The Dynamics of z/OS€¦ · by exitname, modname State (activate or inactive) Position in list of...
46
The Dynamics of z/OS Peter Relson z/OS Core Technology Design Corporation, Poughkeepsie, NY (845)-435-8390 [email protected] PJR © Copyright IBM Corporation, 2004 1
Transcript of The Dynamics of z/OS€¦ · by exitname, modname State (activate or inactive) Position in list of...
The
Dyn
amic
s of
z/O
S
Pete
r Rel
son
z/O
S C
ore
Tech
nolo
gy D
esig
n
Cor
pora
tion,
Pou
ghke
epsi
e, N
Y
(845
)-435
-839
0re
lson
@us
.ibm
.com
PJR
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opyr
ight
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pora
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41
Abs
trac
t
This
talk
exp
lore
s dy
nam
ic A
PF, d
ynam
ic E
xits
, dyn
amic
LNK
LST,
dyn
amic
LP
A, a
nd d
ynam
ic S
SI -
- wha
t the
y ca
n do
, an
d w
hat t
hey
can'
t do,
and
how
you
can
use
them
.
PJR
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opyr
ight
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pora
tion,
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Trad
emar
ksIB
Mz/
OS
PJR
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opyr
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pora
tion,
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Intr
oduc
tion
PR
OG
xxD
ynam
ic A
PF
Dyn
amic
Exi
tsD
ynam
ic L
NK
LST
Dyn
amic
LPA
Dyn
amic
SS
I
PJR
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PRO
G
PRO
G=x
x sy
stem
par
amet
er (P
RO
Gxx
)SE
T PR
OG
=xx
com
man
d (P
RO
Gxx
)S
ETP
RO
G c
omm
and
DIS
PLA
Y P
RO
GPr
ogra
m In
terfa
ces
PJR
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PRO
G (c
ont)
Par
mlib
sup
ports
key
wor
d(va
lue)
not
atio
n, b
lank
se
para
tors
Com
man
d su
ppor
ts k
eyw
ord=
valu
e no
tatio
n,
com
ma
sepa
rato
rsP
arm
lib s
uppo
rts c
omm
and
nota
tion
Com
man
d su
ppor
ts p
arm
lib n
otat
ion
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Dyn
amic
APF
Dyn
amic
APF
is o
ften
used
whe
n in
stal
ling
a ne
w
prod
uct w
hich
requ
ires
addi
tiona
l dat
a se
ts to
be
AP
F-au
thor
ized
.
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opyr
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pora
tion,
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Dyn
amic
APF
, com
man
d S
ETPR
OG
APF
,FO
RM
AT=
f
Set
s AP
F lis
t to
the
spec
ified
form
at (d
ynam
ic o
r st
atic
)S
ETPR
OG
APF
,AD
D,D
SNA
ME=
d,VO
L=v
Add
s th
e na
med
dat
a se
t on
the
nam
ed v
olum
e
SET
PRO
G A
PF,A
DD
,DSN
AM
E=d,
SMS
Add
s th
e S
MS
-man
aged
nam
ed d
ata
set
S
ETP
RO
G A
PF,
DE
LETE
,DS
NA
ME
=d,V
OL=
v
D
elet
es th
e na
med
dat
a se
t on
the
nam
ed v
olum
e
S
ETP
RO
G A
PF,
DE
LETE
,DS
NA
ME
=d,S
MS
D
elet
es th
e S
MS
-man
aged
nam
ed d
ata
set
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Dyn
amic
APF
, dis
play
DIS
PLA
Y P
RO
G,A
PF
D
ispl
ay th
e en
tire
list
DIS
PLAY
PR
OG
,APF
,DSN
AME=
d
D
ispl
ay in
form
atio
n ab
out a
par
ticul
ar d
ata
set
PJR
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Dyn
amic
APF
, CSV
APF
Req
uest
=QU
ERY:
by
dsna
me/
volu
me
R
eque
st=A
DD
: by
dsna
me/
volu
me
R
eque
st=D
ELET
E: b
y ds
nam
e/vo
lum
e
R
eque
st=L
IST:
ext
ract
ent
ire A
PF li
st
Req
uest
=QU
ERYF
OR
MAT
R
eque
st=D
YNFO
RM
AT
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Dyn
amic
APF
, com
men
ts
By
now
, eve
ryon
e sh
ould
be
usin
g dy
nam
ic A
PF
Futu
re re
leas
e: re
mov
e th
e op
tion
and
enfo
rce
dyna
mic
-onl
y
PJR
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Dyn
amic
Exi
ts
The
Dyn
amic
Exi
ts fa
cilit
y ha
s tw
o m
ain
user
s --
inst
alla
tion
exits
and
pro
gram
exi
tsS
ince
it a
ccom
mod
ates
mul
tiple
exi
t rou
tines
at a
n ex
it po
int i
t fac
ilitat
es m
ulti-
appl
icat
ion
use
of a
n ex
it.
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Dyn
amic
Exi
ts, c
omm
and
SET
PRO
G
EXI
T,AD
D,E
XITN
AME
=e,M
OD
NAM
E=m
Asso
ciat
e ex
it ro
utin
e w
ith e
xit.
C
an a
lso
defin
e w
heth
er
st
ate
is a
ctiv
e/in
activ
e
limit
to a
jobn
ame
nu
mbe
r of a
bend
s
fir
st o
r las
t to
be c
alle
d
da
ta s
et to
fetc
h fro
m
PJR
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Dyn
amic
Exi
ts, c
omm
and
(con
tinue
d)SE
TPR
OG
EXI
T,AT
TRIB
,EXI
TNAM
E=e
ke
eprc
: com
paris
on, v
alue
SE
TPR
OG
EXI
T,D
ELE
TE,E
XITN
AM
E=e
,M
OD
NAM
E=m
,FO
RC
E=YE
S
SET
PRO
G E
XIT,
MO
DIF
Y,E
XITN
AME=
e,M
OD
NAM
E=m
Cha
nge
whe
ther
stat
e is
act
ive/
inac
tive
limit
to a
jobn
ame
S
ETP
RO
G E
XIT,
UN
DE
FIN
E,E
XITN
AM
E=e
PJR
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Dyn
amic
Exi
ts, d
ispl
ay
DIS
PLA
Y P
RO
G,E
XIT
all e
xit n
ames
DIS
PLAY
PR
OG
,EXI
T,EX
ITN
AME=
e
all e
xit r
outin
es fo
r a g
iven
exi
t nam
e
D
ISPL
AY P
RO
G,E
XIT,
EXIT
NAM
E=e,
DIA
G
al
l exi
t rou
tines
for a
giv
en e
xit n
ame
with
di
agno
stic
info
rmat
ion
DIS
PLAY
PR
OG
,EXI
T,M
OD
NAM
E=m
al
l exi
t rou
tines
that
hav
e a
parti
cula
r exi
t rou
tine
(mod
ule)
PJR
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Dyn
amic
Exi
ts, C
SVD
YNEX
Req
uest
=DEF
INE
by
exitn
ame
AMO
DE
requ
irem
ent
Ree
ntra
ncy
requ
irem
ent
Per
sist
ance
attr
ibut
e
Abe
nd n
umbe
r cha
ract
eris
tic
Use
of f
astp
ath
R
etur
n co
de m
anip
ulat
ion
Ret
urn
code
to s
top
callin
g ex
it ro
utin
es
PJR
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pora
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Dyn
amic
Exi
ts, C
SVD
YNEX
(c
ontin
ued)
Req
uest
=AD
D: b
y ex
itnam
e, m
odna
me
Stat
e (a
ctiv
ate
or in
activ
e)
Posi
tion
in li
st o
f exi
t rou
tines
W
here
to lo
cate
exi
t rou
tine
Jo
bnam
e or
STO
KEN
cha
ract
eris
tic
Ab
end
num
ber c
hara
cter
istic
R
eque
st=D
ELE
TE: b
y ex
itnam
e, m
odna
me
Req
uest
=UN
DEF
INE:
by
exitn
ame
PJR
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opyr
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pora
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Dyn
amic
Exi
ts, C
SVD
YNEX
(c
ontin
ued)
Req
uest
=ATT
RIB
: by
exitn
ame
Cha
nge
KEE
PR
C a
ttrib
ute
R
eque
st=L
IST:
ext
ract
info
rmat
ion
By E
xitn
ame
or a
ll ex
its
Indi
cate
ver
sion
of o
utpu
t
PJR
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Dyn
amic
Exi
ts, C
SVD
YNEX
(c
ontin
ued)
Req
uest
=CA
LL: b
y ex
itnam
e
Reg
iste
r inf
orm
atio
n fo
r the
exi
t rou
tine
R
etur
n in
form
atio
n ch
arac
teris
tics
(last
, low
est,
high
est,
all)
Fast
path
or n
ot
R
eque
st=R
ECO
VER
: by
exitn
ame
Req
uest
=QU
ERY:
by
exitn
ame
A
ny e
xit r
outin
es if
I is
sued
"CA
LL"?
A
ny e
xit r
outin
es a
dded
at a
ll?
PJR
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pora
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419
Dyn
amic
Exi
ts, c
omm
ents
For S
MF,
exi
t nam
es a
re n
ot "I
EFU
SI" a
nd
"IEFA
CTR
T". T
hey
are
SYS.
IEFU
SI e
tc.
SYSS
TC.IE
FUSI
etc
.
PJR
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Dyn
amic
LN
KLS
T
Dyn
amic
LN
KLS
T is
typi
cally
use
d w
hen
addi
ng a
ne
w p
rodu
ct th
at re
quire
s ad
ditio
nal d
ata
set(s
) in
the
LNK
LST.
It is
hop
ed th
at s
uch
new
dat
a se
ts a
re (f
or th
e m
ost
part)
to b
e us
ed b
y jo
bs th
at h
ave
not y
et s
tarte
d
PJR
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Dyn
amic
LN
KLS
T, c
omm
and
SETP
RO
G L
NKL
ST,D
EFIN
E,N
AME=
n,C
OPY
FRO
M=c
defin
e a
new
LN
KLS
T se
t cop
ied
from
the
nam
ed
LNKL
ST s
et
PJR
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Dyn
amic
LN
KLS
T,
com
man
d (c
ontin
ued)
SE
TPR
OG
LN
KLS
T,A
DD
,NA
ME
=n,D
SN
AM
E=d
add
the
data
set
to th
e na
med
LN
KLS
T se
t
can
also
spe
cify
vols
er if
not
cat
alog
ed
whe
re to
pla
ce it
:
at
top
(afte
r sys
tem
-def
ined
dat
a se
ts)
at b
otto
m
afte
r som
e sp
ecifi
c da
ta s
et
PJR
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Dyn
amic
LN
KLS
T,
com
man
d (c
ontin
ued)
SETP
RO
G L
NKL
ST,D
ELET
E,N
AM
E=n
,DS
NA
ME
=d
de
lete
the
data
set
from
the
nam
ed L
NK
LST
set
SE
TPR
OG
LN
KLS
T,U
ND
EFI
NE
,NA
ME
=n
re
mov
e de
finiti
on o
f the
LN
KLST
set
SETP
RO
G L
NKL
ST,T
EST,
NAM
E=n
,MO
DN
AM
E=m
te
st if
mod
ule
is in
that
LN
KLST
set
SETP
RO
G L
NKL
ST,A
CTI
VATE
,NA
ME
=n
activ
ate
the
LNKL
ST s
et
PJR
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Dyn
amic
LN
KLS
T,
com
man
d (c
ontin
ued)
SETP
RO
G L
NKL
ST,U
PDAT
E,{J
OB
=j |
ASID
=a}
ch
ange
the
spec
ified
job(
s) to
use
the
curre
nt
LNKL
ST
D
AN
GER
DA
NG
ER D
AN
GER
Th
is re
sults
in c
losi
ng th
e pr
evio
usly
-ope
ned
DC
B
That
in tu
rn re
sults
in fr
eein
g th
e D
CB
and
DE
B
O
pera
tions
in p
rogr
ess
can
easi
ly b
low
up
for
man
y re
ason
sO
pera
tions
not
yet
beg
un m
ight
eve
n bl
ow u
p
PJR
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pora
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Dyn
amic
LN
KLS
T,
com
man
d (c
ontin
ued)
SE
TPR
OG
LN
KLS
T,U
NA
LLO
CA
TE
G
et ri
d of
dat
a se
t allo
catio
ns
ON
LY R
EASO
N: p
erm
it m
anip
ulat
ion
of
unca
talo
ged
data
set
of s
ame
nam
eS
ETP
RO
G L
NK
LST,
ALL
OC
ATE
Res
tore
dat
a se
t allo
catio
ns
PJR
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pora
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Dyn
amic
LN
KLS
T, d
ispl
ay
DIS
PLA
Y PR
OG
,LN
KLST
di
spla
y th
e cu
rrent
LN
KLS
T se
t
D
ISP
LAY
PRO
G,L
NKL
ST,N
AME=
n
di
spla
y th
e na
med
LN
KLS
T se
t
D
ISP
LAY
PRO
G,L
NKL
ST,N
AMES
di
spla
y th
e na
mes
of a
ll LN
KLS
T se
ts
D
ISP
LAY
PR
OG
,LN
KLS
T,U
SE
RS
,NA
ME
=n
di
spla
y th
e jo
bnam
es u
sing
the
nam
ed L
NK
LST
set
PJR
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pora
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Dyn
amic
LN
KLS
T, d
ispl
ay
(con
tinue
d)D
ISP
LAY
PR
OG
,LN
KLS
T,A
SID
=a
di
spla
y th
e LN
KLS
T se
t ass
ocia
ted
with
the
AS
ID
DIS
PLAY
PR
OG
,LN
KLST
,JO
BN
AME=
j
disp
lay
the
LNK
LST
set a
ssoc
iate
d w
ith th
e jo
b
PJR
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pora
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Dyn
amic
LN
KLS
T, C
SVD
YNL
Req
uest
=DE
FIN
E a
new
LN
KLST
set
Whe
re to
cop
yfro
m
Req
uest
=AD
D
a da
ta s
et to
LN
KLS
T se
t
By
vol
ume
or c
atal
og
Po
sitio
n in
LN
KLST
R
eque
st=D
ELE
TE
a da
ta s
et fr
om L
NK
LST
set
Req
uest
=UN
DE
FIN
E
a LN
KLS
T se
t
Req
uest
=AC
TIV
ATE
a
LNKL
ST
set
Req
uest
=TE
ST
a LN
KLS
T se
t for
a m
odul
e
PJR
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opyr
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pora
tion,
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429
Dyn
amic
LN
KLS
T,
CSV
DYN
L (c
ontin
ued)
Req
uest
=LIS
T
All
LNK
LST
sets
or s
peci
fic L
NK
LST
set
Use
rs o
f LN
KLST
set
(s)
LN
KLS
T se
t ass
ocia
ted
with
a jo
b
R
eque
st=U
PD
ATE
job(
s)
By (w
ildca
rded
) job
nam
e or
ASI
D
Sam
e D
AN
GE
Rs
as c
omm
and
appl
y
PJR
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pora
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430
Dyn
amic
LN
KLS
T, c
omm
ents
Thin
gs n
ot a
vaila
ble
Def
aults
suc
h as
CO
PYFR
OM
=CU
RR
EN
TS
afe
UP
DA
TE (s
orry
, nev
er w
ill be
)
PJR
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opyr
ight
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pora
tion,
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431
Dyn
amic
LPA
Dyn
amic
LP
A is
typi
cally
use
d w
hen
Inst
allin
g a
new
pro
duct
that
nee
ds th
ings
in L
PAW
hen
a pr
oduc
t has
item
s th
at it
nee
ds in
co
mm
on s
tora
ge th
at m
ust r
esid
e in
a P
DSE
PJR
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pora
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Dyn
amic
LPA
, com
man
d
SET
PRO
G L
PA,A
DD
,MO
DN
AME=
(m1,
...,m
N),
DSN
AM
E=d
Add
to L
PA
the
nam
ed m
odul
e(s)
from
the
data
set
Im
porta
nt to
add
, in
sam
e op
erat
ion,
mod
ule
and
all
is a
liase
sC
an a
lso
indi
cate
P
ut in
to fi
xed
stor
age
Pag
e pr
otec
t onl
y th
e fu
ll pa
ges
(sav
e sp
ace,
but
m
ore
dang
erou
s)
PJR
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pora
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433
Dyn
amic
LPA
, com
man
d (c
ontin
ued)
SETP
RO
G L
PA,A
DD
,MAS
K=m
,DSN
AME=
d
Add
to L
PA a
ll m
odul
e(s)
from
the
data
set
who
se
nam
es m
atch
the
mas
kC
an a
lso
indi
cate
Put
into
fixe
d st
orag
e
Pag
e pr
otec
t onl
y th
e fu
ll pa
ges
(sav
e sp
ace,
bu
t mor
e da
nger
ous)
PJR
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pora
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434
Dyn
amic
LPA
, com
man
d (c
ontin
ued)
SETP
RO
G L
PA,D
ELET
E,M
OD
NAM
E=(m
1,...
,mN
) D
elet
e fro
m L
PA th
e na
med
mod
ule(
s)
Mus
t spe
cify
FO
RC
E=Y
ES
Can
als
o in
dica
te
Del
ete
the
CU
RR
ENT
dyna
mic
cop
y
Del
ete
the
OLD
ES
T dy
nam
ic c
opy
SE
TPR
OG
LP
A,C
SA
MIN
=(cs
a,ec
sa)
Set r
emai
ning
-sto
rage
thre
shol
ds fo
r CS
A a
nd
EC
SA
PJR
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Dyn
amic
LPA
, dis
play
DIS
PLA
Y P
RO
G,L
PA
,MO
DN
AM
E=m
disp
lay
info
rmat
ion
abou
t the
nam
ed m
odul
e
D
ISP
LAY
PR
OG
,LP
A,C
SA
MIN
di
spla
y in
form
atio
n ab
out t
he (E
)CS
A m
inim
ums
for L
PA
PJR
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opyr
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Dyn
amic
LPA
, CSV
DYL
PA
Req
uest
=AD
D m
odul
e(s)
to L
PA
By
data
set
or b
y ad
dres
s
By m
odul
e na
me
or b
y m
embe
r mas
k
R
eque
st=D
ELE
TE m
odul
e(s)
from
dyn
amic
LP
AS
peci
fic o
ne b
y to
ken
Cur
rent
dyn
amic
cop
y
O
ldes
t dyn
amic
cop
y
PJR
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opyr
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pora
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Dyn
amic
LPA
, com
men
ts
Thin
gs n
ot a
vaila
ble
Safe
Del
ete
from
LPA
(w
ill ne
ver b
e tru
ly s
afe,
bu
t mig
ht re
ject
a d
elet
e w
hen
the
use
coun
t is
not 0
)
Aut
omat
ic A
LIA
Ses
for L
PA
AD
D (a
nd p
rovi
ding
a
way
to d
efau
lt to
that
)IP
L-tim
e sp
ecifi
catio
n of
PD
SEs
for d
ynam
ic L
PA
PJR
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opyr
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pora
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Dyn
amic
SSI
Dyn
amic
SS
I is
used
by
prod
ucts
that
do
not w
ant
to im
pose
on
the
cust
omer
add
ition
al o
pera
tiona
l re
quire
men
ts s
uch
as u
pdat
ing
parm
lib m
embe
rs to
de
fine
a su
bsys
tem
. It
prov
ides
pro
gram
inte
rface
s th
at le
t exi
stin
g ap
plic
atio
ns re
mov
e de
pend
enci
es o
n sy
stem
co
ntro
l stru
ctur
es.
PJR
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opyr
ight
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pora
tion,
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439
Dyn
amic
SSI
, com
man
d
SE
TSS
I AD
D,S
UB
NA
ME
=sub
nam
e
ad
ds a
sub
syst
em (t
able
upd
ate)
SE
TSSI
AC
TIVA
TE,S
UBN
AME=
subn
ame
star
ts ro
utin
g co
mm
ands
m
ust h
ave
SS
I-man
aged
vec
tor t
able
(via
IE
FSS
VT)
only
if d
ynam
ic a
nd "p
erm
its" S
ETS
SI
PJR
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opyr
ight
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pora
tion,
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Dyn
amic
SSI
, com
man
d (c
ontin
ued)
SETS
SI D
EAC
TIVA
TE,S
UBN
AME=
subn
ame
st
ops
rout
ing
com
man
ds, o
nes
in p
rogr
ess
cont
inue
to c
ompl
etio
nst
ill de
fined
!
on
ly if
dyn
amic
and
"per
mits
" SE
TSS
I
PJR
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opyr
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pora
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Dyn
amic
SSI
, dis
play
Dis
play
SS
I
by
dyn
amic
yes
/no
by n
ame
PJR
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opyr
ight
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Cor
pora
tion,
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442
Dyn
amic
SSI
, IEF
SSI
REQ
UES
T=AD
D
adds
sub
syst
em
R
EQU
EST=
ACTI
VAT
E ac
tivat
es s
ubsy
stem
REQ
UES
T=O
PTI
ON
S
in
dica
tes
if/th
at th
e su
bsys
tem
resp
onds
to
SE
TSS
IR
EQU
EST=
DEA
CTI
VATE
R
EQU
EST=
SWAP
repl
aces
sub
syst
em v
ecto
r
PJR
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opyr
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pora
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Dyn
amic
SSI
, IEF
SSI
(con
tinue
d)R
EQU
EST=
PUT
stor
es s
ubsy
stem
-def
ined
dat
a, 2
fullw
ords
R
EQU
EST=
GE
T
re
triev
es s
ubsy
stem
-def
ined
dat
a, 2
fullw
ords
RE
QU
ES
T=Q
UE
RY
w
heth
er a
ctiv
e/in
activ
e, w
heth
er d
ynam
ic,
whe
ther
resp
onds
to S
ETS
SI c
omm
ands
list o
f fun
ctio
n co
des.
Map
ped
by IE
FJS
QR
Y.
PJR
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opyr
ight
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Cor
pora
tion,
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Dyn
amic
SSI
, com
men
ts
Thin
gs n
ot a
vaila
ble
Del
ete
Tr
acin
g of
cal
ls
R
eini
tializ
atio
n
D
ocum
ent o
f the
inte
rnal
SSI
's u
sed
for m
anag
ing
data
set
sAu
tom
atic
dis
ablin
g
Tim
ing
Supp
ort
SET
SSN
=xx
Supp
ort f
or N
on-E
NQ
env
ironm
ents
PJR
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opyr
ight
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pora
tion,
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445
Publ
icat
ions
z/O
S V
1R5.
0 M
VS A
uth
Ass
m S
ervi
ces
Ref
eren
ce
ALE
-DY
N S
A22
-760
9z/
OS
V1R
5.0
MVS
Aut
h A
ssm
Ser
vice
s R
efer
ence
E
NF-
IXG
SA2
2-76
10z/
OS
V1R
5.0
MV
S In
itial
izat
ion
and
Tuni
ng
Ref
eren
ce S
A22
-759
2z/
OS
V1R
5.0
MV
S In
stal
latio
n Ex
its S
A22-
7593
z/O
S V
1R5.
0 M
VS
Sys
tem
Com
man
ds S
A22
-762
7z/
OS
V1R
5.0
MV
S U
sing
the
Sub
syst
em In
terfa
ce
SA
22-7
642
PJR
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opyr
ight
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pora
tion,
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446
