sipp...@sg.ibm.com (Timothy Sipples) writes:
> I probably disagree with Binyamin about who implemented 31-bit support
> when. Wikipedia Japan says that VOS3/ES1, the first 31-bit version of VOS3,
> shipped in March, 1985. IBM's MVS/XA shipped at least as early as 1982. (It
> was announced in
dcrayf...@gmail.com (David Crayford) writes:
> It's a risky business migrating large systems and many have failed. I
> know of one bank that spent $350M trying and they failed
> miserably. There are just so many complexities and it's just too hard
> for most.
> I heard an amusing analogy that it's
mike.a.sch...@gmail.com (Mike Schwab) writes:
> S/370 operating systems and Linux on System Z can be run on Hercules
> on a small PC.
max z196 config with 80 processors was rated at 50BIPS and went for
$30M. Last published peak I/O benchmark was for z196 with 104 FICONs
(running over 104 fibre
r.skoru...@bremultibank.com.pl (R.S.) writes:
> Just curious: the formulas can give fractional values. How to round them?
> OK, I assume the physrec/trk should be rounded down, but what about D?
remember CKD disks haven't been manufactured for decades, all being
simulated on industry standard
Tom Longfellow writes:
> Let the pedantry begin: Superdome, Xeon, Rack servers, Blades, etc.
> For this discussion they are all the same: A separately maintained set
> of many boxes (with some virtualization to extend their reach) versus
> the Great Satan, called
mainfr...@bigendiansmalls.com (Chad Rikansrud) writes:
> As Charles pointed out - the hypothetical attack is about just taking
> over the privileged user's PC and launching from there.
when corporations first started using VPN software over internet into
corporate sites ... we pointed out trivial
000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes:
> Anyone can take anyone to court. That's not the question. As [a] Civil
> Procedure professor said, "You can sue the Bishop of Boston for
> bastardy. But can you collect?" (Origin obscure.)
when I first moved to boston area
trivia from long ago and far away, gone 404, but lives on
at the way back machine:
http://web.archive.org/web/20090117083033/http://www.nsa.gov/research/selinux/list-archive/0409/8362.shtml
I didn't learn about them until much later. As undergraduate did lots of
work on IBM software and I would
000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes:
> A recurrent question in these fora is, "How can I make links appearing
> in documents viewed in a mainframe editor active?" Cbttape.org
> probably has an answer. Or an ISV.
>
> Many years ago, when the risks of TCP/IP were
jesse1.robin...@sce.com (Jesse 1 Robinson) writes:
> I have a rather jaundiced view. Every time the word 'legacy' rings, an
> angel in heaven is entitled to use the word 'weenie-ware' one more
> time.
>
> Since the term 'data set' (is it one or two words?) is pretty much
> confined to mainframe,
jesse1.robin...@sce.com (Jesse 1 Robinson) writes:
> Unfortunately legislative bodies are dominated by lawyers, especially
> in the U.S. Sarbanes-Oxley (SOX), Congress's blunderbuss response to
> the Enron debacle, achieves maximum burden with minimal protection. A
> classic case of lawyers
d10j...@us.ibm.com (Jim Mulder) writes:
> It may depend on which types of risks are being considered. For
> example, would you consider it risky to run a stable but unsupported
> version of Windows on a machine which is connected to the internet,
> since no new security fixes are being provided
kees.verno...@klm.com (Vernooij, Kees - KLM , ITOPT1) writes:
> It sounds like when I started my job, with SVS on 370/158-168
> machines. When during IBM courses the teacher asked what we systems we
> were using and I said we also had 2 360/65's running, everybody turned
> to see where I came
d10j...@us.ibm.com (Jim Mulder) writes:
> it might be faster to read it from the DB2 data set, because DB2
> (via Media Manager) uses zHPF, but z/OS has not been enhanced to
> use zHPF for page data sets.
in 1980, I got con'ed into doing channel-extender for STL that was
moving 300 people from
sipp...@sg.ibm.com (Timothy Sipples) writes:
> 7. VP/CSS, developed by National CSS, was an evolution of CP/CMS. VP/CSS
> had some efficiency advantages back in the 1970s.
early comercial online service bureau spin-offs of science center were
NCSS & IDC ... both enhanced CP-67/CMS. IDC then
bill.hitefi...@dino-software.com (Bill Hitefield) writes:
> Perhaps I did not accurately read the introductory post for this
> topic, but if we are considering 360 and its descendants, I am
> surprised no one has mentioned either SVS or VS1 (though I did see
> where MVS was mentioned). One of my
sipp...@sg.ibm.com (Timothy Sipples) writes:
> 4. I don't think anybody mentioned VM/IX and IX/370 yet, from
> Interactive Systems Corporation (ISC). Those were different than
> AIX/370 and AIX/ESA, based on Locus Computing's work. Bell Labs had a
> UNIX operating system for System/370 even before
dbo...@sinenomine.net (David Boyes) writes:
> What about things like RSCS v1? I think it could run on bare metal in
> its early days (morphed later into becoming GCS-dependent in RSCS v2).
Original CPREMOTE ... straight point-to-point might run on bare metal
... but vnet/rscs used for the
ste...@copper.net (Steve Thompson) writes:
> And there was ASPEN (code name?) that was an "MVS" like O/S that
> Amdahl had.
re:
http://www.garlic.com/~lynn/2017d.html#75 Mainframe operating systems?
http://www.garlic.com/~lynn/2017d.html#76 Mainframe operating systems?
0041d919e708-dmarc-requ...@listserv.ua.edu (Thomas Kern) writes:
> When I started working on contract to NASA at the Goddard Institute for
> Space Studies in NYC, June 1976, they ran Scientific Supervisory
> System/360 (SSS/360) on an IBM 360/95 and a copy under VM/370 R3 on an
> Amdahl
p...@voltage.com (Phil Smith) writes:
> Ah, UTS. Forgot that one! DPPX/370 is its own thing; sounds like BOS
> and TOS, and ?maybe RTOS? should go in the VSE bucket, no? TSS, yeah,
> forgot that one, too!
re:
http://www.garlic.com/~lynn/2017d.html#75 Mainframe operating system?
After Houston,
p...@voltage.com (Phil Smith) writes:
> Today's random wondering: how many operating systems can folks remember
> having run on S/360 and descendants? I can think of:
>
> OS/360 (including MFT, MVT, MVS, up thru z/OS, including MSP and VOS3)
> VM (CP/40 up thru z/VM)
> DOS (or did it start as
000a2a8c2020-dmarc-requ...@listserv.ua.edu (Tom Marchant) writes:
> Are you suggesting that before DB2 references a page containing a
> buffer, it checks to see if it is paged out? And that if it is paged out,
> it doesn't use the record in the buffer, but instead reads it into a
>
ibmsysp...@ibm-sys-prog.com (Avram Friedman) writes:
> While they do not grow in in perfect lock step The presence of Big ass
> memory comes with big ass dasd volumes (these are the technical terms
> of course) Do you know 3350's and 2314s were once used as paging
> devices? For that matter do
l...@garlic.com (Anne & Lynn Wheeler) writes:
> The "dup" issue was if aggregate 3880-11 wasn't much larger than
> processor memory, then nearly every page in 3880-11 would also in
> processor memory. The converse if a page was needed not in processor
> memory, then it
t...@harminc.net (Tony Harminc) writes:
> Not quite sure what you're saying. The old, constrained-memory
> technique was usually to issue a variable (Vx) GETMAIN, specifying the
> minimum required size as the low bound, and the maximum useful as the
> high. Then the system returns the actual
dcrayf...@gmail.com (David Crayford) writes:
> On a z13 that's stretching plausibility to breaking point!
last several mainframe generations haven't even bothered to give rate,
just relative to previous generation:
z900, 16 processors, 2.5BIPS (156MIPS/proc), Dec2000
z990, 32 processors, 9BIPS,
l...@garlic.com (Anne & Lynn Wheeler) writes:
> 3090 added vector processing as part of playing in the supercomputer
> market ... however that required that they also be able to support
> 100mbyte/sec (and/or 1gbit/sec) I/O. 3090 was barely able to get up to
> 4.5mbyte/sec trans
vbc...@gmail.com (Vince Coen) writes:
> A M/F may not break down CPU time between system and the application
> depending on O/S used.
as undergraduate in the 60s, I remember rewritting some CP/67 (precursor
to vm370) so that it world accurately account for all time. More than a
decade later I saw
000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes:
> Not in that article, but I see:
> http://www.computerhistory.org/revolution/mainframe-computers/7/161
>
> ... — six computers with a performance range of 50 to 1, ...
>
> Did they follow Grosch's Law: "There is a
dbo...@sinenomine.net (David Boyes) writes:
> Which is still alive and well and in production use at dozens of
> sites. It’s now supported on System z hardware as well. AFS offers a
> lot of cool stuff that make continuous availability a reality on
> relatively cheap hardware. It implements a
360 announce day
http://www-03.ibm.com/ibm/history/exhibits/mainframe/mainframe_PR360.html
--
virtualization experience starting Jan1968, online at home since Mar1970
--
For IBM-MAIN subscribe / signoff / archive access
rpin...@firsttennessee.com (PINION, RICHARD W.) writes:
> I hacked my phone, installed Hercules, installed MVS 3.8, and
> now my phone is controlled by MVS.
>
> But, I'm sure the Wheeler's would suggest I use VM/370 instead.
re:
http://www.garlic.com/~lynn/2017d.html#40 What are mainframes
mike.a.sch...@gmail.com (Mike Schwab) writes:
> Android Phones and Pads are derived from Linux, biggest seller in both
> categories. Apple iPhones and iPads are derived from Darwin (BSD), 2nd
> biggest seller in both categories.
re:
http://www.garlic.com/~lynn/2017d.html#40 What are mainframes
patrick.mul...@gwl.ca (Mullen, Patrick) writes:
> We had an IBMer give a presentation a couple weeks back, an update on
> all things z. He mentioned that one of the biggest users of zLinux on
> the planet was ADP, who of course use it for...payroll.
from a recent IBM discussion on OS2
A
j...@crossno.us (John Crossno) writes:
> Just in...
> http://www.computerworld.com/article/3185530/government-it/trump-s-son-in-law-jared-kushner-prepares-for-cobol-cloud-mainframes.html
O'Malley showed Chaffetz the developers at work. "They see a working
environment that looks exactly like
re:
http://www.garlic.com/~lynn/2017c.html#81 GREAT presentation on the history of
the mainframe
http://www.garlic.com/~lynn/2017c.html#82 Great mainframe history(?)
http://www.garlic.com/~lynn/2017c.html#83 Great mainframe history(?)
http://www.garlic.com/~lynn/2017c.html#84 Great mainframe
mitchd...@gmail.com (Dana Mitchell) writes:
> 4331 had integrated disk and communication adapters built in, no 3274,
> 3705, 3880 controllers required. Later machines just had parallel
> channels just sort of built in, not really on cards. 3090 was first
> with ESCON
re:
mitchd...@gmail.com (Dana Mitchell) writes:
> 4331 had integrated disk and communication adapters built in, no 3274,
> 3705, 3880 controllers required. Later machines just had parallel
> channels just sort of built in, not really on cards. 3090 was first
> with ESCON
minor nit, ESCON announced
idfli...@gmail.com (scott Ford) writes:
> Bravo Phil and Tim from IBM. In my experience with NYC Stock Exchange
> and too many Brokerage houses to count, all of these installations had
> very tight internal/ external security. Including multiple firewalls
> to enter the MF domains. Once in the MF
t...@harminc.net (Tony Harminc) writes:
> Boeblingen got their hands slapped for anti-trust reasons for moving
> the controllers inside (shades of the 2319 disk), or because corporate
> inherently favoured Endicott over Boeblingen (and presumably POK over
> both)? Or something else?
re:
t...@harminc.net (Tony Harminc) writes:
> How were either of the 4331 or 4361 scope'able? Surely both were at
> about the same level of integration as the TCMs in the 30x0...
>
> Or had the scope'able requirement quietly disappeared by that point in
> favour of redundancy, leaving the other
l...@garlic.com (Anne & Lynn Wheeler) writes:
> For the 3090, they originally planned on using a 4331 with a highly
> modified version of vm370/cms release 6 as the service process ... with
> all service screens done in CMS IOS3270. This was upgraded to a pair of
> redundant
r.skoru...@bremultibank.com.pl (R.S.) writes:
> BTW:
> What about LPARs?
re:
http://www.garlic.com/~lynn/2017c.html#80 Great mainframe history(?)
http://www.garlic.com/~lynn/2017c.html#81 GREAT presentation on the history of
the mainframe
http://www.garlic.com/~lynn/2017c.html#82 Great mainframe
l...@garlic.com (Anne & Lynn Wheeler) writes:
> Endicott then complains tht the 5-way 370/125 SMP has better
> performance and better price/performance than 370/148 and I'm required
> in escalation meetings to argue both sides. Endicott wins ... and the
> 5-way SMP 370/125 is neve
arno...@us.ibm.com (Todd Arnold) writes:
> 360 processors with special microcode were used in a number of things.
> Early in my career, I worked on development of the IBM 3890 high-speed
> check sorter. (https://en.wikipedia.org/wiki/IBM_3890) The controller
> in that sorter was a 360 mod 25,
Between 360 and 370 there was ACS/360 ... that was killed w/o ever being
announced (executives thought it might advance state-of-the-art too fast
and company might loose control of the market). note discussion that
some of the ACS/360 features show up more than 20yrs later with es/9000
re:
http://www.garlic.com/~lynn/2017c.html#60 [EXTERNAL] ComputerWorld Says: Cobol
plays major role in U.S. government breaches
http://www.garlic.com/~lynn/2017c.html#61 [EXTERNAL] ComputerWorld Says: Cobol
plays major role in U.S. government breaches
http://www.garlic.com/~lynn/2017c.html#69
j...@crossno.us (John Crossno) writes:
> It had everything to do with "legacy" network security, not following
> best security practices, etc. Where the research talks about
> investments in modernization, they imply that the problem is "archaic"
> 30-year old COBOL systems, when that really isn't
martin_pac...@uk.ibm.com (Martin Packer) writes:
> Not to disagree with anything anyone has said, I think one thing might
> work against us:
>
> I don't know when restrictions on encryption were lifted but when I first
> was involved with encryption in the late 1980's it was pretty restrictive
arno...@us.ibm.com (Todd Arnold) writes:
> Gee, I've been developing crypto technology for 30+ years that runs in
> those environments - so it's certainly news to me that it can't be
> done :-)
re:
http://www.garlic.com/~lynn/2017c.html#60 [EXTERNAL] ComputerWorld Says: Cobol
plays major role in
imugz...@gmail.com (IronSphere by SecuriTeam Software) writes:
> no the problem described, but from my experience, program developed to
> 3270 user interface, are face lifted using brokers, bridges and other
> middle wares. The three tier design ,where some of the field
> verification was done by
john.archie.mck...@gmail.com (John McKown) writes:
> Yeah. The hardware designers should have made an "eXecute" bit to go
> along with the other "metadata" bits (such as key and change) so that
> a attempting to branch to a frame which is not marked "eXecute" would
> cause an exception. But even
john.archie.mck...@gmail.com (John McKown) writes:
> Same in other books I've seen. Why? Probably because we write from top to
> bottom. We write the lowest first, at the top, and the highest last, at the
> bottom. And then we confuse everybody by calling them "ascending" memory
> addresses while
l...@garlic.com (Anne & Lynn Wheeler) writes:
> trivia: I had worked with Jim Gray at IBM SJR ... before he left for
> Tandem. At Tandem he does a detailed analysis of failure modes, finding
> that hardware was in the process of becoming significantly more reliable
> ... and failur
charl...@mcn.org (Charles Mills) writes:
> It is hard to prepare for unknown unknowns. It is legendary that people have
> had recovery failures because the fallover switch (channel, power, network,
> whatever) failed.
re:
http://www.garlic.com/~lynn/2017c.html#13 Check out Massive Amazon cloud
jesse1.robin...@sce.com (Jesse 1 Robinson) writes:
> Our data center folks insist on dual power feeds for everything,
> sometimes infuriatingly so. To test power redundancy, they
> occasionally drop one power feed or the other--with ample heads
> up--and check that all devices are functioning.
jesse1.robin...@sce.com (Jesse 1 Robinson) writes:
> ISPF was far more than a product rename, though IBM gets snaps for
> repurposing an acronym almost seamlessly. The major advance in ISPF
> was the modern day 'dialog' and all the rich support we associate with
> it. In the old SPF, it was
john.archie.mck...@gmail.com (John McKown) writes:
> It adds some really nice features to legacy z/OS. But UNIX files can be
> confusing to z/OS programmers because they are more like "memory" than
> "disk" in that they are simply an ordered sequence of _bytes_, not
> _records_. The file system
sipp...@sg.ibm.com (Timothy Sipples) writes:
> Uh huh. And so can z/VM, and so can KVM for IBM z Systems and
> LinuxONE. Moreover, I would argue that Concurrent Processor Drawer
> Add and Concurrent Processor Drawer Repair/Replace are extremely
> sophisticated instances of live system movement
balbo...@att.net (Salah Balboul) writes:
> This is "Capitalism", making money is king. Every large corporation
> tries to sell this "Job Loyalty" to workers, however, rest assured
> this is a one sided affair. They want you to be loyal.
>
> Then again, think about it. When you start your
000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes:
> Nowadays (or is it next year's model?), on the z, practically every one.
> Nothing will run without the PR/SM hypervisor.
>
> In the twilight of Sun Microsystems, Sine Nomine ported OpenSolaris
> to z. It required z/VM for
charl...@mcn.org (Charles Mills) writes:
> independently of z/VM, but that is no longer true.
>
> I'm quite familiar architecturally with CMS. Yes, it is in one sense
> an operating system. If I drew a picture of z/VM with a bunch of
> guests, CMS would be a peer to VSE, z/OS and Linux, all of
Virtualization's Past Helps Explain Its Current Importance
http://www.ibmsystemsmag.com/mainframe/administrator/Virtualization/importance-today/
The CP67 installed at the university didn't have LRU ... is was sort of
FIFO ... I did the work for LRU
extended additional discussion on linkedin,
013a910fd252-dmarc-requ...@listserv.ua.edu (David W Noon) writes:
> All of the buffer fills and buffer flushes occur quite separately from
> the application program. The EXCP macro is a wonderful thing.
A big problem with the EXCP semantics ... it had applications (and/or
libraries running in
dave.g4...@gmail.com (Dave Wade) writes:
> High Speed card readers read all columns of the card at the same time,
> so they have 80 sensors, and read the card row-by-row, allowing much
> faster reading. There is no reel of tape that has inertia that has to
> be controlled on a stop.
> A card deck
rob.schr...@gmail.com (Rob Schramm) writes:
> There are just loads of uses and possibilities for blockchain. I had
> started looking into coding for Bitcoin to use unused cycles on z/OS to
> make money. But then migrated over to blockchain as a concept to act as a
> proof or record history. I
http://www.livingcomputers.org/
is looking for help/assistance
forwarded:
We have a 4361 we recently purchased in running condition from the
original owner in Sacramento. Our plan is to put VM/370 (or possibly
VM/SP, we have an in within IBM who is working on that) on the system
and run it as
posts
http://www.garlic.com/~lynn/2017.html#21 History of Mainframe Cloud
http://www.garlic.com/~lynn/2017.html#22 History of Mainframe Cloud
http://www.garlic.com/~lynn/2017.html#27 History of Mainframe Cloud
and recent article from Google Cloud
Google Infrastructure Security Design Overview
charl...@mcn.org (Charles Mills) writes:
> And 1443 (?). I had a client that had a 1403 variant that was a little
> slower but included a 16-or-so column card reader. You could print
> invoices on pre-punched cards and read the punching to make sure you
> were printing on the right card (no spool,
edgould1...@comcast.net (Edward Gould) writes:
> That is not how I remember it at all. The Carriage tape on a
> 1403/3211(?) was just for that machine. i.e. skip to channel x As I
> have said before I do not ever remember seeing any IBM device or
> computer that had a paper tape reader/writer.
mike.a.sch...@gmail.com (Mike Schwab) writes:
> And the web site is the server and the web page is the application.
>
> The cloud just reassigns different servers to serve the web page
> (application).
re:
http://www.garlic.com/~lynn/2017.html#21 History of Mainframe Cloud
re:
http://www.garlic.com/~lynn/2017.html#21 History of Mainframe Cloud
Les sent me this CP40/CMS presentation that he gave at '82 SEAS meeting,
and let me scan, OCR and put it up
http://www.garlic.com/~lynn/cp40seas1982.txt
a copy is also in the appendix of Melinda's (neuall.pdf) VM history
stars...@mindspring.com (Lizette Koehler) writes:
> https://www.ibm.com/blogs/cloud-computing/2014/03/a-brief-history-of-cloud-compu
> ting-3/
>
> After some time, around 1970, the concept of virtual machines (VMs)
> was created.
mid-60s, some of the CTSS people went to 5th flr to do MULTICS
...
000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes:
> Decades ago, I had experimented with similar techniques, even so far as
> paired +- RLDs. In the course of that, I discovered that CMS obeys its
> own rules. If I had unresolved WXTRN + absolute offset, it got relocated
>
000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes:
> Further, with UNIX shared memory and the older CSA and LPA
> a single page, possibly executable, can be mapped into multiple
> address spaces. It better be reentrant.
>
> The address ranges wouldn't need to be identical if
patrick.v...@axa-tech.com (Patrick Vogt) writes:
> If you look at coding/automation on decentralized platforms, the
> Mainframe is technically still ahead of the other platforms. It may be
> slower on implementations but that's not to do with the Mainframe but
> of people coding like 20 years ago
mitchd...@gmail.com (Dana Mitchell) writes:
> Exactly! They are just managing the decline and extracting maximum
> profit out of it along the way, IBM (and more importantly Wall St.)
> have no interest in expanding the z business.
>
> I wouldn't exactly consider cloud a high margin business.
000a2a8c2020-dmarc-requ...@listserv.ua.edu (Tom Marchant) writes:
> And your z/OS license will cost how much?
and you still wouldn't have all the source that is free to change for
adapting to cloud megadatacenter operating paradigm.
--
virtualization experience starting Jan1968, online at
charl...@mcn.org (Charles Mills) writes:
> I would guess because the market is for Linux on Intel. Vicious cycle:
> no apps, no offering, no apps, ...
re:
http://www.garlic.com/~lynn/2016h.html#56 Why Can't You Buy z Mainframe
Services from Amazon Cloud Services?
a big issue in the cluster
john.archie.mck...@gmail.com (John McKown) writes:
> I think I understand why IBM does this, not that I agree with
> them. Look at all the press recently about Wintel (PC sales down) and
> even Linux. It appears that this segment of the "computing population"
> is a low margin segment. IBM simply
re:
http://www.garlic.com/~lynn/2016h.html#47 Why Can't You Buy z Mainframe
Services from Amazon Cloud Services?
http://www.garlic.com/~lynn/2016h.html#48 Why Can't You Buy z Mainframe
Services from Amazon Cloud Services?
http://www.garlic.com/~lynn/2016h.html#53 Why Can't You Buy z Mainframe
cvitu...@hughes.net (Carmen Vitullo) writes:
> Brings back some good memories - I enjoy reading your post, I seem to
> have forgotten more about my life at Boeing than I remember, short
> time, 11 years in Philly but I do recall the 4341 trail connected to
> some new state of the art 3390
allan.stal...@hcl.com (Allan Staller) writes:
> Big Iron is too expensive. Get Off!
> Migrate to VAX (many).
> Oops! Too many VAX's. Get Off
> Migrate to Amdahl! (Big Iron).
re:
http://www.garlic.com/~lynn/2016h.html#47 Why Can't You Buy z Mainframe
Services from Amazon Cloud Services?
note
cpvitu...@arkbluecross.com (Vitullo, Carmen P) writes:
> I found this out some time ago working for Boeing, even though we were
> one company, we still had to submit a budget each year for computing
> services, this drove Boeing Helicopters to look at alternatives,
> mostly the costs of CATIA and
g...@gabegold.com (Gabe Goldberg) writes:
> Though even z Systems can't provide actual temporal relocation, it's
> interesting to consider what advice mainframe professionals would give
> their younger selves if the opportunity existed. And veterans' wisdom
> applies to Generation Z. Best to
sipp...@sg.ibm.com (Timothy Sipples) writes:
> I strongly disagree with the word "all." I don't think that word in this
> sentence is grounded in a reasonable, rational, informed assessment of
> comparative risks and testing costs.
re:
http://manana.garlic.com/~lynn/2016f.html#91 ABO Automatic
sipp...@sg.ibm.com (Timothy Sipples) writes:
> No, not optimistic. Mere fact. Sun Microsystems made Java 1.0
> generally available for download on January 23, 1996, for the Windows
> 95, Windows NT, and Solaris operating systems (three different
> operating systems across two different processor
l...@garlic.com (Anne & Lynn Wheeler) writes:
> count of latency to memory (& cache miss), when measured in count of
> processor cycles is comparable to 60s latency to disk when measured in
> count of 60s processor cycles.
re:
http://www.garlic.com/~lynn/2016f.html#91 ABO
charl...@mcn.org (Charles Mills) writes:
> Why is that useful? Because the speed gains in the last several generations
> of mainframe are not in clock/cycle speed. System 370 object code does not
> run any faster on a z13 than on a z10. The gains are in new instructions.
> The same functionality
edgould1...@comcast.net (Edward Gould) writes:
> Brian:
> One of there specific episodes we had was that the master console was
> the only one that was “talking”. As to other options you listed the
> auditors cut them off years ago and no use arguing with them (BTDT).
> As for HMC remote access
This Day in History: 22Aug1955, The First Computer User Group Is Founded
http://www.computerhistory.org/tdih/August/22/
Following a Los Angeles symposium hosted by IBM, a group of
representatives from seventeen groups that had ordered the IBM 704
mainframe computer met at the RAND Corporation in
000248cce9f3-dmarc-requ...@listserv.ua.edu (Edward Finnell) writes:
> Which company had their primary in the South tower and the backup in the
> North tower?
re:
http://manana.garlic.com/~lynn/2016e.html#93 Delta Outage
the previous scenario
jesse1.robin...@sce.com (Jesse 1 Robinson) writes:
> Airlines are no longer 'heavily regulated'. They used to be. Telecom
> was deregulated. Banks were deregulated. There was more competition in
> all these industries when regulation was in place. The 'natural
> tendency' of any industry is to
jcew...@acm.org (Joel C. Ewing) writes:
> The plethora of links at the referenced URLs never even gave a direct
> answer to the question "Charlie Who".
>
> One of the paragraphs at the many sub-links at the given URLs refers to
> him as "Charlie S.", another as "Charlie Salisbury", so apparently
mike.lamart...@mcleansoft.com (Mike La Martina) writes:
> After reading the story of Compare and Swap for, lo, all these many years, I
> am sorry but I must ask.
>
> Charlie who?
aka Charlie's initials are CAS ... part of the effort was to choose
mnemonic (compare-and-swap) that were Charlie's
000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes:
> I'm trying to envision how to use WAIT/POST to do that since no
> more than one task can be WAITing on a given ECB. I vaguely recall
> long ago writing code that used a variant of a CS example in PoOps
> to manage a queue
john.archie.mck...@gmail.com (John McKown) writes:
> Thanks. I was thinking of the CPs used by user software. It's interesting
> that the I/O channels use a Power chip.
In 1988, I was asked to help LLNL standardize some serial stuff they had
... which quickly becomes the fibre channel standard
johnmattson...@gmail.com (John Mattson) writes:
> IBM made mistakes back in the 1980's and 1990's from which they may never
> really recover.
> 1) Doing away with the THINK motto. It seems about the time they did this
> is when many of them stopped thinking.
> 2) Stopped giving the systems almost
norman.hollan...@desertwiz.biz (Norman.Hollander) writes:
> Track size. We actually used to use a 2305 "drum" definition for VIO.
> But if you genned 1 dummy address, you had to gen all 8. Made for a
> larger IO-gen. So we would go for the next best tracksize of the
> 2314. So- how many 4K
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