Yes, yes, and yes. We had 4 4341s back at University of Waterloo, running VM on
Adesse SSI, supporting 20,000 students. That was a fun time. 4341s looked like
several dishwashers (or maybe more washing machines) next to each other.
As did the 3350s, kinda. We gave a high school class a data cen
That would explain our joy if so--we went from a 0.5MIPS Formation 4000 PCM to
a 9370 (1 MIPS?) to a 4381-1 IIRC.
BTW, http://www.roylongbottom.org.uk/mips.htm shows MIPS including 9xE, though
I expect Shmuel already saw that.
-Original Message-
From: IBM Mainframe Discussion List On B
No but this made my day, remembering how FAST our 4381 was when we got it! Good
(?) old (!!) days...
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Seymour J Metz
Sent: Thursday, July 31, 2025 10:00 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: 4381 capacity and performa
Re slashes: they have a LOT of meaning in IBM-land. That's why it's a z900 (z9,
z17, whatever) that runs z/OS, z/VM, etc.: slash = software, no slash=hardware.
Nowadays. At least on Z...and nowadays, parts of IBM haven't got the memo and
get it wrong, too, and the old guard who enforced branding
That's what I always heard. Might be lost in the mists of time...!
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Lennie Bradshaw
Sent: Wednesday, July 23, 2025 3:00 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: IBM Announces z/OS 3.2
I thought DB2 gained its 2 from
w Skorupka
Sent: Wednesday, July 23, 2025 2:38 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: IBM Announces z/OS 3.2
To complement: "2"
OS/2 was new OS, not new version of PC-DOS.
DB/2 was new database, not new version of IMS etc.
--
Radoslaw Skorupka
Lodz, Poland
W dniu 23.07.2025 o 20:
..
IEFBR14/ESA ;-)
--
Radoslaw Skorupka
Lodz, Poland
W dniu 22.07.2025 o 19:28, Phil Smith III pisze:
> NoSQLz/E! (for the old-timers who remember when IBM went through a phase of
> adding /E to things in the 1990s)
>
> -Original Message-
> From: IBM Mainframe Discussion Lis
Hmm. I mostly agree, but there would seem to be room for discussion of what
U.S.-based sysprogs are worth vs. ones in other timezones. It's the "other
timezones" that becomes an issue: when every interaction takes 24 hours because
the two sides are 12 hours apart, that's a problem, no matter how
NoSQLz/E! (for the old-timers who remember when IBM went through a phase of
adding /E to things in the 1990s)
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Amr@Systemz
Sent: Tuesday, July 22, 2025 1:25 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: IBM Announces z/OS
Maybe:
x=a+b-c /*let's say x=110+156-10 */
x2=right(d2c(x), 4, '00'x) /* Four binary bytes, right-aligned */
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Radoslaw Skorupka
Sent: Thursday, July 3, 2025 11:08 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: REXX l
Seymour J Metz wrote:
>Ah, the 360/75 at Waterloo. Besides being the home of some truely
>useful software (thanks, Bruce), I remember it because of an awful
>novel involving a human level AI running on that machine. It was
>considered a large machine at the time, but still grossly underpowered
>by
That's fun! I was working at University of Waterloo when they filmed part of a
fairly dreadful movie called "Utilities" in the Math (and computer) building,
including the Red Room (data centre). They wanted blinkenlights, and we had the
360/75 console still, so someone hooked up a Commodore Supe
tape rewound off the takeup
spool.
Rex
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Phil Smith III
Sent: Friday, June 27, 2025 11:18 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: [EXTERNAL] Re: 3420 environmentals?
Ah, makes a LOT more sense to show something on a r
Exactly. And that gets us back to the original cartoon, where the tape drive
was surely meant to represent a computer. Nowadays, of course, they show a
desktop keyboard and CRT monitor--or MAYBE a laptop, though that's often harder
to distinguish from a tablet, so the CRT lives, even though they
Ah, makes a LOT more sense to show something on a reel drive! On 34x0 it's more
like "Listen, you can hear the tape rewinding..."
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Seymour J Metz
Sent: Friday, June 27, 2025 10:55 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject:
Don't remember that story, Bill...do tell?
My 3480 story is from the late 90s, when I was visiting customer sites
occasionally to deal with problems. I had come across a 3480 cartridge with a
bright red shell, and used that as my "traveler" tape: if I needed to
load/unload something onsite, the
He said "or maybe...cartridge drives". I think his point was that tapes had
their strong points.
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Seymour J Metz
Sent: Thursday, June 26, 2025 12:36 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Subject: Re: 3420 environm
dcEhaArQFEXWasj0ChH_OmMdlEyhgg_kakQg$
עַם יִשְׂרָאֵל חַי
נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר
From: IBM Mainframe Discussion List on behalf of
Phil Smith III
Sent: Wednesday, June 25, 2025 1:01 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: 3420 environmental
nframe Discussion List On Behalf Of Jon
Perryman
Sent: Wednesday, June 25, 2025 5:04 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: 3420 environmentals?
On Wed, 25 Jun 2025 14:30:54 -0400, Phil Smith III wrote:
>This was an old and, um, interesting building anyway.
My favorite office was
לֹ֥א יְשַׁקֵּ֖ר
From: IBM Mainframe Discussion List on behalf of
Phil Smith III
Sent: Wednesday, June 25, 2025 1:01 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: 3420 environmentals?
External Message: Use Caution
Thanks! (To you and others)
Back in the 80s,
fy that that particular floor could
support its weight.
Dr. Harry J. Wahl
From: IBM Mainframe Discussion List on behalf of
Phil Smith III
Sent: Wednesday, June 25, 2025 9:19 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: 3420 environmentals?
Anyone remember whether 3
Barry Schrager, Eberhard Klemens, and Scott Krueger
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Steve Thompson
Sent: Wednesday, June 25, 2025 3:17 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Many Moons
What did SKK stand for?
I've heard about SKK off and on ove
#x27;t there that
evening.
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of Jon
Perryman
Sent: Wednesday, June 25, 2025 2:04 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: 3420 environmentals?
On Wed, 25 Jun 2025 13:01:08 -0400, Phil Smith III wrote:
>Back in the
Anyone remember whether 3420s had to be in a chilled room or not? Could you
have had one in a regular office? I forget how much heat they put out.
--
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to l
Ah, microfiche: I remember finding a piece of IBM microfiche in the street in
1981 or so, getting all excited that it said "INTERNAL USE ONLY" and "PROPERTY
OF IBM" until someone explained to me that they all said that :)
-Original Message-
From: IBM Mainframe Discussion List On Behalf
For extra (perverse) fun, consider environments named ADDRESS or VALUE:
address address
or
address value(value)
!
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Seymour J Metz
Sent: Saturday, June 21, 2025 1:57 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: REXX say
Say what??
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Paul Gilmartin
Sent: Thursday, June 19, 2025 10:37 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: In IBM-land, AFP means...
On Wed, 18 Jun 2025 22:59:44 -0700, Tom Brennan wrote:
>On 6/18/2025 8:43 PM, Paul Gi
And don't forget the two Joes and Curly Joe! There were six named Stooges
played by seven people over the run.
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Seymour J Metz
Sent: Thursday, June 19, 2025 9:12 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: In IBM-land,
Advanced Function *Presentation* or Advanced Function *Printing*?
I'd always heard "Printing" (though the acronym was often expanded as "Another
ing Printer") but Wikipedia and a raft of IBM web pages seem to think it's
"Presentation". To muddy the waters further, documents like
https://www.
fely.
⸻
And here's my generated image.
https://drive.proton.me/urls/ERTZ68T75R#ptpTt5hj102h
Sent from ProtonMail, Swiss-based encrypted email.
GPG Public Key -
https://api.protonmail.ch/pks/lookup?op=get&search=markjac...@protonmail.com
On Tuesday, June 17th, 2025 at 9:07 PM, Phil
Ok, I'm not convinced of the *utility* of LLMs yet, in most cases, but the *fun
factor* is definitely there. Colleague used Copilot with a prompt something
like "write a comparison of SMP/E and IPCS in a z/OS environment" followed by
"now make it whimsical" and "add a picture". First the compari
Ah, makes sense! Thanks.
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Brian Westerman
Sent: Wednesday, June 11, 2025 1:21 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: IBM stock new high today!
The place I was buying through at the time had a minimum purchase of tw
That's a fun idea, wish I'd done it. Why two? Just wondering!
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Brian Westerman
Sent: Tuesday, June 10, 2025 12:19 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: IBM stock new high today!
I bought two shares of IBM back in
I'm afraid I can't help, but I can share an anecdote:
Friend walks into data center, happens to glance at system console, sees
message in all caps:
[BACKUP PRODUCT NAME] WILL EXPIRE IN 3 DAYS
He points to the screen, says something along the lines of "WTFingF??!" and the
operator glances it, sa
0%
>
On Wed, Jun 4, 2025 at 3:42 PM Phil Smith III <
060e4b8f09b8-dmarc-requ...@listserv.ua.edu> wrote:
> Looks like:
> netstat -qSUM DNS
> might also have been useful? Too late now, but maybe helpful for the
> next victim? I'm not 100% sure--went trolling to se
OCOMMONSEARCH
>> CACHE
>> CACHESIZE(200M)
>> MAXTTL(2147483647)
>> UNRESPONSIVETHRESHOLD(25)
>>
>> *SYS3.TCPIP.TCPPARMS(TCPDATA)*
>> LOOKUP LOCAL DNS
>> NAMESERVER 8.8.8.8 8.8.4.4
>> NSPORTADDR 53
>> RESOLVEVIA UDP
>> RE
8.4.4
NSPORTADDR 53
RESOLVEVIA UDP
RESOLVERTIMEOUT 30
RESOLVERUDPRETRIES 1
On Wed, Jun 4, 2025 at 2:24 PM Phil Smith III wrote:
> I don't know but I'd try ipconfig and see what it says? Easter Egging
> for sure...
>
> -Original Message-
> From: IBM Mainframe Discussio
I don't know but I'd try ipconfig and see what it says? Easter Egging for
sure...
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Mark Pace
Sent: Wednesday, June 4, 2025 1:55 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Resolver Issue
I used to have a linux under VM sys
> we all detest PATCH Thursday
What's that, when you apply patches two days after they're released?
(Sorry, couldn't resist!)
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Steve Beaver
Sent: Friday, May 30, 2025 3:32 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Inte
Ok, we finally got this squared away. To recap: tn3270 sessions were getting
dropped with S522s. First it seemed to be JWT, but once that was fixed, they
were still getting dropped, but with S622s.
We had an old 2.4 system that did not exhibit the problem, and once we thought
to compare, we fou
to sleep? That could
disrupt the VPN; if it reestablishes itself when the machine wakes up again,
you might never notice except that your connections have dropped.
Try disabling sleep entirely.
On Tue, May 20, 2025 at 12:53 PM Phil Smith III wrote:
> Right. Update is that next I was getting S
Right. Update is that next I was getting S622 (TCP/IP); that's allegedly been
fixed, but not clear yet. My only real metric is "Did my other VPN stay up?"
and so far today I've had two connectivity glitches that took that (and my
TN3270) connection down, so I can't say yet whether it's solved. T
Oh! Sorry, I saw your note and didn't realize that was what you were
retracting. Thanks.
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Farley, Peter
Sent: Monday, May 19, 2025 12:39 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: [EXTERNAL] Re: problems with openssl i
file
“executable” by all users)?
Maybe also an ACL issue? I don’t know ACL’s so I’m no help with those.
From: IBM Mainframe Discussion List On Behalf Of
Phil Smith III
Sent: Monday, May 19, 2025 11:20 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: problems with openssl in USS
Nobody? Very few hits o
ubject: Re: [EXTERNAL] Re: problems with openssl in USS
Phil,
I know this is probably a dumb question, but are you sure you got the right
openssl program and not a version compiled for an x86 or some other processor
type?
Rex
-Original Message-
From: IBM Mainframe Discussion List On Beh
_BPX_SHAREAS (note additional leading underscore). I
tried all four values: _BPX_SHAREAS and BPX_SHAREAS as YES and NO and got the
same error every time.
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Phil Smith III
Sent: Tuesday, May 13, 2025 2:48 PM
To: IBM-MAIN
be an
issue. In a production environment, that's usually set to 30 minutes or so.
On Sun, May 18, 2025 at 6:56 PM Phil Smith III wrote:
> Because? I've stated repeatedly that it's a dev system and I'm
> currently the only user, but I'm baffled as to why anyone is hype
nday, May 18th, 2025 at 7:24 PM, Phil Smith III wrote:
> Right you are. I would have bet money I saw it in there, but obviously I was
> wrong. See my other note...I think we've found the culprit, thanks to all
> y'all's patient suggestions!
>
> Last question is how
DISPLAY IPLINFO,sysparm command to display the value specified or
defaulted for any system parameter that is allowed within IEASYSxx. The output
is message IEE255I."
Paul
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Phil Smith III
Sent: Sunday, May 1
Beaver
Sent: Sunday, May 18, 2025 7:50 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Disable user timeout via JWT?
I hope the 2400 is on a sandbox
Sent from my iPhone
No one said I could type with one thumb
> On May 18, 2025, at 18:23, Phil Smith III wrote:
>
> Ok, I think we mi
..
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Jeremy Nicoll
Sent: Sunday, May 18, 2025 7:19 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Disable user timeout via JWT?
On Sun, 18 May 2025, at 20:55, Phil Smith III wrote:
> But I just checked and all the members have J
u know what SMFPRMxx you are using by issuing the D SMF,O or D IPLINFO,SMF
command)
As for the IEFUTL exit and whether it is in use, you can issue -
D PROG,EXIT command
Roger
On Sun, 18 May 2025 15:55:42 -0400, Phil Smith III wrote:
>I mean "the one that's last in the list as fa
E -- PARMLIB
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Jeremy Nicoll
Sent: Sunday, May 18, 2025 11:23 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Disable user timeout via JWT?
On Sun, 18 May 2025, at 15:50, Phil Smith III wrote:
> Thanks. Here's the t
the EXEC statement, JES2's class TIME= defaults, and IEFUTL itself.
Do you even have an IEFUTL? Is it specified in SMFPRMxx's EXITS= statement?
On Sun, May 18, 2025 at 8:24 AM Phil Smith III wrote:
> I'm not arguing--I don't know, obviously--but that contradicts folks
&
ours; the wait-time limit is set by SMF. You
can change it in JES parameters, but not in JCL.
--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
עַם יִשְׂרָאֵל חַי
נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר
From: IBM Mainframe Discussion List on behalf of
I can try that, but it isn't even going 24 hours, so something else must be
triggering, no?
Does this tell anyone anything:
IEA631I OPERATOR PHS NOW INACTIVE, SYSTEM=S0W1, LU=TCP00025
IEF450I PHS DYNISPFM DYNISPFM - ABEND=S522 U REASON= 728
TIME=16.47.23
$HASP395 P
Yeah, we do need that.
I got an S622 when I just killed the VPN. S522 is pretty clear:
All of the tasks in a job step were in an SVC wait state for the time specified
in the JWT, SWT, or TWT parameters in the SMFPRMxx parmlib member.
So my TIME=1440 on the EXEC statement doesn't override.
Any o
Who what? Is this in reply to someone??
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Steve Beaver
Sent: Friday, May 16, 2025 11:25 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Code Page
You might consider changing your code page to 1047
Regards,
Steve
Huh, still S522.
I just disconnected the VPN to see if that causes an S522 or something else. If
it does, then I guess I can't tell what's forcing me off.
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Phil Smith III
Sent: Wednesday, May 14, 2025 5:36
-MAIN@LISTSERV.UA.EDU
Subject: Re: Disable user timeout via JWT?
24 hours / 1440 minutes is unlimited, right?
On Wed, May 14, 2025 at 2:36 PM Phil Smith III wrote:
> Yes. That's where we started this discussion. That only goes to 24
> hours; I want to turn it OFF. Don't even care about jo
Cool, and some tinkering with that operator command shows the current setting:
$TJOBCLASS(TSU),TIME=
Produces:
$HASP837 JOBCLASS(TSU)
$HASP837 JOBCLASS(TSU) AUTH=(ALL),BLP=NO,COMMAND=EXECUTE,
$HASP837 CONDPURG=NO,DSENQSHR=ALLOW,
$HASP837 IEFUJP=YES,I
ust an idea.
>
>Regards,
>Steve Thompson
>
>On 5/14/2025 1:10 PM, David Spiegel wrote:
>> +1
>>
>> On 2025-05-14 12:56, Phil Smith III wrote:
>>> As I said, it's a dev system behind a VPN. At any given moment there
>>> are an average of zero u
gement.to allow this.
-- Forwarded message -----
From: Phil Smith III
Date: Wed, 14 May 2025, 15:02
Subject: Re: Disable user timeout via JWT?
To:
Hmm. Still got an S522 overnight, so I guess that wasn't what you meant?
TWT looks to have the same 24-hour limit as JWT? This
> TWT looks to have the same 24-hour limit as JWT? This is a dev system, we
> don't want users forced at all. Surely that's not unique, and doesn't require
> use of an exit?!
>
> -Original Message-
> From: IBM Mainframe Discussion List IBM-MA
, where can I find the cryptocurrency, NFC and
cloud songs?
I should update my copy--old habits die hard :-)
Roops
On Tue, 13 May 2025, 22:17 Phil Smith III, wrote:
> But that won't include the cryptocurrency, NFT, and cloud s
From: IBM Mainframe Discussion List On Behalf Of
Phil Smith III
Sent: Tuesday, May 13, 2025 5:58 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Disable user timeout via JWT?
I think I did #2:
//DYNISPFM EXEC PGM=IKJEFT01,DYNAMNBR=200,TIME=1440
// PARM='%DYNISPF'
That's in my
github.com/CBTTape/
https://github.com/lbdyck/CBTView
https://drive.google.com/drive/folders/1WlSWqc9K6KjLDn8Tyk_9AtfE_a54EV2s?usp=sharing
On 5/13/2025 7:43 PM, Phil Smith III wrote:
> I ... guess so? I thought that going to a URL and clicking a link there
> qualified as "easier"?
&g
point was apparently missed.
On 5/13/2025 3:50 PM, Phil Smith III wrote:
> It (the 2009 version) is now at
> https://drive.google.com/drive/folders/1WlSWqc9K6KjLDn8Tyk_9AtfE_a54EV
> 2s?usp=sharing
>
> Let me know
It (the 2009 version) is now at
https://drive.google.com/drive/folders/1WlSWqc9K6KjLDn8Tyk_9AtfE_a54EV2s?usp=sharing
Let me know if it doesn't work for ya.
--
For IBM-MAIN subscribe / signoff / archive access instructions,
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025 11:16 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Disable user timeout via JWT?
W dniu 10.05.2025 o 16:33, Phil Smith III pisze:
> Is there a way to keep idle users from getting forced off? JWT in SMFPRMxx is
> documented as taking values 0001 to 2400. We have a handful of users on a
> d
Someone could, ya know, put it on Google Drive and make it public...if you send
it to me, I can do that.
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Mike Schwab
Sent: Tuesday, May 13, 2025 5:24 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: the SHARE songbook
Xmit
But that won't include the cryptocurrency, NFT, and cloud songs! /s
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Lionel B Dyck
Sent: Tuesday, May 13, 2025 4:53 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: the SHARE songbook
you can go to www.cbttape.org and get fi
Any guesses what this means:
/u/vendor/openssl7/openssl-1.0.1e/apps > ./openssl
bash: ./openssl: cannot execute binary file: EDC5130I Exec format error.
That's the only copy of an OpenSSL executable I can find on our 3.1 system (via
find / -t -name openssl)
-Original Message-
From: IBM
Is there a way to keep idle users from getting forced off? JWT in SMFPRMxx is
documented as taking values 0001 to 2400. We have a handful of users on a
development system behind a VPN and don't want them forced off ever. Is there
an easy way to achieve this?
d a request for it, so I assume it's not much
of a thing.
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Paul Gilmartin
Sent: Friday, May 2, 2025 11:19 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Packed decimal sign nibbles
On Fri, 2 May 2025 10:38:10 -0400, P
I can't answer this, but I've seen the x'001234' format called "binary
decimal", which always makes my head hurt a bit. OTOH it's unambiguous, which
is always A Good Thing.
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Andrew Rowley
Sent: Friday, May 2, 2025 4:46
id signs:
C: positive
D: negative
F: unsigned
If all your code has preferred signs then it can generate more efficient code,
by using CLC and MVC for example instead of packed decimal instructions.
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Phil Smith III
Discussion List On Behalf Of
Lennie Bradshaw
Sent: Monday, April 28, 2025 12:21 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Packed decimal sign nibbles
That's exactly as I was taught in about 1975.
Lennie
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Phil
A friend asked me about packed decimal sign nibbles, specifically x'0F'. I said
"Unsigned" was what I'd always been told. He said he was finding varied
answers, and then pointed me at SA22-7832-03 (PofOp, but an old version from
2004) where, on page 8-2 (PDF page 1150) is the following table. It
Yeah, that's what I remember, too. There are photos, it was made of wood!
(Eco-friendly?)
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Pommier, Rex
Sent: Monday, April 28, 2025 10:32 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: [EXTERNAL] Re: What has IBM ever don
>From r/mainframe:
Legacy is so boring. All it does is work.
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The *IX problem is 2038 (03:14:08 UTC on 19 January 2038, to be precise). Wrong
decade!
Yes, by 2042 everything SHOULD be updated. I'm willing to bet that there will
be minor problems, but certainly nothing like the doomsayers predicted for Y2K.
ObAnecdote: We had a New Year's party for Y2K, a
Nah, that wasn't IBM's fault per se. Now, the 2042 problem might be considered
their fault, but they've given us a fix for that...
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Colin Paice
Sent: Friday, April 25, 2025 3:35 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: R
And in case anyone doesn’t remember, it was the "Winchester" because it had two
30MB platters. So it was a 30-30:
https://en.wikipedia.org/wiki/.30-30_Winchester
One of the more fun code names, I always thought!
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Rupert
Luhn checksums.
Barcodes weren't actually IBM: https://en.wikipedia.org/wiki/Barcode -- though
the UPC version was. But as a refinement, I'm not sure that counts.
I think long-term compatibility should probably top the list. I have my
"Time-machine List" of things in computing that were done wr
Ugh, meant to say "14,000 lumens is about 10x an old-time 100W..." (Coherence?
What's that? In my defense, I'm timesharing, on a call at the same time...)
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Phil Smith III
Sent: Wednesday, April 16,
True, such as https://www.amazon.com/dp/B0CB1CR9F9/ -- but that's a 14,000
lumen "corncob" bulb, not what people mean when they say "100W" these days;
they mean 100WEQ, about 17W mostly. You knew that, of course. About 10x an
old-time 100W incandescent bulb.
Hmm, 17W, z17...coincidence? I think
LISTSERV.UA.EDU
Subject: Re: z17
Its all the intricate winding conductors inside. And signals tend to travel at
70% of speed of light. Not like straight line wires in the 500 mile email
story.
On Wed, Apr 16, 2025 at 9:58 AM Phil Smith III wrote:
> Hey, the chips are only an inch or so ac
Hey, the chips are only an inch or so across, right? So it fits! /s
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Mike Schwab
Sent: Wednesday, April 16, 2025 10:51 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: z17
5.5GHz is a 2 inch 5 cm signal. 10 GHz would requir
Because physics?
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Steve Beaver
Sent: Wednesday, April 16, 2025 9:30 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: z17
We all know the z17 has been announced.
What I am disappointed in is the CP's have not gone faster than
If I had access to that log, I'd look at it. Long gone, I'm afraid...not my
system. And I don't think they'd just IPLed when it went bad, though it's
possible.
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Jousma, David
Sent: Monday, April 14, 2025 3:20 PM
To: IBM
Jousma
Vice President | Director, Technology Engineering
From: IBM Mainframe Discussion List on behalf of
Phil Smith III
Date: Monday, April 14, 2025 at 1:55 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: GSK question
Is there a way to turn off GSK (System SSL)? We have a customer who had a
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בתאריך יום ב׳, 14 באפר׳ 2025 ב-20:55 מאת Phil Sm
Is there a way to turn off GSK (System SSL)? We have a customer who had a
problem where our STC suddenly wouldn't start: it would try to connect (to a
server off z/OS) and that would fail. Connectivity SEEMED ok otherwise, and of
course "nothing has changed". A gsktrace produced nothing. After s
deration Server for z/OS can also provide JDBC
access to IMS data and tools to create the metadata mapping.
Denis.
On Thursday, April 10, 2025 at 04:47:47 PM GMT+2, Phil Smith III
wrote:
This question was passed to me from someone else, so it may be so off-base it's
not even wrong (
Oh, but the rename from "DB2" to "Db2" was done when they capitalized the "z"
in "IBM Z". So it was necessary to preserve the number of uppercase/lowercase
characters, ya see. This is important to keep the universe in balance.
-Original Message-
From: IBM Mainframe Discussion List On Be
ok for a bridge from IMS to DB2? They are way
closer that any other product and there will be (or at least
was) a package that does that.
Martin
Am 10.04.25 um 16:47 schrieb Phil Smith III:
> This question was passed to me from someone else, so it may be so off-base
> it's not even w
This question was passed to me from someone else, so it may be so off-base it's
not even wrong (TBH I can spell "IMS" about two out of three times and that's
the extent of my knowledge):
Is there a product that lets a non-z/OS system interact with IMS/DB using
ODBC/JDBC? I'm thinking that Data
Well, I just got email saying it's in 30 minutes, so...
Timezones are hard. /s
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Pommier, Rex
Sent: Tuesday, April 8, 2025 9:32 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: IBM Announces the IBM z17, z/OS 3.2 (Preview), M
https://www.quora.com/What-are-some-notable-failed-programming-tools-that-promised-to-revolutionize-software-development
Trausti Thor Johannsson's response (which is currently at the top there, but
might not be later) includes "[Java] not only made Mainframe computers not die
but made them very
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