25,000 cpus / secs per month, and I spend two days
optimizing it to reduce to 15,000.
Am I gaining money or loosing time ?
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several options to correct this issue.
Lizette
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subroutine like CBT's DYNALLOC from compiled
languages.
Joel C Ewing
On 05/10/2012 07:41 PM, Cris Hernandez #9 wrote:
does it have to be a gdg?
what about mod'ing onto the file then emptying it out when it's processed?
back it up with a gdg with that batch job at regular intervals suggestion
out two base64 blocks back-to
back, rather than, say, trying to merge the the data into a single
base64 block, or resend the whole thing un-decoded with 8-bit MIME Email
conventions.
JC Ewing
On 05/09/2012 10:34 AM, ITURIEL DO NASCIMENTO NETO wrote:
‰íz{S©ì}êÄ�Ê ŠxjǺà*...
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On 05/09/2012 01:40 PM, Paul Gilmartin wrote:
On Wed, 9 May 2012 13:12:52 -0500, Walt Farrell wrote:
On Wed, 9 May 2012 12:37:18 -0500, Joel C. Ewing wrote:
Another one of those message formats that appears to Thunderbird as
garbage. I can read it fine on the ibm-main online archive, where
home systems have been SE Linux (Fedora) for several
years. A cost of $1000's per year for cool wouldn't fly for me.
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an otherwise unnecessary upgrade at great cost, but from the
user's standpoint this is a very poor outcome, apparently forced by the
decision to require a dongle.
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with help from the SMP/E log datasets; but it takes much more work and
adds unnecessary opportunity for human error.
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have to clean up abandoned
maintenance projects and obsolete SMPTABL members associated with
abandoned target zones, but that can happen whether the SMPTABL dataset
is shared or not.
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statements. Such a
utility could even be generalized to allow conditional setting of
arbitrary step completion codes or even conditionally ABENDing with some
user ABEND code.
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On 04/18/2012 10:51 AM, Paul Gilmartin wrote:
On Wed, 18 Apr 2012 09:47:05 -0500, Joel C. Ewing wrote:
On 04/18/2012 08:46 AM, Paul Gilmartin wrote:
On Wed, 18 Apr 2012 09:30:59 -0400, Veilleux, Jon L wrote:
According to the JCL manual that won't work:
The following keywords are the only
time (except possibly for COND on the JOB
statement). Also one can use IF/THEN/ELSE in the main JCL stream
without the bizarre override issues you get with COND on the EXEC PROC.
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...
IF ... THEN
...
IF ... THEN
...
ELSE
NEXT SENTENCE
ELSE
...
.
Each internal IF had to have a corresponding ELSE with only NEXT SENTENCE in it.
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. Output tends to
be verbose, but at least it's a standard utility.
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already licensed for running z/OS natively?
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the various index levels for each data record
access. Just providing a few additional index buffers in such cases
might be enough to cut the physical I/O's by a significant factor.
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anti-virus proof.
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and more strongly, and it's time to spend more time with them.
Best wishes to you all,
Walt
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John's posts,
I'm sure the interpretation of one of the later Google links was
intended. :)
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would by themselves
be toxic in a closed area.
That's why one should always assume the worse in the event of a
discharge and exit.
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and not sign.
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, and there was no easy way to
verify that it did not have the potential to compromise SMP/E behavior
for all other z/OS product maintenance. Needless to say that approach
was not well received once it became known (and was discontinued).
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is
not obvious, you may have to find a manual old enough to have
documentation on the old forms (or perhaps search for STCCLASS/TSUCLASS
migration information on-line).
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outs occurring between the end user and the session
manager. Applications like TSO don't see a session failure that only
affects the link between the user and the session manager (unless it
lasts so long that application sessions time out from inactivity).
Joel C Ewing
On 03/04/2012 12:25 PM
.
Recently I encounter a problem that IKT100I USERID CANCELED immediately
after TN3270 connection fail, and It is unacceptable in our shop, because
users will lose their work that do not save in time.
...
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), or the error would have been more
obvious after the IPL.My recollection is it has worked this way ever
since IBM mainframes have had HMCs for control.
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On 03/02/2012 09:41 PM, George Kozakos wrote:
On 02/03/2012 08:36 PM, Joel C. Ewing wrote:
In absence of sysplex timer or the like, the processor TOD clock is set
only at POR and is set based on the HMC clock, which may in turn sync
once a day with the SE clock.
The SE is sync'd to the CEC TOD
at that point.
Joel C Ewing
- Original Message -
From: Shmuel Metz (Seymour J.)shmuel+ibm-m...@patriot.net
To: IBM-MAIN@bama.ua.edu
Sent: Thursday, March 1, 2012 9:52:04 AM
Subject: Re: Originality (was: Duplicating SYSOUT ...)
In040601ccf67d$d7ea4060$87bec120$@mcn.org, on 02/28/2012
that will be skipped.
If you really want guaranteed zero effects from the unwanted step
without complete deletion of step JCL, changing the statements to
comments is the only sure way.
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will soon to follow...)...
Are there other advantages / dis-advantages regarding a self
developed STC ?
Are there any self developed STC's at your shop?
Any other ideas on how to approach this issue?
Thanks in advanced.
Magen
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not arise in MVS because dataset names are
always referenced by the full name -- roughly the equivalent to always
requiring the full path name in Win/Linux -- and that makes direct
lookup in a catalog possible.
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is of
lesser importance.
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On 02/13/2012 02:43 PM, Paul Gilmartin wrote:
On Mon, 13 Feb 2012 11:38:44 -0600, Joel C. Ewing wrote:
It should be possible to just specify data set limits in terms of
data bytes expected or records/average-record-length expected without
regard for tracks, cylinders, extents, or volumes
On 02/13/2012 04:26 PM, Paul Gilmartin wrote:
On Mon, 13 Feb 2012 16:11:53 -0600, Joel C. Ewing wrote:
(I'd prefer, for legibility, SPACE=(1,54.000.000.000) with European
thousands separators.)
Not sure about your reference to half-word chunks. Although there are
16Mi limits on max
on additional engines actually make a job run longer?
Also, where can I find any read material on the affect of turning on/off
engines.
TIA
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discretionary - I always liked the MTTW algorithm. But
when we softcapped all that discretionary workload went to the meat
locker, and we couldn't have that. Had to do some triage and creative
stuff with velocity goals and performance periods to make things right
again.
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are emulated, usually on RAID protected disk arrays (*),
but the 3390 geometry remains unchanged from z/OS point of view.
So half-track blocks (**) are still the most effective in terms of
storage utilisation and performance.
...
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into CA Tape Management
systems, but I don't remember any hooks into dfhsm. Trying to replicate
dfhsm TAPEREPL functionality would take some serious dfhsm CDS record
twiddling - not really sure I would want a non-IBM copy utility playing
at that level.
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are it
will not have any mainframe channel interfaces installed, and at a
minimum some hardware upgrade will be required for that.
I'm pretty sure IBM disk subsystems that support mix of SAN and
mainframe storage require each entire physical array to be allocated to
only one of those functions.
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to me since no application code should be messing directly
with KSDS INDEX CI's).
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CHPID offline to that LPAR. I
doubt if varying the logical path offline is sufficient.
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to 3390-9 has more impact
than acceptable -- and that might impact your decision on whether to
attempt the migration.
That's the long answer. The short answer is as always it depends.
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On 01/23/2012 02:46 AM, R.S. wrote:
W dniu 2012-01-22 05:21, Joel C. Ewing pisze:
I've said it before, but will say it again: modern tape media has such a
large capacity that a single dfhsm cartridge can contain an incredibly
large number of datasets. It is almost inevitable that loss
patterns,
response time on 3390-9 without PAVs is a crapshoot even with only a
single large VSAM dataset.
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and assuming there is enough cache and different physical drives and
internal bandwidth on the EMC backing the logical volume, you can in
effect exceed 100% logical volume busy (have average number of active
I/Os to the volume exceed 1.00) and still get acceptable response.
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failure is not be possible (without an independent
z/OS recovery system).
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On 01/21/2012 10:25 AM, Paul Gilmartin wrote:
On Sat, 21 Jan 2012 10:02:25 -0600, Joel C. Ewing wrote:
So the only functionally-equivalent, officially-sanctioned way to
accomplish this goal is still to
(1) create a new dataset with a different name and copy the data to it,
(2) modify PARMLIB
volumes (e.g., CA-VTape),
where similar exposures exist and where duplexing in some form is also
highly recommended.
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On 01/21/2012 04:21 PM, retired mainframer wrote:
::-Original Message-
::From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On
::Behalf Of Joel C. Ewing
::Sent: Saturday, January 21, 2012 8:02 AM
::To: IBM-MAIN@bama.ua.edu
::Subject: Re: PDSE
::
::So the only functionally
that needs fixing. It would be better for
MQ design to prevent the problem in the first place.
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On 01/20/2012 08:54 AM, Paul Gilmartin wrote:
On Thu, 19 Jan 2012 17:37:12 -0600, Joel C. Ewing wrote:
On 01/19/2012 02:55 PM, Paul Gilmartin wrote:
On Thu, 19 Jan 2012 11:09:27 -0800, Schwarz, Barry A wrote:
Someone might be failing to issue a DISConnect or RELEASE.
(It's not at all clear
until the
applications are also forced to de-allocate the PDSE - which is
certainly not what I would have expected from my reading of the quoted
DFSMS manual.
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version available to the old A/S even across an LLA
REFRESH; but I would also suspect this technique unlikely to be in use
on a typical Installation library added to LINKLIST.
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platform used by
those applications.
Joel C Ewing
On 01/11/2012 03:16 PM, Henrichon, Ryan wrote:
A common phrase used in ITIL to refer to mainframes in my shop is
Enterprise Server. However the term Mainframe gets used more than
Enterprise Server does by techies.
What is true about any best
is obvious?
Lizette
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prefer to
go with lower resolution adequate for human reading and preserve gray
scale, and even color, where its use is significant.
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do the install.
Bah humbug so much APPLE being user friendly.
Ed
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occurring just on your receiving system, then hopefully you will have
enough to be able to recreate and fix the problem on your end. Just
cleaning up bad data after the fact will work, but is not as desirable
as eliminating the creation of the bad data in the first place.
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next IPL, so
you don't get surprised by unexpectedly losing your updated SVC at next
IPL. I always tried to do both updates at about the same time under the
assumption that Murphy might arrange for unscheduled IPLs at his
convenience, not mine.
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and I'm not afraid to use it
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operations, so I hadn't
considered that aspect. Obviously a company with no reservations about
shafting its own IT department for short-term profit would probably have
even less compunction about doing the same to its former software vendors.
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his
inspired interpretation of Revelations to confidently predict the
exact date of the end of the world, attract a small following, and then
vanish into richly-deserved obscurity when the date passes without incident.
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during the day, but is
a terrible fit for people and businesses that have to deal with normal
work hours and who would never tolerate the same period of daylight
being called by two different dates.
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On 12/19/2011 05:39 PM, John Gilmore wrote:
Joel C. Ewing writes (of Julian days):
| That makes much sense for astronomers that work through
| the night and sleep during the day, but is a terrible fit for people
| and businesses that have to deal with normal work hours and
| who would never
total
IT costs now with their prior mainframe IT costs, which could likely
have been reduced by simply upgrading to modern z boxes and DASD and a
more modest migration strategy.
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misfeature.
also wondering if panels have the ability to enlarge
font size by row.
Does your terminal hardware (emulator) have this
capability?
-- gil
...
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., COBOL, FORTRAN, Assembler) with
column restrictions that are an integral part of the language syntax; but a
number of other languages (e.g.,PL/I, C, REXX) are essentially free-form with a
syntax that is column insensitive.
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...
Ed
free-form with a syntax that is column insensitive.
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in many different environments; and
Operations personnel only have to have JCL expertise, not understand
every programming language used in the shop.
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Of
Joel C. Ewing
Sent: Thursday, December 08, 2011 10:45 PM
To: IBM-MAIN@bama.ua.edu
Subject: Re: JCL sheesh! for today
I don't think Fred Brooks was really thinking things through when he said he
would have preferred language-specific support within higher-level programming
languages
in general is to install to alternate libraries
and alternate file systems and use some technique (such as IPL with
suitable parmlib changes) to install all changes concurrently, with some
way to revert to old libraries if there are any significant issues with
the new code level.
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the lines before and the
lines
after to a temporary and then copy it back. You can do the same with REXX.
Etc.
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Director, Dissen Software, Bar Grill - Israel
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, not just
following, standards,
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)',
// 'SEA(.) REP(X''40'')',
//'SYSOUT(X)')
//INPDS DD DSN=SYS2..INFO.CONFIG,DISP=SHR
//SYSPRINT DD SYSOUT=*
//*
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, there
is always X3270 under some flavor of Linux, or somewhat less spiffy,
X3270 under Cygwin under Windows. Works, but tends to be a little
kludgy under Windows.
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) and didn't have to constantly remember to
verify DR site dfdss compatibility that only rarely would be an issue.
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On 11/18/2011 08:18 AM, Norbert Friemel wrote:
On Fri, 18 Nov 2011 07:42:34 -0600, Joel C. Ewing wrote:
...
But, take note that this backward compatibility does not always exist.
It seems that about every ten years or so as tape technology advances
IBM decides to raise the block size written
if there is some new construct in the
dump file related to a new feature in version n that the old version
can't fully handle.
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inside to be
appreciably heavier than a 3278, which was already borderline for one
person to carry. Trying to carry a 3276 by yourself was not wise if you
wanted to avoid back problems.
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Division
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much more serious issues.
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of operating systems theory and the implementation
of the UNIX. He was elected to the National Academy of Engineering in 1988.
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other Email clients may behave differently on
questionable Email formats.
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y�
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down time, unless you are willing to incur
substantial down time for mass DASD moves. With one of the above
migration tools, the moves can be done non-disruptively over at most
several days.
Joel C. Ewing
On 10/07/2011 09:17 AM, Mark Jacobs wrote:
If you have a product such as IBM's TDMF
the time?)
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, but delete the association with 654321 and return it
to scratch.
I know I can do it by SETSYS DUPLEX(MIGRATION(N)) and then RECYCLE EX
VOL(123456), but I have thousands of volumes and dont want to have to
recycle all of them.
I've scanned the fine manual, but cant see anyway to do it.
B.
...
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loops and from non productive loops for an arbitrary program
is a non trivial exercise.
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:
KFRoaXMgaXMgaG93IGl0IGxvb2tzIGluIG15IFNlbnQgZm9sZGVyLi4uKQ0KDQpBcyB0aGV5IHNh
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by displaying the appropriate global zone gzone
data from the ISPF SMP/E dialog. Or alternatively, you can use the
SMP/E dialog to search the target zone for a specific product FUNCTION
FMID sysmod and see which is in your target zone.
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on JES INTRDR LRECL was raised at some point to
32KiB. If so, the FTP jeslrecl maximum value is a restriction imposed
by FTP, probably for consistency with older versions of MVS.
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associated with VSAM files (which is only on
DATA and INDEX) for a specific MGMTCLAS, you may not be able to do this
easily with ISMF.
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the user what he did to resolve the problem.
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of application
data for securing application data and for maintaining application
encryption keys in a physically secure manner.
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at that point even if not needed. If you are certain
it is not needed, try closing the UCAT first
(F CATALOG,CLOSE(catname) and then see if you can UNALLOCATE it. You
can't un-allocate while it is still open.
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into physical super blocks and the physical block
size on the tape is no longer under the control of operating system code.
Joel C Ewing
On 08/19/2011 06:48 AM, Shmuel Metz (Seymour J.) wrote:
In
1240651948-1313637071-cardhu_decombobulator_blackberry.rim.net-95694995-@b12.c1.bise6.blackberry
by repeated addition. No doubt would have been a
slow as heck, but amazing that it could be done at all.
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states
is a necessary condition for a block size greater than half-track to
have any chance of decent track utilization on a 3390.
Joel C. Ewing
On 08/17/2011 12:54 PM, John Eells wrote:
That really depends on the RECFM and, for variable blocked RECFMs, the
distribution of block sizes
being
soft capped?
TIA
...
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