e s s i nh o l d b u f f e r
g
PASSWORD-cccccc Changethe CCP security password (valid if option was
s e l e c t e d u r i n g C C Pg e n e r a t i o n )
d
T R A C E M L T n -l n l n l S p e c i f y u s e o f t h e t r a c i n g r o u t i n e w i t h i n M L T A c o n t r o l
l r \
r o u t in e s :
n E n t e r a s p e c i f i cl i n e n u m b e r 1 - 8 . K e y w o r d c a n b e
repeatedfor different line numbers.
'Enter
A A t o u s et r a c e f o r a l l l i n e n u m b e r s .
TRACEMLMP S p e c i f y u s eo f t h e t r a c i n g r o u t i n e w i t h i n B S C A
c o n t r o l r o u t i n e st o t r a c e f o r b o t h l i n e s
T R A C E M L MIe -ff ("5 7 0 4 - S C 2o n l y )
n S p e c i f y u s eo f t h e t r a c i n gr o u t i n e
within BSCA control routines:
n E n t e r a s p e c i f i cl i n e n u m b e r 1 o r 2 .
A Enter A to use trace for both line numbers.
Startup and Shutdown 9
Keyword Purpose
TRACEB- CC-ln I n I
S t S Z O a - S C Z n l y ) S p e c i f y u s eo f t h e t r a c i n gr o u t i n e
o
I | )
w i t h i n B S C Cc o n t r o l r o u t r n e s :
n E n t e r a s p e c i ifc l i n e n u m b e r3 o r 4 .
A E n t e r A t o u s et r a c e f o r b o t h l i n e n u m b e r s .
r 1 r
BSCCBLK-.1- [ ( 5 7 0 4 - S C 2o n l y ) N u m b e r o f 2 5 6 - b y t e b l o c k s t o b e
I z ' +|
a l l o c a t e df o r t h e u s eo f t h e B S C Ct r a c e r o u t i n e . D e f a u l t
i s 1 , m a x i m u mi s 2 4 ( 6 K ) .
SUPPRESS S u p p r e s s s e o f t h e f o l l o w i n g f a c i l i t i e s , p e c i f i e di n t h e
u s
a s s i g n m e ns e t ,
t for the current CCPrun:
- S p e c i f i cd i s k d a t a f i l e s
- . S p e c i f i cf i l e r e f e r e n c e - n a m e(s y m b o l i cf i l e n a m e s )
s
- S p e c i f i cp r o g r a m s
- S p e c i f i c S C ( 1 - 4 \ a n d l o r M L T A ( 1 - 8 )l i n e s
B
S p e c i f i cD F F b u f f e r s ( 5 7 0 4 - S C 2 n l y )
o
- S o e c i ifc t e r m i n a l s
- - - P r o g r a mr e q u e s tc o u n t
- U s e o f s p e c i f i ct e r m i n a l su n t i l l a t e r i n t h e C C P r u n
OFFLINE P l a c e t e r m i n a lo f f l i n e ( n o t a v a i l a b l eu n t i l l a t e r i n t h e
a )
CCPrun
B e f o r e s t a r t u p ,t h e f o l l o w i n g o p e r a t i o n sm u s t h a v e b e e n p e r f o r m e d ( s e eI B M
System/3 Model l5 CCP System ReferenceManual, GC21-7620 for descriptions of
t h e p r o c e d u r e s o r t h e s eo p e r a t i o n s ) :
f
. C C P h a sb e e n g e n e r a t e d .
. A t l e a s to n e a s s i g n m e n s e t m u s t h a v eb e e n e n t e r e di n t o $ C C P Fl L E .
t
. l f u s e rs i g n o n s e c u r i t y i s b e i n ge m p l o y e d , $ C C P A U h a s b e e n e x e c u t e dt o l o a d
t h e u s e rs e c u r i t y i n f o r m a t i o n .
. A l l C C P a p p l i c a t i o np r o g r a m st h a t m a y b e r e q u e s t e d u r i n g t h e C C P r u n h a v e
d
b e e n c o m p i l e d ( o r a s s e m b l e d ) a n d a v ea l l b e e n s t o r e d a s s p e c i f e d i n t h e a s s i g n -
h i
m e n t s e t , o n e i t h e r t h e C C P p r o g r a m p a c k o r t h e D S M s y s t e mp a c k a s p e r m a n e n t
m e m b e r si n t h e o b j e c t l i b r a r y . P r o g r a m5 7 O 4 - S C 2 l l o w s C C P a p p l i c a t i o np r o g r a m s o
a t
r e s i d ei n a n o b l e c t l i b r a r y i n a n y o f t h e d i s k s i m u l a t i o na r e a s . A n e x c e p t i o nt o t h i s i s
i f E X E C F I N D - Y E Si s s p e c iife d i n t h e P R O G R A M a s s i g n m e n tt a t e m e n t 5 7 0 4 - S C 2 n l y i
s ( o
o A l l e x i s t i n gf i l e s t o b e u s e dd u r i n g t h e C C P r u n m u s t b e o n l i n e p r i o r t o s t a r t u p .
o l f t h e d i s p l a y f o r m a t f a c i l i t y i s t o b e u s e d ,a l l f o r m a t s r e q u i r e dd u r i n g t h e C C P
r u n m u s t b e g e n e r a t e d n d m u s t b e o n l i n e o n t h e c o r r e c td i s k u n i t , p r i o r t o
a
s t a r t u p . A n e x c e p t i o n t o t h i s i s i f C C P F M T i s t o b e u s e dt o f i n d t h e f o r m a t
d r r r i n gC C P e x e c u t i o n ( 5 7 0 4 - S C 2 n l y ) .
o
10
o l f y o u w a n t a c c P t r a c e ,$ T R A C E m u s t b e l o a d e d w i t h r y p E - c c p p r i o r t o
s t a r t u p . ( F o r 5 7 0 4 - S C 2o n l y , a n o c c - l o a d a b l e t r a c e i s a v a i l a b l e h a t p r o v i d e s
t
t h e s a m ef u n c t i o n a n d w h i c h m a y b e i n i t i a t e d a f t e r s t a r t u p , )
' M L T E R F I L ( e r r o rf i l e ) h a sb e e ni n i t i a l i z e d n t h e s y s t e mp a c k ( t h i so p e r a t i o n
o
i s r e q u i r e df o r M L T A a n d f o r t s s c A / B S C Cc o n t r o l s t a t i o n o n l v ) . F o r B S C C
(5704-SC2 nly), M LTEBF lL must be two tracks.
o Startup when more
than one partition
T h e c c P c a n b e r u n i n a n y p r o g r a mp a r t i t i o n , b u t n o t i n m o r e t h a n o n e p a r t i t i o n
is active
c o n c u r r e n t l y .l f m u l t i p l ep a r t i t i o n s r et o b e a c t i v e ,C C p s h o u l dn o r m a l l vb e r u n i n
a
t h e h i g h e s tp r i o r i t y p a r t i t i o n i n t h e s V s t e m .
T h e n o n - c c P p a r - t i t i o n ( sm a y b e a c t i v ed u r i n g c c p s t a r t u p . H o w e v e r ,t h e f o l l o w i n g
)
p r o g r a m sm u s t n o t b e e x e c u t i n gi n t h a t p a r t i t i o n :
. U s e rs e c u r i t yd a t a p r o g r a m ( $ C C P A U )
. Main storage ump to printer program($CCPDD)
d
o Assignment uild program($CCpAS)t
b
o A s s i g n m e n tl i s t p r o g r a m ( $ C C P A L )
o I n i t i a l i z e s s i g n m e nf ti l e b u i l d p r o g r a m( $ C C 1 B F )
a
O CCP ($CCP)
o A n y C C P g e n e r a t i o ns t a g ep r o g r a m
o A n y p r c g r a m t h a t m o d i f i e sp r o g r a m so r d i s p l a y f o r m a t s t h a t a r e u s e db y C C p
d u r i n g i t s o p e r a t i o no r t h a t r u n u n d e r c o n t r o l o f t h e C C P f o r t h i s a s s i q n m e ns e t .
t
T h e C R T / K e y b o a r d ,a c a r d r e a d e r o r a n o n l i n e 3 7 4 1 m a v b e u s e dt o r e a dO C L f o r t h e n o n -
,
CCPpartition.
In addition to the messages issued during startup (seetBM System/3 CCp Messages Manual, Options taken to Model
G C 2 1 5 1 7 0 ) , a n y o n e o f t h e h a l t s i s s u e db y t h e S y s t e m / 3 M o d e l i 5 m a y o c c u r . T h e 15 halts
information neededto recoverfrom these halts is provided in tBM System/3 Modet l5
S y s t e m M e s s a g e s , G C 2 l - 5 0 7 6f . y o u t a k e o p t i o n 2 ( c o n t r o l l e d c a n c e l ) o r 3 ( i m m e d i a t e
l CancelingCCpduring
c a n c e l )t o a h a l t , t h a t a c t i o n i s p e r f o r m e da n d C C P i s t e r m i n a t e d . A l s o , i f t h e k e y w o r d startup
C A N C E L i s u s e di n r e s p o n s eo s t a r t u p