There are lots of ways to solve the MSU actual problem. I think all of the
solutions put forward are valid. The question is do you want it
dynamic/historical/on demand? Another question is do you want to be able to
compare now to last week/month/year?
The advantage of a real-time
Syncsort's Ironstream product can supply that information, and a whole lot
more, every 2 seconds as part of its SYSTEMSTATE data gathering function. It
can also capture SMF, SYSLOG, SYSOUT, LOG4J and other data.
Chris Blaicher
Ironstream Architect
Mainframe Development
P: 201-930-8234 | M:
Take your microsecond value and shift it 12 bits to the left and use STCKCONV.
Chris Blaicher
Technical Architect
Mainframe Development
P: 201-930-8234 | M: 512-627-3803
E: cblaic...@syncsort.com
Syncsort Incorporated
2 Blue Hill Plaza #1563
Pearl River, NY 10965
www.syncsort.com
Data quality
Go with the IEAASM definitions. Open a doc PMR.
Chris Blaicher
Technical Architect
Mainframe Development
P: 201-930-8234 | M: 512-627-3803
E: cblaic...@syncsort.com
Syncsort Incorporated
2 Blue Hill Plaza #1563
Pearl River, NY 10965
www.syncsort.com
Data quality leader Trillium Software is
It was a while ago when I wrote a bunch of code using pause elements, but as I
remember having those the same was not good. It may have been because I was
using XFR.
PAUSE/RELEASE and XFER are great services, a bear to get setup and get right,
but 4 years and probably trillions of uses later,
Temporary data sets are just like permanent data sets, they just go away at the
end of the step if you specify DISP=(NEW,DELETE), or at the end of the job if
you specify DISP=(NEW,PASS).
Chris Blaicher
Technical Architect
Mainframe Development
P: 201-930-8234 | M: 512-627-3803
E:
Syncsort's MFX sort when using the Global Sort Monitor measures systems
resources, both on an instantaneous basis and on a historical basis to judge
how much memory each sort should use. If you give a MFX sort a REGION=0M it
may use 8M or 1.5G depending on what the current memory demands are
I think you are a little off. A static concatenation cannot result in a mix of
authorized and unauthorized libraries and the program running authorized.
Contents supervisor, when it goes to load the first module from EXEC PGM=
checks the JOBLIB or STEPLIB for all libraries to be authorized,
Here it is as simply as I can put it.
If the first program executed by an EXEC PGM= is AC(1), AND ALL the STEPLIB
libraries, if any, are APF authorized, then all the branched/LINK/LOAD or
ATTACH programs run authorized. If any library in the STEPLIB concatenation is
unauthorized, it is like
Updating a table, even if it is in there as a load module, that happens to be
in the NUC is one thing. Replacing a module in the NUC is a whole different
thing. I could see loading a replacement module into fixed CSA and changing a
pointer to it, assuming the address for it is in a system
Not following all this too closely, but if UNIX is a signed value, can it go
prior to 1900 and that is why they did math rather than shifting?
Just a question.
Chris Blaicher
Technical Architect
Mainframe Development
P: 201-930-8234 | M: 512-627-3803
E: cblaic...@syncsort.com
Syncsort
Ironstream captures and forwards to a data repository in real time SYSLOG, SMF,
LOG4J, JES Spooled output, RMF, SYSTEMSTATE, and user generated input using an
API. As part of that capture and forward process raw data is formatted into a
Splunk acceptable form and translated from EBCDIC to
Yes they will stay defined. If you define an ESTAE at the beginning of a
program, outside of a linkage stack entry, you can create and delete all the
linkage stack entries you want and it will still be there.
You could create a linkage stack entry on entry to your program rather than
chaining
It is a little tricky. In the Assembler Services Guide there is a section
called Linkage Stack Considerations in chapter 8, the last paragraph of which
says:
When you issue a PR, the system automatically deactivates all ESTAE-type
recovery routines that were previously activated under that
It is not Splunk speaking to Syncsort the MFX sort product, it is the Syncsort
Ironstream product sending data to Splunk.
See http://www.syncsort.com/en/Products/Mainframe/Ironstream
If you download the trial copy from there you get the manual.
Chris Blaicher
Technical Architect
Mainframe
Biased Product Plug by the Product Architect
Syncsort's Ironstream product is designed to supply realtime data from z/OS
systems to a Splunk repository.
Data can include SYSLOG, SMF records, RMF data, SYSPRINT from the JES spool,
system performance data, Log4j files, Flat files and data
Blaicher, Christopher Y. <
cblaic...@syncsort.com> wrote:
> Do you want it for a job or all jobs? What exactly do you want to
> monitor? Some values are kept in globally accessible control blocks
> like total pages allocated to a job and how many are fixed. Those
> counts are kept
Do you want it for a job or all jobs? What exactly do you want to monitor?
Some values are kept in globally accessible control blocks like total pages
allocated to a job and how many are fixed. Those counts are kept at the
24-bit, 31-bit, 64-bit and total levels for each address space and
Can you give us the output from a D SMF,O command?
Chris Blaicher
Technical Architect
Mainframe Development
P: 201-930-8234 | M: 512-627-3803
E: cblaic...@syncsort.com
Syncsort Incorporated
2 Blue Hill Plaza #1563
Pearl River, NY 10965
www.syncsort.com
Data quality leader Trillium Software
Back when S banks were getting into NOW accounts, what we know as checking
accounts, I was hired to be the manager of systems programming. They were
running unsupported versions of the operating system, CICS, BTAM and everything
else. They had a 99.9% up-time and every one slept well, all
It has been a while since I worked on DB2, but it is sounding like your buffer
pools are too big.
Consider this:
DB2 will read a required page into 'new' buffer pool page before it will
invalidate a page it already has in storage. Now we have a physical page in use.
The system periodically
There is no restriction on AR mode with AMODE 64. See DAT Address Translation
in Chapter 3 of the POPS manual, specifically the right side of page 3-36
As determined by its address-space-control element,
a virtual address space may be a 2G-byte space
consisting of one region, or it may be up to
It's called z/OS is not the only thing that runs on a 64-bit machine. I
haven't looked into all the particulars, but I have heard someplace that 'C'
can run in 64-bit under z/LINUX.
I think this is more a case of not wanting to have to re-write half of the
operating system and have dual API's
I was working from home, so traffic wasn't the biggest thing. The heat was. I
can put another log on the fire up here, but they arrest you if you take too
much off down there.
Chris Blaicher
Technical Architect
Mainframe Development
Syncsort Incorporated
2 Blue Hill Plaza #1563, Pearl River,
Growing 6000 people per month. That is why I left Austin. Traffic and HEAT.
You can hit 90 any day of the year, and most days from April thru October it
will be 90 to 100+.
I now live in a little town of 1000 near Lake Placid, NY. And, no, there are
no alligators in Lake Placid.
Chris
Don't know. It had to be early on as I remember it in OS/MFT R13 in the early
70's.
Chris Blaicher
Technical Architect
Mainframe Development
Syncsort Incorporated
2 Blue Hill Plaza #1563, Pearl River, NY 10965
P: 201-930-8234 | M: 512-627-3803
E: cblaic...@syncsort.com
www.syncsort.com
Please call 201-930-8260. A support person will be happy to assist you.
If you are wondering why I don't answer the question it is because it has been
several years since I worked on MFX. I currently work on our Ironstream
product.
Chris Blaicher
Technical Architect
Mainframe Development
I don't think anyone has a problem with a legitimate posting, either looking
for work or offering a position as long as it is mainframe related.
Chris Blaicher
Technical Architect
Mainframe Development
Syncsort Incorporated
2 Blue Hill Plaza #1563, Pearl River, NY 10965
P: 201-930-8234 | M:
If you consider me one of the SORT experts, I have been involved with sort
development since the early 80's, and never once ran a tape sort.
When I first worked for Liberty Mutual Insurance, we had a 7074 hypervisor
running on a 360/65 and I saw a tape sort running there, but never wrote any
subsequent READs Just point to the next record
> On Feb 3, 2017, at 2:22 PM, Blaicher, Christopher Y. <cblaic...@syncsort.com>
> wrote:
>
> There can be if you code for just what you expect.
>
> QSAM does multi-buffer I/O for you, with BSAM you have to issue multiple
&
t 2:22 PM, Blaicher, Christopher Y. <cblaic...@syncsort.com>
> wrote:
>
> There can be if you code for just what you expect.
>
> QSAM does multi-buffer I/O for you, with BSAM you have to issue multiple
> WRITE or REAAD commands and do a WAIT, not to mention having to bloc
There can be if you code for just what you expect.
QSAM does multi-buffer I/O for you, with BSAM you have to issue multiple WRITE
or REAAD commands and do a WAIT, not to mention having to block or de-block the
buffer, which can be a real pain for VBS files.
It really depends on how much you
I think this guy has something he wants to sell because while PARS was
developed on a 7074, in the early 1970's it was evolved by IBM into ACP and TPF.
The 360/65 and some other 360 and 370 machines had the capability to run a 7074
emulator, I don't think any machine has those emulators any
ase of MVS
On 01/07/2017 04:19 PM, Binyamin Dissen wrote:
> On Sat, 7 Jan 2017 16:57:05 + "Blaicher, Christopher Y."
> <cblaic...@syncsort.com> wrote:
>
> :>Generally speaking, a page sized request will return a zeroed page, but
> there is no
Your example of 4K is important because it is a page in size. A page can only
have one key and can only have one sub-pool associated with it at a time.
Common memory excepted, once the page is freed, it can be re-assigned into any
key or sub-pool. Common memory has a whole different set of
FYI - Salary is not investment. Salary is an expense. Investment is money
spent generally on physical items, although it can be for R & D, which in the
world of software is 99.9% salary.
$10,000 doesn't get you a programmer in India, let alone in the USA which is
where they are saying they
I don't know for sure, but could it be that there is no assurance that it's key
was key 8? There are indicators in the books that programs can run in keys 9
through 15.
Chris Blaicher
Technical Architect
Mainframe Development
Syncsort Incorporated
2 Blue Hill Plaza #1563, Pearl River, NY 10965
>From the JCL Reference manual for EXEC: REGION in the Overrides section:
A JOB statement REGION parameter applies to all steps of the job and overrides
any EXEC statement REGION parameters.
When no REGION parameter is on the JOB statement, the system uses an EXEC
statement REGION parameter, but
SMF type 30 records have a section in them on DASD. Recorded by unit number in
the EXCP section.
Chris Blaicher
Technical Architect
Mainframe Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P: 201-930-8234 | M: 512-627-3803
E: cblaic...@syncsort.com
Call 201-930-8260 and technical support will be glad to help you.
Chris Blaicher
Technical Architect
Mainframe Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P: 201-930-8234 | M: 512-627-3803
E: cblaic...@syncsort.com
www.syncsort.com
-Original
I downloaded the Adobe Indexed PDF collection this morning.
Is there a magic way to get the Adobe reader to use the .idx files? I
downloaded the latest Adobe reader and when I click on an .idx file it says it
is either an invalid file type, or the data is corrupted.
I admit I have not read all
I have a job that does an address space create.
The program in the new address space sets an ESTAE and I know it gave back a
RC=0 as I print the return code.
Note, the ESTAE exit does a WTO that it has been entered as the first thing.
Right after I set the ESTAE I force an 0C1.
I get the 0C1, but
A "UNIT" in this case is a volume. A data set on a single volume, regardless
of the number of extents, takes up 20 bytes in the TIOT. Each extra volume for
that data set takes an additional 4 bytes, thus the 59 volume limit for a
single data set. (255-16)/4=59
The 255 value is the limit of
According to Watson/Walker it is IEFU83.
See:
http://s3-us-west-1.amazonaws.com/watsonwalker/ww/wp-content/uploads/2016/02/09233352/SMF-Reference-20150926.pdf
Chris Blaicher
Technical Architect
Mainframe Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P:
Just a thought -
Could the area R15 points to have been allocated by one of those "we'll figure
out your problem for you" routines after the 0C4-11 and before the dump so that
when you look in the dump they provide it looks like you should have gotten an
0C1 rather than an 0C4-11?
Chris
One more thing - The license from IBM, at least ours, prevents a program
running on a ZIIP from executing, or causing to be executed, user code on the
z/IIP.
Chris Blaicher
Technical Architect
Mainframe Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P:
The I/O ERROR message should have a CCHHR associated with it. Using the CCHHR
you can use AMASPZAP to dump that record or all the records on that track. You
can then examine the record in question and determine if the BDW is correct,
BDW should equal the block length reported by AMASPZAP, or
You are correct that the ZIIP dispatcher is not as sophisticated as the regular
dispatcher. If a ZIIP request is made and no ZIIP engine is available the
dispatcher will wait a period of time, see ZIIPAWMT parameter in IEAOPTxx,
which if none is available by the end of that time, it will
IBM markets DB2SORT, which is Syncsort/MFX with modifications to specifically
work with and enhance sorting performed for DB2 Utilities and offloads portions
of its processing to z/IIP engines when possible.
Syncsort/MFX also offloads portions of its processing to z/IIP engines.
Syncsort
I have a OS/VS2 Debugging Handbook, Second Edition, 1978 and it says RESERVED.
Maybe at some point between then and now it was documented.
On my system SVC 50 points to a IEFBR14 sequence. If somehow you could get to
+4, it does a few instructions and issues an SVC 13.
I think it is best to
For the SLLG, SRLG, SRAG and others, if you load the B register with the number
of bits to shift and set the D value to zero, you can shift a variable number
of bits without using an EXECUTE instruction.
And there are SRL, SRDL, SRAG and SRLG that rotate right.
Chris Blaicher
Technical
If it is in a key zero CSA subpool, then yes you need to be in key zero. Even
if you do a fast wait, ie test the completed bit, you will want to clear the
ECB once it is posted and to do that you will need to be in key zero.
Anyway, if you aren't in the right key, you'll get an 0C4 fast
I think the concern was over a FAST POST, which can be safely done using a
simple CS instruction. This can be done because the system WAIT process uses a
CS to set the WAIT indicator bit and RB address in the ECB. Either your code
sets the POST bit or their code sets the WAIT bit depending on
All I can say is WOW, also. There are only two reasons I can think of to have
it cost that much. 1) It is a milli-code instruction, or 2) It purges the
pipeline.
If that time is for each instruction, then I tend to think it is milli-code.
If the time is for a SAM64/SAM31 pair, then I think
Peter,
Obviously I didn't fully put on my thinking cap yesterday when I mentioned the
LOCAL LOCK.
I was attempting to think of what might be causing the poster's perceived
condition of SRB #2 not appearing to run in the address space of the PAUSED
global SRB #1.
Your comment seems to be
> On May 2, 2016, at 3:11 PM, Blaicher, Christopher Y. <cblaic...@syncsort.com>
> wrote:
>
> IF SRB #1 that is non-preemptable schedules SRB #2 and then does a PAUSE, SRB
> #2 can still be dispatched.
>
> Sorry if I wasn't clear. SRB #1 can't be interru
her, Christopher Y. <cblaic...@syncsort.com>
> wrote:
>
> Yes. It wasn't pre-empted, it paused.
>
> Chris Blaicher
> Technical Architect
> Mainframe Development
> Syncsort Incorporated
> 50 Tice Boulevard, Woodcliff Lake, NJ 07677
> P: 201-930-8234 | M: 5
Yes. It wasn't pre-empted, it paused.
Chris Blaicher
Technical Architect
Mainframe Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P: 201-930-8234 | M: 512-627-3803
E: cblaic...@syncsort.com
www.syncsort.com
-Original Message-
From: IBM Mainframe
Search key equal can be a multi-track search, which even in a cached situation
takes time. All PDS directory blocks are 256 bytes and a search for a member
in a PDS always starts at the beginning of the directory. My guess is you
would be better off with multiple proclibs and putting a JCLLIB
-MAIN@LISTSERV.UA.EDU] On Behalf
Of Blaicher, Christopher Y.
Sent: Sunday, April 03, 2016 6:52 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: (External):Re: Why sort (was Microprocessor Optimization Primer)
Along with the other reasons outlined by others, it significantly improves bulk
processing, I shy
Along with the other reasons outlined by others, it significantly improves bulk
processing, I shy away from the term batch because that has come to have a bad
connotation.
When dealing with individual transactions, such as an ATM transaction or a web
transaction, sorted data is not needed.
] On Behalf
Of Blaicher, Christopher Y.
Sent: Tuesday, February 16, 2016 1:50 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: CSVFETCH exit
BAKR/PR does take a lot more time then STM/LM, but most times you can't just
use STM/LM, you also have a GETMAIN/FREEMAIN for a register save area and other
setup
BAKR/PR does take a lot more time then STM/LM, but most times you can't just
use STM/LM, you also have a GETMAIN/FREEMAIN for a register save area and other
setup/restore things to do.
So, once you factor in those other overheads, which is faster? I don't know as
I haven't set up the tests to
I have looked at the public documentation on the z13 and had the privilege to
speak to some of the people behind parts of it, and it is an amazing machine.
The reason you can't say how long an instruction takes is that in many cases
things are happening A) out of sequence; B) at the same time
OK. Here's mine. It says more about the VP of the S I was working for than
anything else.
Our computer center was in a shared building with another occupant. They had
an electrician doing some work for them. In doing his work he electrocutes
himself and gets knocked across a parking lot.
Not knowing the internals, but making some reasonable, I think, assumptions...
If you are doing anything other than a full page, or full pages, STORAGE
OBTAIN, the system has to put a FQE element in the top of the page, and so it
would have to back the first virtual page with a real page.
If you
Ed,
When you work on a product that can amount to a significant percentage of the
workload on a system, even micro-seconds count.
When I worked at a package delivery company, we looked at how to cut a
thousandth or a ten-thousandth of a second from a transaction. When you are
dealing with
See:
https://www-01.ibm.com/support/knowledgecenter/SSLTBW_2.1.0/com.ibm.zos.v2r1.ieaa200/iea3a2_Description7.htm
basically RC=12 reason=1200
Lots of return codes and lots of reason codes
Chris Blaicher
Technical Architect
Software Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff
SRB's were not meant for general application code. Also, I hope nobody builds
a quick and dirty SRB routine. Those should be carefully constructed and
tested.
If by quick and dirty you mean short lived, then yes, that was their original
use case. Some SRB routines today are much more robust
Given the hoops that one has to go through to run code on a z/IIP, I doubt you
can 'casually' get code to run on one.
Also, because any z/IIP processing is SRB mode, there are all those
restrictions in addition.
Chris Blaicher
Technical Architect
Software Development
Syncsort Incorporated
50
u 2015-10-28 o 17:57, Blaicher, Christopher Y. pisze:
> Given the hoops that one has to go through to run code on a z/IIP, I doubt
> you can 'casually' get code to run on one.
>
> Also, because any z/IIP processing is SRB mode, there are all those
> restrictions in addition.
>
Look up NAME/TOKEN services. You have 16 bytes in it for user data. Part of
that could be the ALET of the data space.
Chris Blaicher
Technical Architect
Software Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P: 201-930-8234 | M: 512-627-3803
E:
Who or what is installed as SVC 200?
Chris Blaicher
Technical Architect
Software Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P: 201-930-8234 | M: 512-627-3803
E: cblaic...@syncsort.com
-Original Message-
From: IBM Mainframe Discussion List
I don't remember, but is the DCBTIOT pointer updated for each concatenation?
If it is, then using the TIOT you can get to the JFCB which gives you the
DSNAME.
Chris Blaicher
Technical Architect
Software Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P:
You have to remember that nothing is assigned until you use it.
Real frames are not assigned until you reference a location in a page, then a
page fault is taken and a frame of real storage is assigned to back the virtual
page.
The same is true for Page data set slots. A slot is not assigned
The 370/165 and 168 ran on high frequency power. 400 or 420 HZ if I remember
correctly. There may be others, but I worked with those. We had MG sets in
sound proof enclosures. If you opened the covers you had better have sound
proof ear muffs on. They were LOUD. Eh, what did you say?
Interesting question that I haven't really thought too much about because when
I have to do something special, generally it is key 0.
With that said, in a previous life I wrote utilities for DB2. For those we got
into key 7 as the default because that is what DB2 runs in. There are ways to
Advertisement:
The Syncsort Ironstream® product in conjunction with Splunk, can capture SMF
data in real time and forward the data to Splunk for consolidation and analysis.
It can also capture SYSLOG and Log4J events and send them to Splunk along with
flat files.
Look it up on the web at
Short answer - Compression is about 10X more expensive than decompression.
Compression is done by examining the first X amount of the data and building a
compression dictionary. Once the dictionary is built, the rest of the data is
compressed using that data. Compressing data you are going
Lizette,
I don't know the IEFBR14 you are looking at, but the one on my machine only has
2 instructions, SR R15,R15 and BR R14. 4 bytes of code and 4 zero bytes
because all modules are multiples of 8.
All other work is being done by initiator/terminator tasks.
Chris Blaicher
Technical
Look at functions 20-23
Chris Blaicher
Technical Architect
Software Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P: 201-930-8234 | M: 512-627-3803
E: cblaic...@syncsort.com
-Original Message-
From: IBM Mainframe Discussion List
Sorry, I was a little cryptic.
The compare and swap is generally on your lockword and you should be
incrementing that for each iteration. This is not an easy to understand
instruction. I mean what normal instruction needs over 13 pages to explain it?
I do a function code 0 to get the lock
Please send us the name of the company. First, so the IBM sales person can get
right over there and make a nice commission, and secondly, so I can sell any
stock I may have in the company.
If they have management that is that ill-informed and, well frankly, stupid (I
tried to not use that
You've never heard of a little product called Syncsort MFX?
All our messages begin with WER.
Chris Blaicher
Technical Architect
Software Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P: 201-930-8234 | M: 512-627-3803
E: cblaic...@syncsort.com
-Original
If a z/IIP capable unit of work is ready to be dispatched, but there is no
engine available, the system will queue the unit of work for a period of time
and then if it still can't dispatch it on a z/IIP, then it will dispatch it on
a regular CP. This is known as 'z/IIP on CP'.
This wait time
As far as the system is concerned, there is no integrity issue. You may think
it creates an integrity issue. The assumption by the system is that if a
program is in a authorized library, then it is secure and you the user are not
putting malicious code in your authorized libraries.
As long
TIME fills in the 4 words you passed to it with the time and date returned in
various formats.
You want to use BIN and use the first word for the time.
Chris Blaicher
Principal Software Engineer, Software Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P:
I have to question the accuracy of Mr. Altmark's comment. First let's take
the last question from Paul Gilmartin.
ECKD, which is what all modern DASD is, stands for Extended Count Key Data.
The 'Extended' refers to the channel commands you can issue, not the devices
capabilities. All
:58 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: BDW length vs. Physical Length
cblaic...@syncsort.com (Blaicher, Christopher Y.) writes:
ECKD, which is what all modern DASD is, stands for Extended Count Key
Data. The 'Extended' refers to the channel commands you can issue,
not the devices
Not that I am fully informed, but I have been doing I/O at the BSAM, EXCP and
STARTIO level for 35+ years, so I's say I was experienced.
Starting with QSAM and F/FB/FBS format. For RECFM=FB or FBS the block size
must be an even multiple of the LRECL. If you are off by a byte, you will get
an
I should have mentioned, See Chapter 20 of DFSMS Using Data Sets
Chris Blaicher
Principal Software Engineer, Software Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P: 201-930-8260 | M: 512-627-3803
E: cblaic...@syncsort.com
Look at the LDA. Here is how to get to it.
USING PSA,R0
L R3,PSAAOLD POINT AT ASCB
DROP R0
USING ASCB,R3
L R3,ASCBLDA POINT AT LDA FOR THIS TASK
USING LDA,R3
Chris Blaicher
Principal Software Engineer,
Peter,
Having been involved with caching in prior employment, not IBM, your
explanation of just letting normal trimming take care of it is what makes the
most sense and is what I have done in the past. If the cache is very active it
will age-out fast enough and if it gets referenced again
Peter,
We are almost exclusively an assembler shop, but recently we have added a few C
routines that use LE.
It blows me away that LE has to take a perfectly good 0C1, 0C4 or 0C7 and
convert it into a U4xxx code. Not only that, they have to obfuscate the
registers.
Is there a conversion
I have not researched this, at all, so this is an educational question.
From your response to Barry it seems you are saying the Binder will write a 32K
block and then write a short block on a track? If it is doing that, then how
is that any better than a Half-track blocksize? It is still two
Look in INSTALLATION AND TUNING REFERENCE manual.
Chris Blaicher
Principal Software Engineer, Software Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P: 201-930-8260 | M: 512-627-3803
E: cblaic...@syncsort.com
-Original Message-
From: IBM Mainframe
Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of Blaicher, Christopher Y.
Sent: Wednesday, July 16, 2014 10:21 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: z/OS System Initialization Logic (IPL)
Look in INSTALLATION AND TUNING REFERENCE manual.
Chris Blaicher
Principal Software Engineer
The op code is LLGT R13,X'021C'(0,0)
Or
LLGT R13,PSATOLD
Chris Blaicher
Principal Software Engineer, Software Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P: 201-930-8260 | M: 512-627-3803
E: cblaic...@syncsort.com
-Original Message-
From: IBM Mainframe
Call Bob Shimizu at 1-800-932-5150. He can be most helpful.
Chris Blaicher
Principal Software Engineer, Software Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P: 201-930-8260 | M: 512-627-3803
E: cblaic...@syncsort.com
-Original Message-
From: IBM
Don't hold my feet to the fire, but I believe some of the records are defined
in the products that generate them. Look in the DB2 and CICS manuals.
Chris Blaicher
Principal Software Engineer, Software Development
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P: 201-930-8260
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