Re: What was a 3314?

edgould1...@comcast.net (Edward Gould) writes: > It addressing had MMBBCCHHR(R?) so I guess you could address it > directly. Anyone remember how to do that? (progr5amming for a 2321 is > a lost art (where is Seymour?). the "BB" was to select the BIN that the magnetic strips were located in.

Re: TCP/IP question on routing

rpomm...@sfgmembers.com (Pommier, Rex) writes: > Sorry if these are silly questions, but my brain is really foggy this > morning. My questions are for validation of what I think would happen > with various iterations of IPCONFIG DATAGRAMFWD. > > Scenario 1, I have a single IP address on my z/OS

Re: opinion? Fujitsu USA

elardus.engelbre...@sita.co.za (Elardus Engelbrecht) writes: > I vaguely remember that I worked [indirectly] with them when I started > worked around 1989. > > ICL [from Britain?] and Amdahl [from that wizard Gene Amdahl] were > guzzled up by Fujitsu. Fujitsu was major manufacture and investor

Re: Fwd: Tech News 1964

peter.far...@broadridge.com (Farley, Peter x23353) writes: > IMHO part of what is vanishing mainframe clients is IBM's failure > several decades back to continue to support universities with > discounted hardware and software. Lack of mainframe availability at > university level has translated

Re: Microprocessor Optimization Primer

note that test was on both 360/67 and 360/65 machines and was atomic. I've commented before about charlie invented compare (chosen because CAS are his initials) while doing fine-grain multiprocessor locking working on CP67 (360/67 precursor to vm370) at the science center.

Re: CeBIT and mainframes

dcrayf...@gmail.com (David Crayford) writes: > Emulex sells an HBA that handles over 1M IOPS on a single port. IIRC, > x86 Xeon class servers have something called DDIO which facilitates > writes directly to processor cache. > It's not too dissimilar to offloading I/O to SAPs. I've got old >

Re: CeBIT and mainframes

dave.g4...@gmail.com (Dave Wade) writes: > In fact its a bit like SVC's in VM/370. The code which handles them is > very different to that in the OS world, but the code still runs there was joke about the time MVS came out with 8mbyte kernel image in every virtual address space ... that the

Re: Introducing the New z13s: Tim's Hardware Highlights

edgould1...@comcast.net (Ed Gould) writes: > Remember the *OLD* days there was a 16MB max on (even) an MP? Never > mind the cost of $10K per meg (if memory serves me on a 168). > Yes the newer machines have more memory but in reality you really > don't get all that more functionality, and yes

Re: History of Computing 1944 and the evolution to the System/360

charl...@mcn.org (Charles Mills) writes: > My *recollection* is that the S/360 30 came with up to 48K, or 64K by RPQ. I > could be off, but 1MB sounds incredibly high to me. ga24-3231-7, 360-30 functional characteristics pg14 (from bitsavers) c308kbytes d30 16kbytes dc30 24kbytes e30

Re: ASCII vs. EBCDIC (was Re: On sort options ...)

000a2a8c2020-dmarc-requ...@listserv.ua.edu (Tom Marchant) writes: > ASCII was seriously considered for the initial System/360 > design. Amdahl, Blaauw and Brooks published an article in the IBM > Journal in April, 1964, titled "Architecture of the System/360" in > which many of the design

Re: Query: Will modern z/OS and z/VM classes suffice for MVS and VM/370

ri...@livingcomputermuseum.org (Rich Alderson) writes: > We are currently in the process of restoring a 4341 to operating > condition. We have just last week corrected a fault in the power > system, and are able to power the system up and IML it from floppy. > > We are now deciding what operating

Re: AW: Re: You thought IEFBR14 was bad? Try GNU's /bin/true code

dlc@gmail.com (David L. Craig) writes: > Does anyone else (Google doesn't) remember the ELHO acronym? > > Equal- mask '8' > Low - mask '4' > High - mask '2' > Overflow - mask '1' > > Back in the days of no extended mnemonic opcodes it was > quite the assembler programming aid. I

Re: Ancient History (OS's) - was : IBM Destination z ...

000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes: > (Topic drift on recreation) I found a fun Mandelbrot set viewer at: other IBM Mandelbrot drift ... In the 80s, Mandelbrot resigned from IBM Research in protest over the elimination of research.

Re: IBM Destination z - What the Heck Is JCL and Why Does It Look So Funny?

t...@tombrennansoftware.com (Tom Brennan) writes: > Yep - I'm hoping they'll like the batch facilities in MVS which in my > opinion are far beyond unix. This might be a spot where a history > lesson is needed, but I wasn't around in the early days: > > From what I've read, MVS started with

Re: IBM Destination z - What the Heck Is JCL and Why Does It Look So Funny?

harris...@gmail.com (Graham Harris) writes: > Doesn't deadline scheduling count? as undergraduate in the 60s, I did dynamic adaptive resource management that was picked up and shipped in CP/67 (customers periodically referred to as fairshare scheduler or wheeler scheduler because default policy

Re: Ancient History (OS's) - was : IBM Destination z - What the Heck Is JCL and Why Does It Look So Funny?

linda.lst...@comcast.net (Linda) writes: > I had an Apple ][ with an acoustic coupler. It auto dialed over a > regular telco dial tone line using a program loaded from a cassette > player, or if one could afford it, from an early floppy drive. The > college I went to had a Univac 90/70d. The were

Re: Ancient History (OS's) - was : IBM Destination z - What the Heck Is JCL and Why Does It Look So Funny?

bles...@ofiglobal.com (Lester, Bob) writes: > ​Yeah. Worst mistake Gary Kindall ever made. Just think, if he'd hadn't > "blown off" IBM, I'd be cursing his memory (he's deceased) instead of > Bill Gates. Or maybe not, I ran CP/M-80 back in the day. I really > enjoyed it. But, then, I enjoyed

Re: 3270 based ATMs

other trivia: A Brief History of the ATM http://www.theatlantic.com/technology/archive/2015/03/a-brief-history-of-the-atm/388547/ The company seemed poised to overwhelm its competitors until executives decided to deploy a new model "the IBM 4732 family" which were incompatible with previous

Re: 3270 based ATMs

tro...@gmail.com (Rick Troth) writes: > I searched before asking, but didn't find anything close. > Anyone know how many 3270 based ATMs are in operation? > Anyone know where I can find tech pubs for such? 3624 designed at los gatos lab (disclaimer at one time, I had wing of offices and labs

Re: Lineage of TPF

000248cce9f3-dmarc-requ...@listserv.ua.edu (Ed Finnell) writes: > As Lynn mentioned there were hardware mods for ACP/TPF to the 3081, 3083 > and 3090's. They were given new numbers 9081,9083 and of course 9190? I guess > shorter path lengths and such but couldn't find any details after a

Re: Where do you place VSE?

g...@gabegold.com (Gabe Goldberg) writes: > One response cited Wikipedia entry. ALSO good timing; I'm ALSO writing > article on VSE community. As you'd expect, the VSE list has had a lot > to say -- positive, negative, and informative. OS/360 for a time PCP, MFT, and MVT ... but didn't work well

Re: Lineage of TPF

g...@gabegold.com (Gabe Goldberg) writes: > Indeed. Then a couple people responded. Good timing; I'm writing > article on TPF for Destination z or IBM Systems Magazine (I forget > where it'll be published). IBM TPFers have been very helpful and I'm > contacting TPF users group:

Re: Lineage of TPF

jo.skip.robin...@att.net (Skip Robinson) writes: > I had a brief and bemusing encounter with TPF around 1990. My > employer, Security Pacific Bank, was acquired by (the old SF-based) > Bank of America, which was then under the tutelage of an ex CEO of > American Airlines. He believed that TPF was

Re: Lineage of TPF

sas...@sas.com (Don Poitras) writes: > TPF ran lots of ATM networks. I worked at First Interstate in 1988 > working on a project to convert from TPF to MVS. And certainly any > bank that does VISA authorization at their ATMs still to this day use > TPF because that's what VISA uses. (credit) card

Re: Lineage of TPF

edgould1...@comcast.net (Ed Gould) writes: > I was not on the the team (next cubicle over). I was somewhat involved > in the precursor(?) of Mastercard called Town & Country. This was in > Chicago. The OS that Mastercard was was written was DOS (I *THINK* it > was on a 360/30) and to some extent

Re: Lineage of TPF

other trivia ... IBM had bought complex that had been originally built in Purchase for new Nestle hdqtrs (before Nestle ever moved in). In the 90s, during the IBM troubles ... the new CEO was looking to raise cash and was selling off real estate (even at well below market and sometimes even below

Re: Man Versus System

john.archie.mck...@gmail.com (John McKown) writes: > ​Descended from ACP (Airline Control Program). > https://en.wikipedia.org/wiki/IBM_Airline_Control_Program​ > > I worked at Braniff Airways before it went under. The reservation system > ran ACP on a 2 Meg 3033. The thing would IPL in about 5

Re: Compile error

jo.skip.robin...@att.net (Skip Robinson) writes: > The name 'DB2' seems to have followed the 1980s tradition of what I call > 'name bloat', the practice of inflating a moniker in one way or another to > make a product look more mature or more elegant. The paragon in my mind was > dBASE II from

Re: Compile error

other trivia from ibm jargon: MVM - n. Multiple Virtual Memory. The original name for MVS (q.v.), which fell foul of the fashion of changing memory to storage. MVS - n. Multiple Virtual Storage, an alternate name for OS/VS2 (Release 2), and hence a direct descendent of OS. OS/VS2 (Release 1) was

Re: Compile error

hal9...@panix.com (Robert A. Rosenberg) writes: > And then there was Star Wars (AKA: A New Hope [which was added when > the film was rereleased as part of the release of The Empire Strikes > Back]) which opened with a crawl saying Episode 4". That was just > because they were emulating the old

Re: Compile error

thomas.sa...@fiserv.com (Savor, Thomas , Alpharetta) writes: > Management System or DBMS in 1983 when IBM >released DB2 on its MVS > mainframe platform." -- Wikipedia, citing an IBM manual as authority. > > All these years, I've have only known of DB2. The name seems to have stuck. > > Was

Re: Fibre Chanel Vs FICON

Kevin Bowling writes: > I'm shortly going to be the new owner of a z800 at home. Looking > forward to booting and playing with this bistro, what kind of disk array > do I need? Is fibre channel storage enough, or is FICON extra special > at the protocol level? Is

Re: History question - In what year did IBM first release its DF/DSS backup & restore product?

ibmm...@computersupervisoryservices.com (Stephen Mednick) writes: > Looking to find the answer to the question "in which year did IBM release > its DF/DSS backup & restore product. some trivia from the web

Re: Is there a source for detailed, instruction-level performance info?

shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes: > We ran more than that, plus TSO, on a 2 MiB machine. IBM executives were looking at 370/165 ... where typical customer had 1mbyte ... in part because 165 real memory was very expensive ... and typical regions were such that they

Re: Is there a source for detailed, instruction-level performance info?

mike.a.sch...@gmail.com (Mike Schwab) writes: > If branch predicting is a big hang up, the obvious solution is to > start processing all possible outcomes then keep the one that is > actually taken. I. E. B OUTCOME(R15) where R15 is a return code of > 0,4,8,12,16. aka, speculative execution ...

Re: Is there a source for detailed, instruction-level performance info?

rpin...@netscape.com (Richard Pinion) writes: > Don't use zoned decimal for subscripts or counters, rather use indexes > for subscripts and binary for counter type variables. And when using > conditional branching, try to code so as to make the branch the > exception rather than the rule. For

Re: Is there a source for detailed, instruction-level performance info?

charl...@mcn.org (Charles Mills) writes: > Not so simple anymore. > > "How long does a store halfword take?" used to be a question that had an > answer. It no longer does. > > My working rule of thumb (admittedly grossly oversimplified) is > "instructions take no time, storage references take

Re: DOS descendant still lives was Re: slight reprieve on the z.

t...@vse2pdf.com (Tony Thigpen) writes: > The 4300 did not come out of Endicott. It was developed in Germany, in > the same lab that developes DOS/VSE. As an undergraduate I do lots of work on cp67 (including to run in 256kbyte machine). The morph of cp67 to vm370, did a lot of simplification of

Re: DOS descendant still lives was Re: slight reprieve on the z.

other trivia in the wake of FS and mad rush ... 303x was kicked off ... as mentioned 3033 was 168 logic remapped to 20% faster chips ... that happened to have ten times more circuits per chip. Using original 168 logic, 3033 would have been only 20% faster than 168 (aka 3.6mips). However, some

Re: DOS descendant still lives was Re: slight reprieve on the z.

jcew...@acm.org (Joel C. Ewing) writes: > No (about the "free", not about the "dead for decades"), DOS/VS was the > last really free base (last version Release 34?). Perhaps technically > DOS/VSE was "free", as there didn't appear to be a monthly licensing > charge for DOS/VSE itself

Re: OT: Electrician cuts wrong wire and downs 25,000 square foot data centre

p...@petelancashire.com (Pete Lancashire) writes: > Showing my age > > I worked for Burroughs as an engineering technician. > > A customer with 360/65 instantaneous loss of power. I was there only for a > couple hours to drop off some equipment. Later heard they lost a couple > disk packs.

Re: OT: Electrician cuts wrong wire and downs 25,000 square foot data centre

tony.j.new...@btinternet.com writes: > This happend to us, 3380 continued to write x'00' over VM byte > allocation map on cyl 0. Original CMS filesystem from the mid-60s almost had a fix for this ... updated filesysem control information was written to new locations ... and then the MFD was

Re: IBM Automatic (COBOL) Binary Optimizer Now Availabile

hyperthreading trivia ... early 70s, I got sucked into helping with hyperthreading effort for 370/195 (that never shipped). 370/195 could run at 10MIPS, but most codes ran at 5MIPs. 195 had our-of-order execution, but didn't have branch prediction or speculative execution ... so conditiional

Re: IBM Automatic (COBOL) Binary Optimizer Now Availabile

charl...@mcn.org (Charles Mills) writes: > Now, in a sense, mainframes ARE getting faster. More cache. Higher > real memory limits and for Z, dramatically lowered memory prices. That > processor multi-threading thing. But especially, new instructions that > are inherently faster than the old way

Re: Were you at SHARE in Seattle? Watch your credit card statements!

martin_pac...@uk.ibm.com (Martin Packer) writes: > Ah Chip & PIN at last. there was a large pilot deployment in the US around the turn of the century ... however it was in the "YES CARD" period ... the issue was it was possible to use the same skimming exploits to collect information for

Re: Were you at SHARE in Seattle? Watch your credit card statements!

slight mainframe related trivia. chip had a booth at the '99 world-wide retail banking conference ... along with press release ... in this old post http://www.garlic.com/~lynn/ansiepay.htm#x959bai X9.59/AADS announcement at BAI leading up to the conference ... we spent a lot of time with one of

Re: Compiler

000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes: > Well, yes. Something about core competency. Spend programming > resource on an optimizing compiler which can produce object code > faster, better, cheaper than redundant effort by human programmers. > And the next

Re: Gene Amhdahl Dies at 92

stars...@mindspring.com (Lizette Koehler) writes: > Gene Amdahl, who helped IBM usher in general-purpose computers in the 1960s > and > challenged the company's dominance a decade later with his eponymous machines, > has died. He was 92. > He died on Nov. 10 at Vi at Palo Alto, a continuing care

Re: Self-service PC

charl...@mcn.org (Charles Mills) writes: > Agreed. I did an HR systems evaluation a few years back (why is a > coder evaluating HR systems? Don't ask.) and all were big on > "self-service," by which they meant if an employee, for example, > wanted to know how many vacation days s/he had in the

Re: More "ageing mainframe" (bad) press.

vbc...@gmail.com (Vince Coen) writes: > I think the stats on migration failures show that many fail regardless > of the target migration mainly is that they over estimate project > time, and quality of the target systems being used in place of m/f. > > Taking a straight view the mainframe is slow

Re: Setting the writers right

charl...@mcn.org (Charles Mills) writes: > "... the OPM is facing a huge problem with modernizing its security measures > and tactics because of one acronym: COBOL. The programming language that > rose to prominence in the 1960s is rampant throughout the OPM and with the > advanced persistent

Re: HP being sued, not by IBM.....yet!

john.archie.mck...@gmail.com (John McKown) writes: > ​They are probably referring to a z, but doing it in such a way as to > totally disparage it. The fact that the z13 is the fastest microprocessor > currently existed just doesn't penetrate their mind because the original > ​S/360 was designed in

Re: HP being sued, not by IBM.....yet!

0047540adefe-dmarc-requ...@listserv.ua.edu (Bill Johnson) writes: > http://www.theregister.co.uk/2015/09/22/michigan_sues_hp_for_upgrade_failure/ > Michigan failure. remember HP had bought EDS: http://www8.hp.com/us/en/hp-news/press-release.html?id=169924 originally founded by former IBM

Re: Term "Open Systems" (as Sometimes Currently Used) is Dead -- Who's with Me?

t...@harminc.net (Tony Harminc) writes: > In my experience, though, Windows was not generally included in what > people meant by "open systems"; they meant UNIX, and if they failed to > include z/OS (or OS/390) UNIX, it's because they were unaware of its > existence. If they wanted to include

Re: Term "Open Systems" (as Sometimes Currently Used) is Dead -- Who's with Me?

j...@well.com (Jack J. Woehr) writes: > How about "if all my disparate operating systems support TCP/IP and > C/C++, it's easier to accomplish the mission"? > > Which is more or less what it has come down to. re: http://www.garlic.com/~lynn/2015g.html#78 Term "Open Systems" (as Sometimes

Re: Term "Open Systems" (as Sometimes Currently Used) is Dead -- Who's with Me?

j...@well.com (Jack J. Woehr) writes: > Not Found ... but I went through several of the others ... > one could spend the rest of one's careers reading your posts ;) re: http://www.garlic.com/~lynn/2015g.html#77 Term "Open Systems" (as Sometimes Currently Used) is Dead -- Who's with Me?

Re: Term "Open Systems" (as Sometimes Currently Used) is Dead -- Who's with Me?

imugz...@gmail.com (Itschak Mugzach) writes: > The term 'open' for me is the liberty to choose. To choose the > hardware from many makers and to move easily from one operating system > to another. See how many are moving from unix to Linux so easy. The > mainframe is not dead nor the customers.

Re: Mainframes open to internet attacks?

mike.a.sch...@gmail.com (Mike Schwab) writes: How about Multics? Designed from the start to be multi-user and highly secure. some of the CTSS people went to the 5th flr and did Multics. Other of the CTSS people went to the IBM science center on the 4th flr and did cp67/cms, the internal

Re: Miniskirts and mainframes

JimP solosa...@gmail.com writes: Interesting. The main contractor told us it was due to the teraflops it could do, a YMP-2. I worked for a sub-contractor. IBM Kingston supposedly had the responsibility for doing new supercomputer ... also was providing to Chen's endevor (responsible for both

Re: Formal definituion of Speed Matching Buffer

shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes: I'm editing the wikipedia article on Count Key Data, and I've run into an editorial dispute. I claim that what is now ECKD was part of the SMB, and the other editor claims that you could run 3380 on a slow channel without using,

Re: 3380 was actually FBA?

l...@garlic.com (Anne Lynn Wheeler) writes: hardware speed and error correction was going to fixed-sized blocks. You can see this in 3380 track capacity calculations where record sizes have to be rounded up, sort of compromise hack given that MVS wasn't going to support real FBA. The 3380

Re: 3380 was actually FBA?

jcal...@narsil.org (Jerry Callen) writes: In another thread, l...@garlic.com wrote: ... but then if MVS had FBA support wouldn't have needed to do 3380 as CKD (even tho inherently it was FBA underneath) ... I didn't know that. Was that the first (and/or last?) IBM SLED to be inherently

Re: Formal definituion of Speed Matching Buffer

re: http://www.garlic.com/~lynn/2015f.html#86 Formal definituion of Speed Matching Buffer http://www.garlic.com/~lynn/2015f.html#88 Formal definituion of Speed Matching Buffer For those that got post forwarded and can't see the recent URL refs on garlic.com ... On 17Apr2015, garlic.com changed

Re: Formal definituion of Speed Matching Buffer

shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes: I'm editing the wikipedia article on Count Key Data, and I've run into an editorial dispute. I claim that what is now ECKD was part of the SMB, and the other editor claims that you could run 3380 on a slow channel without using,

Re: Formal definituion of Speed Matching Buffer

000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes: Circa 1980 my then employer marketed a CCD SSD product which suffered timing incompatibilities, not because of transfer rate, but because of inter-block latencies. It appeared that some VM paging code paths depended on

Re: Limit number of frames of real storage per job

allan.stal...@kbmg.com (Staller, Allan) writes: There can also be performance advantages from GC. GC moves objects together in storage, making it much more likely that your application data will be in the processor caches. If GC keeps your data in processor cache it will perform much better

Re: Where are Internet Lists for Mainframe

stars...@mindspring.com (Lizette Koehler) writes: For those of you going to share in Orlando, I would like to let you know that at Share Tom Conley will be giving a share presentation on Thursday 3:15p called Effective Use of the Internet for Mainframe Problem Solving This session will show

Re: 3705

g...@ugcs.caltech.edu (glen herrmannsfeldt) writes: OK, I forgot that the Usenet gateway doesn't work anymore. I am wondering what software one needs for a 3705 to connect up ordinary ASCII terminals. For example, what would be needed to use TSO or Wylbur on ASCII terminals? I know this is

Re: Why major financial institutions are growing their use of mainframes

marktre...@gmail.com (Mark Regan) writes: I recently learned about a bank in Japan that has been using a mainframe since the 1970's without a single second of downtime. Its architecture allows for full software and hardware upgrades without an outage. i periodically mention that my wife had

Re: New Line vs. Line Feed

john.archie.mck...@gmail.com (John McKown) writes: As a side note (as I have heard it), the reason that Windows uses CRLF as a line ending is because MS-DOS did the same. MS-DOS used CRLF because CPM-80 used CRLF. And, finally, CPM-80 used CRLF because the common printers at the time could not

Re: New Line vs. Line Feed

t...@vse2pdf.com (Tony Thigpen) writes: It's actually much worse. There are three: Ebcdic: CR = x0D NL = x15 LF = x25 Originally, CR only moved the print back to the first position of the same line. LF only moved the print down one line without moving sideways. NL moved both down and to

Re: PCI DSS compliance for z/OS

charl...@mcn.org (Charles Mills) writes: I think much of the problem is with credit card numbers themselves. There are only ~10**16 possible credit card numbers -- many fewer if you allow for the fact that only certain combinations are valid. A credit card number is easier to brute-force guess

Re: Knowledge Center Outage May 3rd

jerry.whitteri...@safeway.com (Jerry Whitteridge) writes: I miss HONE ! Jerry Whitteridge Lead Systems Engineer Safeway Inc. I was recently asked when HONE actually shutdown http://www.garlic.com/~lynn/2015c.html#93 HONE Shutdown and found an email from may1998 saying it was going away

Re: JES2 as primary with JES3 as a secondary

sipp...@sg.ibm.com (Timothy Sipples) writes: Let's take a brief look at this not exactly new history. I can fairly easily trace JES3 back a quarter century. (Perhaps somebody else would like to go back into the pre-Sysplex JES3 era, from 1973 to 1990, to see what IBM recommended and/or

Re: A New Performance Model ?

sipp...@sg.ibm.com (Timothy Sipples) writes: Storage isn't what it was in 1982, and that's the whole point. It's faster, more reliable, and ridiculously less expensive. We shift our attentions elsewhere, rightly so, at least in terms of degree of emphasis. We simply don't worry about kilobytes

Re: A New Performance Model ?

idfzos...@gmail.com (Scott Ford) writes: Agree you 100%. Maybe they need a second pair of eyes to review the design. I know I do and I will bet other software designers and system programmers do. A second pair of eyes is like a Dr.'s second option.. Like you mentioned something was missed and

Re: OT: Digital? Cloud? Modern And Cost-Effective? Surprise! It's The Mainframe - Forbes

Robert Wessel robertwess...@yahoo.com writes: IBM shipped about 20 360/91s, then a couple of 360/95s with a redesigned memory subsystem, then the 360/195 which re-implemented the same machine on a faster, denser logic process, then that modified was to include the basic S/370 extensions (no

Re: New Principles of Operation (and Vector Facility for z/Architecture)

sipp...@sg.ibm.com (Timothy Sipples) writes: The IBM z13's ~139 SIMD instructions are different and new, yes. I expect that they represent a perfect functional superset of the long ago discontinued S/390 Vector Facility. However, it's probably not particularly useful to draw many parallels (!)

Re: Economics of Mainframe Technology

arthur.gutow...@gm.com (Art Gutowski) writes: If my notes are accurate from Ross' Keynote address to SHARE attendees in Seattle, mainframes account for 68% of production workloads, but only 6% of IT spend (exclusive of aggregate labor costs across platforms). Given the armies of sysadmins to

Re: bloomberg article on ASG and Chpater 11

0047540adefe-dmarc-requ...@listserv.ua.edu (Bill Johnson) writes: Bankruptcies are rarely a good thing. I've been through one. trivia ... stockman goes into some detail about stock buybacks (including IBM's) and characterizes them as mini-form of LBO.

Re: Anthem Healthcare Hacked

hal9...@panix.com (Robert A. Rosenberg) writes: What is done with the Sensitive Data is importance. In many cases, such as passwords, there is no need to know the actual data but only to compare it with some supplied value to see that it matches. Thus a stored one-way hashed value is secured

ancient cobol applications

local news just had item about ancient software at state agencies, 619 major cobol applications developed in 80s ... frequent crashesoutages, almost impossible to maintain or change ... in part because of the lack of cobol programmers. The state is even considering setting up financial incentive

Re: Anthem Healthcare Hacked

Anthem's stolen customer data not encrypted; But under federal law, health insurance companies don't have to encrypt user data. http://www.cnet.com/news/anthems-hacked-customer-data-was-not-encrypted/ In early part of century, I was co-author of financial industry privacy standard ... and we had

Re: a bit of hope? What was old is new again.

shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes: FSVO this. IBM distributed service with preassembled modules. Only if you had updates would the service process reassemble. re: http://www.garlic.com/~lynn/2015.html#84 a bit of hope? What was old is new again

Re: a bit of hope? What was old is new again.

edgould1...@comcast.net (Ed Gould) writes: yet IBM never delivered a source code maintenance system. Something that practically everyone was in need of. re: http://www.garlic.com/~lynn/2015.html#84 a bit of hope? What was old is new again. science center did the multi-level cms update source

Re: a bit of hope? What was old is new again.

edgould1...@comcast.net (Ed Gould) writes: So, it was IBM saying if you don't run VM, FY? I think the many MVS sites would take exception to that. From my perspective VM was OK some things but not for PRODUCTION. VM was a sand box so the real work was to be done on MVS. re:

Re: a bit of hope? What was old is new again.

re: http://www.garlic.com/~lynn/2015.html#84 a bit of hope? What was old is new again. http://www.garlic.com/~lynn/2015.html#85 a bit of hope? What was old is new again. http://www.garlic.com/~lynn/2015.html#86 a bit of hope? What was old is new again. part of customer facing issue was that in

Re: a bit of hope? What was old is new again.

000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes: Where I read: ... For example, one thing I try to do is to have our IT infrastructure employees trained to code so that they can automate repetitive tasks. In contrast to the Enterprise mindset frequently

Re: z13 new(?) characteristics from RedBook

shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes: What is CP, chopped liver? trivia ... (at least) 80s90s ... the various vendor UNIX ports to mainframe ran under vm370 ... the issue was relying on vm370 for error handling/recovery/EREP ... because adding such capability to UNIX

Re: z13 new(?) characteristics from RedBook

000a2a8c2020-dmarc-requ...@listserv.ua.edu (Tom Marchant) writes: Today's processors have cache because main memory is _really_ slow compared to the processor. When the processor accesses something at a memory address, if the data at that location is in the cache, the processor can access

Re: z13 new(?) characteristics from RedBook

dcrayf...@gmail.com (David Crayford) writes: Better to compare it to the POWER arch http://www-03.ibm.com/systems/resources/pwrsysperf_SMT4OnP7.pdf. It may be CISC not RISC but those lines are getting more blured with every new churn of z. I would imagine that the SIMD vector units also

Re: z13 new(?) characteristics from RedBook

john.archie.mck...@gmail.com (John McKown) writes: ​Yes. I remember some decades back reading that CISC was going to die due to RISC performing better with optimizing compilers​. That both did and didn't come true. The hardware exposed ISA is dominated by CISC on the high end (RISC ISA chips

Re: Young's Black Hat 2013 talk - was mainframe tribute song

charl...@mcn.org (Charles Mills) writes: I am not certain that MVS exposures versus lax security is a black and white dichotomy. It's easy to look after the fact at any breach and say aha! You should not have done X. I don't think the role of we security practitioners is solely pointing out

Re: Slushware

alan_altm...@us.ibm.com (Alan Altmark) writes: Yet you never hear millicode being applied to storage controllers or other parts outside of the processor. And you know as well as I do that they aren't replacing microcode on the processor chips. They're replacing the OS and the applications

Re: Slushware

re: http://www.garlic.com/~lynn/2014m.html#161 Slushware http://www.garlic.com/~lynn/2014m.html#163 Slushware http://www.garlic.com/~lynn/2014m.html#164 Slushware as an aside ... the hardware layer from i86 instructions to risc micro-ops for execution ... isn't serialized ... it is pipelined

Re: Slushware

000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes: It began nearly a half century ago with microcode implementation of S360 models, and only slightly later, W. M. Waite's Mobile Programming System. Nowadays: microcode-millicode-PR/SM-VM-JVM-byte code How many layers

Re: Slushware

000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes: How many layers have I neglected? Hercules is a confluent branch. re: http://www.garlic.com/~lynn/2014m.html#161 Slushware http://www.garlic.com/~lynn/2014m.html#163 Slushware for other hercules drift ... risc processors

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 capabilities. All blocks written to a ECKD device consist of a Count field, an

Re: z/OS MD5 file hashing

002782105f5c-dmarc-requ...@listserv.ua.edu (Frank Swarbrick) writes: Does anyone know of a program/subroutine that can read any kind of MVS sequential dataset and calculate an MD5 hash on it?  By any kind I am specifically meaning a file that is either FB or VB and can have any LRECL.

Re: Page Data Set Sizes and Volume Types

t...@tombrennansoftware.com (Tom Brennan) writes: Me too - until just a few days ago when I happened upon a number of 3380's defined at a client site. All I can guess is these were still real 3380's at the time they needed to be moved to a DS8000. TASID shows them as 3380-TC3 (whatever that

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