someone's wish for this type of function for z/OS dumps. We concluded
that
in general, identifying the sensitive data to be modified would be so
problematic
that it was not worth pursuing.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
IBM Mainframe
To correct myself, there is a type SS record. I almost never see
them.
There are also type A, SC, SD, and SC records which could contain
sensitive data.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
> I found the patent filing to be an amusing read,
these
records would be something which starts with a 3 character prefix
that
IBM has assigned to the vendor.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
> From: Thomas Loges
> To: IBM-MAIN@LISTSERV.UA.EDU
> Date: 08/13/2017
AMODE
ESTAE-type recovery exits receive control in the AMODE that
was current at the time-of-set (time-of-PC AMODE for ARRs)
with the following exceptions:
?ARR, IEAARR, and ESTAEX exits receive control in AMODE 31
instead of AMODE 24 when established for AMODE 24 programs
Jim Mulder z/OS
REGIONABOVE controls 31-bit addressable storage. You cannot address
more than 2G with only 31 bits.
MEMLIMIT controls 64-bit addressable virtual storage. It has nothing
to do with the amount of real memory you have installed.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp
t how many bugs to include in the software. :-)
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
> From: Gord Tomlin
> To: IBM-MAIN@LISTSERV.UA.EDU
> Date: 09/07/2017 03:58 PM
> Subject: Re: SoftwareXcel Discontinued
> Sent by: IBM Mainframe Discuss
change this paradigm, so IBM does not, and
will not, provide such a capability.
IBM does provide products which use TASKLIB on ATTACH, such as
ISPF, and TSO commands issued from READY after a TSOLIB command.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
IBM
IEASMFEX
with a count of 1, so for non-SAM use of EXCP, it is the
count of EXCPs.
IEWFETCH (an IOS driver which fetches load modules)
counts the number of SSCH for non-VIO data sets, and uses
EXCP for VIO data sets. So either way, it is the number
of channel programs executed.
Jim Mulder z/OS
In the old days, you would check
CVTBFP EQU X'10' Binary Floating Point support @MGA
*(simulated unless CVTBFPH is on) @MGA
That bit is always on with OS/390 2.6 or higher.
You definitely should not look at the CR0 b
The only restrictions on the SAD IPL device is that it must not
contain a page data set for the system being dumped, and it must
not be used as an output device for this dump.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
> This is general quest
I don't know of any SADMP PTFs that were not downward compatible within
the
same release of z/OS, and we would certainly try to avoid creating that
scenario.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
> In addition the SAD IPL volume should in p
In that case, you are taking a risk. We don't try to make
SADMP upward or downward compatible across releases,
so whether or not that happens to work depends mainly on what
changes were made in the Real Storage Manager component.
Jim Mulder z/OS Diagnosis, Design, Development, Test
Yes, it is CPU time, not elapsed time.
The comment on the field which says "ELAPSED TIME" goes all the
way back to MVS 3.8.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
Charles Mills wrote on 09/29/2017 01:12:16 PM:
> From: Charles Mills
&
System Integrity and thus the security of your system, since
it will allow
the unauthorized transaction programs in those regions to take over the
system
in anyway that they desire.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
IBM Mainframe Discussion List
long DQE/FQE chains due to fragmentation
caused by Getmain/Freemain activity in OPEN processing.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
IBM Mainframe Discussion List wrote on
10/27/2017 11:36:02 AM:
> From: Lizette Koehler
> To: IB
program.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
IBM Mainframe Discussion List wrote on
10/30/2017 02:53:00 AM:
> >>>The TSO TMP is designed to be attached only by EXEC PGM=IKJEFTxx,
> or by the TSO/E Session Manager (when Session Mana
There are PTFs for standalone ADRDSSU and standalone ICKDSF to support
the
z14, which are necessary because the z14 does not support ESA/390 mode.
You need to install the PTFs and then regenerate the IPL tape.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
Page-milliseconds is number of pages multiplied by number
of milliseconds. SMF30ERS will always contain zeros on
zOS 1.6 or higher, since z/OS does not use expanded storage
in zArchitecture mode.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
IBM Mainframe
IEFSSVT was created in MVS/ESA SP5.2.0, before the existence of
CSVDYLPA, which was created in OS/390 2.4.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
John McKown wrote on 11/29/2017 11:50:46
AM:
> I'm guessing that LOADTOGLOBAL literally mea
difficulty for doing SSI enhancements.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
John McKown wrote on 11/29/2017 01:53:00
PM:
12:37 PM, Jim Mulder wrote:
>
> > IEFSSVT was created in MVS/ESA SP5.2.0, before the existence of
> > CSVDY
RSM will free frames if available frames are in short supply.
If you obtain a smaller amount, get it backed, and then release it, you
may
be more likely to observe the frames being retained.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
> Running z/OS V
It can improve performance for any number of processors, but the value
increases as the number of processors increases. We do not condition
its use based on the number of processors.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discu
age exhaustion. (And I say "our intention"
because we do sometimes find cases where we did not do what we
intended).
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
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From some internal discussion after this issue was raised today,
our intention is that LE will move the CEEDUMP modules to SCEELPA
in the next release of z/OS.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
>
> So, when will CEE.SCEELPA be z/OS st
ss space for memterm?
Since memterm does not access the storage of the address
being terminated, there is no connection between IEFUSI and memterm.
There is no requirement for any available storage in the address
space being memtermed. Task termination, yes.
Memory termination, no.
Jim Muld
anages double frames (used for access lists,
and before z/Architecture, for segment tables) and quadframes
(used for segment tables and region tables). There are no
external interfaces for double frames or quadframes.
There is IARV64 GETSTOR with TYPE=FIXED and PAGEFRAMESIZE=1M.
Jim Mulder z/OS Diagnos
n about that (Peter Relson will remember the first time).
z/VM 6.4 will support 1MB pages for guests.
http://www-01.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_ca/9/897/ENUS216-009/index.html&lang=en&request_locale=en
Jim Mulder z/OS Diagnosis, Design, Development, Test
00369000
FLCEOBSOLETECPUMEASUREMENT EQU X'01' Obsolete. Meant CPU-measurement
*0037
facility supported. Use *00371000
FlceCpuMeasurementCounter & *00372000
FlceCpuMeasurementSampling 00373000
Jim Mulder
IHAPSAE is in z/OS V2R2 MVS Data Areas Volume 2 .
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
> Ah. I was looking in MVS Data Areas. Is it in there somewhere? I did not
> find it.
>
> I suppose I could have looked at STFE.
> > CSST is p
t. Or you can use SYSTRACE
filtering to reduce the number of formatted lines.
The new EXCLUDE(BEFOREALL AFTERALL) introduced for z/OS 2.2
in APAR OA49814 can be very useful for this purpose.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
-
The OA50565 fix changed the TSO/E environment service to turn on PSCBJCL
when running in an APF authorized jobstep (i.e. when JCSBAUTH is on).
IDCAMS is linked in SYS1.LINKLIB with AC(1), so an EXEC PGM=IDCAMS jobstep
is APF authorized.
Jim Mulder z/OS Diagnosis, Design, Development, Test
mechanism in TSO/E to serialize
against deletion
of control blocks created by IKJTSOEV, so it is not safe to delete them.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
> Jim-
> Thanks, so we need to apply the PTF. I will changes my code to check for
>
ee
to submit a requirement through the usual mechanism, or engage
via the support process.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
> > The OA50565 fix changed the TSO/E environment service to turn on
PSCBJCL
> > when running in an APF au
A 028-04000200 would not be due to either of those things. A more
likely cause
would be a page table overlay. The first step for doing any diagnosis
would be
SLIP MOD,ID=X028,DISABLE
and then reproduce the problem. Open a PMR and send the dump to IBM.
Jim Mulder z/OS Diagnosis
online to the partition. LPAR assigns
real storage, and now that real storage is unavailable to
be assigned to other partitions.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
> >I discussed this further with Jim Mulder. The z12, where I recently
>
> 1. As far as I know z/OS 2.2 will not run on z9 machine - is it true?
>
> 2. What message one can expect when trying to IPL the z/OS 2.2 on the
z9?
Wait state code 07B
A required processor facility is not available. The wait state reason code
identifies the missing facility.
Jim
That may be a reasonable thing to submit to DFSMS as a requirement
or request or whatever we call those things now.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
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loaded (the program check new PSW is simply a 019 wait state
that early in IPL processing).
In the next release, we have moved the architecture verification
to be at the beginning of IPL, so that we will load a 07B wait
state as i
ng in front of a workstation with a real keyboard
and mouse and dual 27 inch monitors, that is what I want
to use to look up message information, not a Smartphone
with a small screen and a small simulated keyboard.
Jim Mulder z/OS Diagnosis, Design, Developmen
key is set on.
?The bit matching key 9 is set on.
?For a task attached with ATTACHX using the KEY=NINE parameter, the
bits that were on in the PKM of the ATTACHX issuer are set on.
?All other bits are set off.
If the resulting PSW is in supervisor state, the caller?s PKM is
unchanged.
J
oblem was due to your
code defect. More likely, we would not be so lucky, and that PMR
would go unsolved, after spending a lot of time looking for a
nonexistent bug in SLIP.
Your code must be changed from STOSM PSWMASK,0 to
STNSM PSWMASK,X'FC' . And that means that PSW and your
c
ion or the target PSW is not in fixed or DREF
storage, the LPSW instruction or the PSW operand page could get get
invalidated by RSM running on another CPU, and then, since,
the LPSW instruction is executed while disabled, the resulting
access exception would get turned into a 0C4 abend.
Jim Mul
> Right?
Not right. STNSM is Store *Then* And System Mask.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
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microseconds (not milliseconds).
ASCBEJST contains accumulated CPU time for all TCBs and
SRBs in the address space.
ASCBEJST does not include the CPU time spent in the current
dispatch.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
-
ify the same load parameter on the VM IPL command
as you did when IPLing standalone?
IPL LOADP xxxx
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
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the address of the currently dispatched WEB.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
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> Jim Mulder said the Current work unit is in the Web
I said nothing about what is in the WEB. This is exactly what I said:
"LCCACWEB (which is classified as not a programming interface)
contains the address of the currently dispatched WEB."
> I looked at that and saw
in?
Is it an APF-authorized job step?
What exactly are the ECBs on which you want to WAIT? How did you
get the addresses of those ECBs?
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
IBM Mainframe Discussion List wrote on
01/30/2017 10:00:46 PM:
> F
parameters.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
IBM Mainframe Discussion List wrote on
02/03/2017 09:06:16 PM:
> From: Jesse 1 Robinson
> To: IBM-MAIN@LISTSERV.UA.EDU
> Date: 02/04/2017 01:38 AM
> Subject: Re: BSAM vs QSAM
> Sent by
> Is this still, as Ed recalls, part of a separately-priced SAMe feature?
I asked Wayne Rhoten. His recollection is that SAMe GAed as a product
around 1978,
and was integrated in the early 1980s.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie
vicinity, machine model, system
trace
entry for the PGM 004
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
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e are two zIIP threads online to
z/OS, so one more
to SIGP to for things that z/OS has to broadcast to all online threads.
But I would not
expect that to make much difference.
The system trace in a dump taken while things are slow might provide
some clues.
Jim Mulder z/OS Diagnosis, D
> I'm trying to find data for PGSER FIX
>
> would VSMLIST. For free space give me address of storage that have
> been allocated but paged out
No, VSM (and hence VSMLIST) knows nothing about if or
where any virtual storage is backed.
Jim Mulder z/OS Diagnosis, Design, Devel
However, keep in mind that this is a statement about the CPU
architecture, and not
the I/O architecture. For example, zPDT does not support MIDAWs, which
were
introduced on the z9 machines.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
Steve M Bohn
unning a job, D A,ALL
will show two entries for the same ASID (one for each CSCB).
For BPXAS address spaces, both will be marked O (dubbed).
But OAS will count that address space only once.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
IBM Mainframe Discuss
When OMVS was first implemented in SP4.3.0 (around 1993), I have a vague
recollection that OMVS may have used the APPC Scheduler - ASCH) to manage
its initiators, to reduce implementation cost in the first release.
However,
that is no longer the case.
Jim Mulder z/OS Diagnosis, Design
S as a z/VM guest on zPDT, then AUTOIPL may work.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
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JEFT01 *S222 76K 13:49:49.95
14:00:39.23
14.00.39 JOB53814 $HASP395 TSOOPR03 ENDED
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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hinks
is a function routine. R14=80CA9100 is common to all of the
abends because that is the return address in the z/OS SSI
module which is making the call to the bogus function routine
address.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
--
V product, at time 01/14/2014 09:09:04, which is around
when your 0C4 abends started occurring. This can be found in
the report from
VERBX VSMDATA 'OWNCOMM DETAIL CONTENTS(NO) SORTBY(ADDR)'
So it seems likely that the SSVT overlay is due to the
ISV product storing beyond the area
access the tables, and that will
not be affected by data space vs. memory object.
HIS sampler data (available on z10 and newer machines)
is the best way to determine how much time you are spending
in this code.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
-
ta spaces. I
started
> using memory objects 10 years ago and have nearly forgotten how to use a
> data space.
Guard pages and protected pages can be created in data spaces
using IARV64 with TAGET_VIEW=HIDDEN and TARGET_VIEW=READONLY
Jim Mulder z/OS System Test IBM Corp.
t but not in data spaces. I
started
>> using memory objects 10 years ago and have nearly forgotten how to use
a
>> data space.
> Guard pages and protected pages can be created in data spaces
>using IARV64 with TAGET_VIEW=HIDDEN and TARGET_VIEW=READONLY
I meant IARVSERV,
that happens only in my dreams. Pretty much the same
way that fast skating and goal scoring happens only in my dreams.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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upport installed.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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performance. Can you explain
which instructions you think are faster than some
functional equivalent, and why you think they are faster?
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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their
use as a base or index register.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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ve been cases over the years where
some processors required extra cycles to perform operand extension,
especially when involves sign bit propagation. For specific
instructions on a specific processor, I can ask the engineers if
that is the case (as long as it is a recen
was implemented in millicode on the z900, z800, z990, z890,
and z9 machines. It was moved to hardware on the z10 and later
machines.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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n yet, so this probably still is included in "uncaptured time".
But at least we are collecting the data now, so that it could be reported
separately as a new component of captured time, in the future.
Jim Mulder z/OS
does nothing but issue a PUT macro in 24-bit addressing mode.
It created in the days when PUT could not be called in
31-bit addressing mode. That restriction being long gone,
the allocation message module was changed in z/OS 1.10 to
do its PUT directly, instead of calling IEFGB400. So your
metho
t
> the very start of my program.
>
> The trace table shows the SSRV for the OBTAIN .. but it's obviously
> failing...
It's not failing. If it was failing, with the default of COND=NO,
you would have gotten an ABEND. What is in the SSRV 78 trace e
onfusion like this several times
over the years. I would have preferred to abend when a length of 0
is requested. But it has worked this way since at least MVS/370,
and maybe even long before that, so for compatibility reasons,
we do not change it.
Jim Mulder z/OS S
ey 0 ESQA storage.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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ll
change the location of the PARM= string.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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ace
entry to find which module issued the C0D abend. Look at the
source code for that module to see what the abend means.
Which model of machine are you running on?
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
-
RE TYPORG=PO"
> QUEUE V1
> "EXECIO" queued() "DISKW SYSIN (FINIS"
> "DELSTACK"
> "TSOEXEC IEBCOMPR"
> "FREE FI(SYSUT1 SYSUT2 SYSIN)"
For one thing, you are invoking IEBCOMPR as a command processor,
and it may not be designed
or LPAR to provide a write inhibit switch
for a device.
z/OS does scan and modify DASD channel programs, so it might
be reasonable to have DASD UCB switch which says to set the
mask byte in the Define Extent (or analogous command)
parameter to inhibit all write operations.
Jim Mulder z/OS Sys
em does not
have the information which would be needed to do the kind of
filtering that you desire.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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U gets CONFIGed OFFLINE while your program
is accessing its PCCA.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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equently
bring other CPUs online during Master Scheduler Initialization,
if there is at least one other online CPU, we configure the
IPL CPU offline and back online so that its LCCA and PCCA can
be located as directed by DIAGxx. If there are no other CPUs
online, then of course we can't do th
ng
the nucleus is such a small part of system initialization
time that it is not worth spending significant development resources
to make it faster.
How small is it on your system? Under IPCS, do
IPLDATA STATUS
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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S(WAIT1) (STIMER WAIT,BINTVL=WAIT1 );
END;
WHEN ('OFF')
DO WHILE(UCBONLI);
IF WAIT1¬=0 THEN
GEN REFS(WAIT1) (STIMER WAIT,BINTVL=WAIT1 );
END;
OTHERWISE
?ABEND (3) DUMP;
END;
IF PTOKEN ¬= NOTPINNED THEN /* UNPIN IF REQUIRED */
perand crosses a
cache line. Of course things could change again in the future.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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for several generations before that.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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> Does anyone know if it is possible to suppress the DUMP INDEX
> portion of the output of a SNAP/SNAPX macro?
It is not possible, other than by modifying the code in
module IEAVAD01.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsi
/SLR for clearing
a register, and they have some benefits on prior models.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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s spaces you are trying to
access are nonswapable, you may experience random ASTE-validity
exception program checks.
Also, you should be concerned about how you serialize against
the freeing of an ACEE whose address you obtained from TCBSENV.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie,
y point in address
space creation.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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H.
If I was trying to understand why a REQUEST=AUTH was
taking longer than the amount CPU time consumed, the first
thing I would do is set a SLIP IF,A=SYNCSVCD on the
instruction following the return from REQUEST=AUTH,
and look at SY
fessor Harold Hill. Gary Conservatory of Music,
gold medal class of '05. Harold, there wasn't any
Gary Conservatory of Music in '05.
Harold Hill: Why, there most certainly w...
Marian Paroo: Because the town wasn't even built until '06.
Jim Mulder
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
> I had a question about how z/OS handles physical memory for the same
> load module that is loaded at different virtual addresses in
> different virtual address spaces.
>
> For example, let's say on the same z/
ress in all of the sharing address spaces.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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t or 31-bit
mode or a one in bit position 0 if the resulting
addressing mode is the 64-bit mode.
What part of the entire value is missing?
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
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se in order for RTM2
to find an ARR address, we need to reconstruct the PC number
from the linkage stack entry, so we can use it to locate the
Entry Table Entry for the PC number, which contains the ARR address).
> On Tue, 29 Jul 2014 17:39:44 -0400 Jim Mulder
wrote:
>
> :>> T
C=NO
> ADDR SPACE ASTE=53E88C40
The START command processor treats IEESYSAS as a special case:
-UPDATE CSCB WITH START COMMAND RELATED INFORMATION.
IF A SYSTEM ADDRESS SPACE IS BEING STARTED @
mps. And I have
seen the failures on several occasions.
I am not telling you not to use it, as long as you are in an
environment where you can understand and accept the risks.
But it was not possible to design it in a way which was free
from risks.
Jim Mulder z/OS System Test IBM Corp. Po
old LNKLSTs to complete before control blocks that
they may have been using get freed.
Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
> From: Jim Mulder/Poughkeepsie/IBM
> To: IBM Mainframe Discussion List
> Date: 08/22/2014 12:32 AM
> Subject: Re: PLPA entry (w
>Though it may also be possible that this shop is trying to run multiple
GTF Tasks
>at the same time on the same LPAR. Which, as I recall, still cannot be
done.
>Only one GTF to rule them all.
Support for multiple GTFs on the same z/OS image was introduced in
z/OS 1.6.
Jim Muld
ght that z/OS would have the capability to do the AMODE 31 call
> for I/O at my level (2.1).
>
> Any ideas on how to let JES exit know to invoke ACBINRTN in AMOCE 31?
IGG019DJ is part of DFSMS, not JES.
I have looked at the code, and I don't see any provision to
allow the ACBINRTN
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