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2021-09-17 Thread Anne & Lynn Wheeler
info ibm-main -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Re: Memory-Lane Monday: Documentation just takes up too much space | Computerworld

2020-03-21 Thread Anne & Lynn Wheeler
wdonze...@gmail.com (William Donzelli) writes: > Al "bitsavers" Kossow has a HUGE backlog of material to scan - > something like 25 pallets of stuff or something crazy like that - so > scanning and archiving, while constant, picks away at that pile > depending on which way the wind blows and who

Re: What is a mainframe?

2020-01-14 Thread Anne & Lynn Wheeler
z.sch...@gmail.com (z/OS scheduler) writes: > IMHO TCP/ip is part and parcel of this new "Open Source / Written by > Hackers" we are living in. > I cannot believe that C.C.I.T.T.would have recommended to IBM to make their > product more hack-able - unless Microsoft or SUN had big influence on >

Re: How many ways can one sentence be wrong dept

2020-01-13 Thread Anne & Lynn Wheeler
remember no real CKD devices have been made for decades ... all being simulated on industry standard fixed-block ... need a fair amount electronics and processing between the emulated CKD layer and the real fixed-block hardware (whether fixed-block spinning disks or fixed-block SSD). a lot of the

Re: Water-cooled 360s?

2019-12-13 Thread Anne & Lynn Wheeler
01f25da983e8-dmarc-requ...@listserv.ua.edu (Robert Longabaugh) writes: > I worked at a telco in the 1980s and the 3033, 3032, and 3033MP were water > cooled. There was a 3037 PCDU (Power/Cooling Distribution Unit). > > I think the 3031 was air cooled. during the Future System period

Re: MIPS chart for all IBM hardware model

2019-11-07 Thread Anne & Lynn Wheeler
gib...@wsu.edu (Gibney, Dave) writes: > Unfortunately, my search for Phil's tables ended here. > https://audifans.com/mirror/www.isham-research.co.uk/mips.html you are better with this from wayback machine ... 2016

Re: MIPS chart for all IBM hardware model

2019-11-07 Thread Anne & Lynn Wheeler
sme...@gmu.edu (Seymour J Metz) writes: > Of course, IBM does not claim that those numbers reflect a Meaningless > Indicator of Processor Speed (MIPS), but rather a well defined (LSPR > ITR) benchmark. Jim Gray was one of the primary behind people original SQL/RDBMS, System/R ... and then left

Re: Assembler :- PC Instruction

2019-08-29 Thread Anne & Lynn Wheeler
apoorva.kanm...@gmail.com (SUBSCRIBE IBM-MAIN Anonymous) writes: > I have a question on PC instruction for which I have been looking for > an answer for quite sometime now. According to "Priciples of > operations" manual, execution of an SVC instruction causes a new PSW > to be loaded from x'1C0'

Re: vendor distributes their private key

2019-08-27 Thread Anne & Lynn Wheeler
sme...@gmu.edu (Seymour J Metz) writes: > The proper way to provide encryption and non-repudiation is to have > two key pairs. You sign a message using your private key. People > wanting to send you encrypted data encrypt using your public key. So > if foo wants to send bar a signed encrypted

Re: Capital One Data Breach-100 Million Customers affected

2019-07-31 Thread Anne & Lynn Wheeler
jcew...@acm.org (Joel C. Ewing) writes: > And I noticed a reprinted Washington Post article in my local paper > today "Bank data stolen despite cloud push", which clearly indicates > bank management had the perception that  somehow removing data from > Capital One's direct physical control  to

Re: Fwd: Happy 50th Birthday CICS

2019-07-07 Thread Anne & Lynn Wheeler
marktre...@gmail.com (Mark Regan) writes: > https://it.toolbox.com/blogs/trevoreddolls/happy-50th-birthday-cics-070719 As an undergraduate, within a year after taking 2hr intro to computing/fortran (they had 709 tape->tape with 1401 unit record front-end ... manually moving tapes between 709

Re: mainframe hacking "success stories"?

2019-06-23 Thread Anne & Lynn Wheeler
dspiegel...@hotmail.com (David Spiegel) writes: > *HIPAA Summary of the HIPAA Security Rule https://www.hhs.gov/hipaa/for-professionals/security/laws-regulations/index.html after leaving ibm, did some amount of work with financial industry, including rep on standards committees ... as part of

Re: mainframe hacking "success stories"?

2019-06-18 Thread Anne & Lynn Wheeler
014ab5cdfb21-dmarc-requ...@listserv.ua.edu (Mike Wawiorko) writes: > Remember back in 1980 there was no sysplex. Each machine was a > stand-alone system with a single operating system - if we ignore VM > guests. > > There was a proliferation of 4341s, 4361s(?), 4381s and even a bit > later

Re: mainframe hacking "success stories"?

2019-05-14 Thread Anne & Lynn Wheeler
sme...@gmu.edu (Seymour J Metz) writes: > On the S/360 the Alternate CPU Recovery facility was limited to 65MP > (I don't know about 9020 or TSS/360.) On MVS it was a standard > facility, although on an AP or MP without Channel Set Switching losing > the processor with the I/O channels was fatal.

Re: mainframe hacking "success stories"?

2019-05-13 Thread Anne & Lynn Wheeler
john.archie.mck...@gmail.com (John McKown) writes: > Yes, we have had a TCM fail. I was almost called a liar when I told the > Windows people that the z simply switch the work transparently (on the > hardware level) to another CP. They were shocked and amazed that we could > "hot swap" a new TCM

Re: mainframe hacking "success stories"?

2019-05-12 Thread Anne & Lynn Wheeler
li...@akphs.com (Phil Smith III) writes: > https://en.wikipedia.org/wiki/Xeon_Phi > > Up to 72 cores per chip, so up to 144 threads per socket. On an > eight-socket motherboard, that's, um, a lot. they announced they are discontinue Phi

Re: mainframe hacking "success stories"?

2019-05-12 Thread Anne & Lynn Wheeler
0047540adefe-dmarc-requ...@listserv.ua.edu (Bill Johnson) writes: > Until the mid-1990s, mainframes provided the only acceptable meansof > handling the data processing requirements of a large business. These > requirementswere then (and are often now) based on running large and > complex

Re: mainframe hacking "success stories"?

2019-05-12 Thread Anne & Lynn Wheeler
0047540adefe-dmarc-requ...@listserv.ua.edu (Bill Johnson) writes: > Right, my articles are flawed. Yet, real mainframe hacks can be > counted on one hand. And many of those are hypothetical or were > achieved via someone hacking a laptop (MSFT) or acquiring a valid > userid because of

Re: mainframe hacking "success stories"?

2019-05-12 Thread Anne & Lynn Wheeler
charl...@mcn.org (Charles Mills) writes: > The mainframe seems to me to have also some "architectural" > advantages. It seems to support a denser "clustering." It does not > seem to me that there is anything in the Windows/Linux world that > duplicates the advantages of 100 or so

Re: mainframe hacking "success stories"?

2019-05-10 Thread Anne & Lynn Wheeler
l...@garlic.com (Anne & Lynn Wheeler) writes: > Later two of the Oracle people in the Ellison meeting have left and are > at a small client/server startup responsible for something called > "commerce server" and we are brought in as consultants because they want >

Re: mainframe hacking "success stories"?

2019-05-09 Thread Anne & Lynn Wheeler
Before 370 virtual memory was announced, a copy of internal document leaked to industry magazine. There was then a "Pentagon Papers" like investigation to find the leaker. Also all company copiers were retrofitted that placed a machine identification on all copied pages. Then for the "Future

Re: mainframe hacking "success stories"?

2019-05-08 Thread Anne & Lynn Wheeler
one of the biggest problems doing the (non-SNA) internal network around the world was when (encrypted) links crossed national boundaries ... lots of push back from numerous countries around the world (even tho all these links were between purely corporate locations). other trivia: at big cutover

Re: mainframe hacking "success stories"?

2019-05-08 Thread Anne & Lynn Wheeler
sipp...@sg.ibm.com (Timothy Sipples) writes: > Together we sketched a picture of all this on a whiteboard so I could > understand what they had done. After we drew the picture, I asked this > simple question: "Is this secure?" After a very little bit of side > discussion, very quickly, they did

Re: S/360

2019-04-15 Thread Anne & Lynn Wheeler
t...@tombrennansoftware.com (Tom Brennan) writes: > This reminds me of my first (junk pile) floppy disk drive back in the > 1970's for my home-made computer. I had little money so I made my own > controller out of a dozen chips and wrote some 8080 code to handle the > I/O. So the format of the

Re: S/360

2019-04-11 Thread Anne & Lynn Wheeler
wmhbl...@comcast.net (WILLIAM H BLAIR) writes: > Donald Ludlow WAS indeed the principal author > of OS/360 IOS. In fact, he wrote ALL of the > code that actually survived and was shipped. > There was another gentleman who CLAIMED to be > the "author" of IOS (whom I knew personally), > but

Re: S/360

2019-04-11 Thread Anne & Lynn Wheeler
li...@akphs.com (Phil Smith III) writes: > And I'm 99.9% sure that DASD capacity was determined by building the > geometry and then trying various densities until error rates became > unacceptable, then backing off slightly. Which would explain the > weird, random sizes with each generation (until

Re: instruction clock speed

2019-03-07 Thread Anne & Lynn Wheeler
if you want to look at other various ... Jan1979, I was con'ed into doing benchmarks on engineering 4341 for national lab that was looking at getting seventy for a compute farm (sort of leading edge of coming cluster supercomputing tsunami). in the wake of Future System failure, the was mad rush

Re: instruction clock speed

2019-03-07 Thread Anne & Lynn Wheeler
charl...@mcn.org (Charles Mills) writes: > It is not possible now. A single instruction may literally add no time at > all to some instruction sequence. > > My imperfect model is that main storage is the new disk. Figure that > instructions take no time at all and memory accesses take forever. I

Re: Unreadable code

2019-01-18 Thread Anne & Lynn Wheeler
000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes: > Intriguing. Seems to be specifying redirection. Pointless for CMS or TSO > since the concept of standard input/standard output is alien to each. > Relevant, > of course, to OMVS, but OMVS was unable to exert much

Re: Where's the fire? | Computerworld Shark Tank

2019-01-17 Thread Anne & Lynn Wheeler
sme...@gmu.edu (Seymour J Metz) writes: > The 370/168 had UP models ranging from 1 MiB to 8 MiB. Double that for MP. > > The Amdahl 470V/6 was available in 1 MiB through 8 MiB. > > Maybe so, but Amdahl started shipping the 470V/6 in 1975 with 4 MB of > memory standard, and I'm pretty sure that the

Re: Network names

2019-01-04 Thread Anne & Lynn Wheeler
sme...@gmu.edu (Seymour J Metz) writes: > I would have loved to see an enhanced SNA with internetworking and > DNS, but when CCITT refused to look at it, that wasn't an option. > > If the major TCP-based protocols at least switched to SCTP, that would > be an improvement. re:

Re: Fwd: It's Official: Open-Plan Offices Are Now the Dumbest Management Fad of All Time | Inc.com

2019-01-03 Thread Anne & Lynn Wheeler
marktre...@gmail.com (Mark Regan) writes: > For those of you who find yourselves in this type of working environment. > > https://www.inc.com/geoffrey-james/its-official-open-plan-offices-are-now-dumbest-management-fad-of-all-time.html > > Mark T. Regan, K8MTR > CTO1, USNR-Retired > 1969-1991

Re: Network names

2019-01-02 Thread Anne & Lynn Wheeler
sme...@gmu.edu (Seymour J Metz) writes: > Well, at one time I expected > https://en.wikipedia.org/wiki/Government_Open_Systems_Interconnection_Profile > (GOSIP) to displace SNA, but the Feds went TCP/IP despite the mandate > and that was all she wrote. Part of GOSIP was mandate to eliminate

Re: Jean Sammet — Designer of COBOL – A Computer of One’s Own – Medium

2018-12-05 Thread Anne & Lynn Wheeler
john.archie.mck...@gmail.com (John McKown) writes: > https://medium.com/a-computer-of-ones-own/jean-sammet-designer-of-cobol-77c6d794365c Sammet wiki https://en.wikipedia.org/wiki/Jean_E._Sammet more https://history.computer.org/pioneers/sammet.html and

Re: IBM Z and cloud

2018-10-01 Thread Anne & Lynn Wheeler
sipp...@sg.ibm.com (Timothy Sipples) writes: > z/OS is UNIX(TM), certified by The Open Group and a trademark > bearer. Linux is not UNIX, as it happens. Apple's macOS is UNIX, while > iOS, tvOS, and watchOS are not. AIX is UNIX. The modern BSD family > operating systems derived from "Networking

Re: IBM Z and cloud

2018-10-01 Thread Anne & Lynn Wheeler
sme...@gmu.edu (Seymour J Metz) writes: > cloud = timesharing > > Someone else deploys the infrastructure, to you it's a black box. Less > control but also less manpower. Some legal issues. > > No, z/OS is not a cloud, but neither is AIX, *bsd, Linux, windows or > Solaris; it's the deployment that

Re: Updated Green Card

2018-07-29 Thread Anne & Lynn Wheeler
internally, somebody did a online "green card" ... using CMS IOS3270. I provided person with section from the 360/67 "blue card" which included device sense information. More recently I did a Q conversion from IOS3270 to HTML http://.garlic.com/~lynn/gcard.html some trivia drift: image of

Re: Walt Doherty - RIP

2018-05-25 Thread Anne & Lynn Wheeler
g...@gabegold.com (Gabe Goldberg) writes: > https://jlelliotton.blogspot.com/p/the-economic-value-of-rapid-response.html Yorktown research also did study of what was minimum human response threshold perception (somewhat skewed population, members of YKT research) ... and it varied for different

Re: z/VM Live Guest Relocation

2018-05-06 Thread Anne & Lynn Wheeler
re: http://www.garlic.com/~lynn/2018c.html#77 z/VM Live Guest Relocation http://www.garlic.com/~lynn/2018c.html#78 z/VM Live Guest Relocation http://www.garlic.com/~lynn/2018c.html#79 z/VM Live Guest Relocation http://www.garlic.com/~lynn/2018c.html#80 z/VM Live Guest Relocation some other trivia

Re: z/VM Live Guest Relocation

2018-05-01 Thread Anne & Lynn Wheeler
re: http://www.garlic.com/~lynn/2018c.html#77 z/VM Live Guest Relocation http://www.garlic.com/~lynn/2018c.html#78 z/VM Live Guest Relocation http://www.garlic.com/~lynn/2018c.html#79 z/VM Live Guest Relocation note that US consolidated HONE (branch office sales support) systems running SSI in

Re: z/VM Live Guest Relocation

2018-04-30 Thread Anne & Lynn Wheeler
dcrayf...@gmail.com (David Crayford) writes: > Great story. You should add some content to the Wikipedia page > https://en.wikipedia.org/wiki/Live_migration. re: http://www.garlic.com/~lynn/2018c.html#77 z/VM Live Guest Relocation http://www.garlic.com/~lynn/2018c.html#78 z/VM Live Guest

Re: z/VM Live Guest Relocation

2018-04-30 Thread Anne & Lynn Wheeler
re: http://www.garlic.com/~lynn/2018c.html#77 z/VM Live Guest Relocation Other CP/67 7x24 trivia. Initially moving to 7x24 was some amount of chicken & egg. This was back in the days when machines were rented that IBM charged based on the system "meter" ... that ran when ever the cpu and/or any

Re: z/VM Live Guest Relocation

2018-04-29 Thread Anne & Lynn Wheeler
dcrayf...@gmail.com (David Crayford) writes: > PowerVM had live migration in 2007 [1]. VMware released VMotion in > 2003 [2] so I guest the trailblazer was VMware. > > [1] https://en.wikipedia.org/wiki/Live_Partition_Mobility > [2] https://en.wikipedia.org/wiki/VMware the internal world-wide

Re: IRS - 60-Year-Old IT System Failed on Tax Day Due to New Hardware (nextgov.com)

2018-04-24 Thread Anne & Lynn Wheeler
frank.swarbr...@outlook.com (Frank Swarbrick) writes: > Here's a somewhat interesting document: > https://www.irs.gov/pub/irs-pia/imf_pia.pdf. > "IMF is a batch driven application that uses VSAM files." > Date of Approval: February 28, 2017 PIA ID Number: 2140 A >

Re: The IRS Really Needs Some New Computers

2018-04-19 Thread Anne & Lynn Wheeler
sipp...@sg.ibm.com (Timothy Sipples) writes: > Then PARS -> ACP -> ACP/TPF -> TPF -> TPF/ESA -> z/TPF (IBM supported > today). PARS definitely made it onto System/360, probably from 1965 with > the first machines. However, there were at least three PARS customers that > started on IBM 70xx

Re: The IRS Really Needs Some New Computers

2018-04-17 Thread Anne & Lynn Wheeler
li...@akphs.com (Phil Smith III) writes: > "Plans to replace the IMF with a twenty-first-century equivalent known as > CADE (Customer Account Data Engine) have faltered. The transition is now > well behind schedule. As a consequence, the likelihood of a catastrophic > computer failure during tax

Re: Slashdot: Business under-investing in I.T.

2018-04-09 Thread Anne & Lynn Wheeler
poodles...@sbcglobal.net (Dan @ Poodles) writes: > It's simple business economics - i.e., cost center vs profit center. > Businesses will always invest in revenue generating first above all > else. big cloud megadatacenters (hundreds of thousands of systems, millions of processors) had been

Re: Software Delivery on Tape to be Discontinued

2018-04-06 Thread Anne & Lynn Wheeler
llo...@gmail.com (Lou Losee) writes: > Yes you are correct that you have to initiate your trust somewhere. The > paradigm is that you trust the vendor that delivers the CA certificates to > you (e.g., Mozilla, Microsoft, IBM, etc.) > Hand delivering keys defeats the purpose of using certificates.

Re: Software Delivery on Tape to be Discontinued

2018-04-03 Thread Anne & Lynn Wheeler
l...@garlic.com (Anne & Lynn Wheeler) writes: > also from bitsavers: > http://www.bitsavers.org/pdf/amdahl/datapro/70C-044-01_7709_Amdahl_470.pdf re: http://www.garlic.com/~lynn/2018c.html#27 Software Delivery on Tape to be Discontinued other trivia ... from 470.pdf article

Re: Software Delivery on Tape to be Discontinued

2018-04-03 Thread Anne & Lynn Wheeler
000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes: > I don't understand digital signatures beyond what I just read in: > https://en.wikipedia.org/wiki/Digital_signature > > ... Digital signatures are equivalent to traditional handwritten > signatures > in many

Re: Software Delivery on Tape to be Discontinued

2018-04-03 Thread Anne & Lynn Wheeler
000a2a8c2020-dmarc-requ...@listserv.ua.edu (Tom Marchant) writes: > I'm pretty sure that the 470/6 was never shipped. The way I heard it was that > work on the 470/V started very soon after the introduction of virtual memory > on 370 machines and the announcement of OS/VS1 and OS/VS2. OS/VS1

Re: VS History

2018-04-03 Thread Anne & Lynn Wheeler
john.archie.mck...@gmail.com (John McKown) writes: > ​Not exactly correct. OS/VS1 was a single large address space. That one > address space was divided up into a _fixed_ number of _fixed sized_ > partitions (not regions). That is, if you had a step which required, say, > 128M to run, you had to

Re: Graph database on z/OS?

2018-03-27 Thread Anne & Lynn Wheeler
re: http://www.garlic.com/~lynn/2018c.html#9 Graph database on z/OS? http://www.garlic.com/~lynn/2018c.html#10 Graph database on z/OS? some old "graph", much earlier I had been involved in original sql/relational implementation, System/R ... some past posts

Re: Graph database on z/OS?

2018-03-27 Thread Anne & Lynn Wheeler
rob.schr...@gmail.com (Rob Schramm) writes: > Seems like there is a drift about security and walls.. interesting article > I found about walls when reading Cryptograms... > > https://warontherocks.com/2018/02/wall-wall-fortresses-fail/ re: http://www.garlic.com/~lynn/2018c.html#9 Graph database

Re: Graph database on z/OS?

2018-03-27 Thread Anne & Lynn Wheeler
dcrayf...@gmail.com (David Crayford) writes: > I think the general ROT for those kind of systems is that the network > defines security. All back-end services should be hidden behind > firewalls and not accessible to the outside world. It's a different > world these days where everything seems to

Re: Didn't we have this some time ago on some SLED disks? Multi-actuator

2018-03-22 Thread Anne & Lynn Wheeler
john.archie.mck...@gmail.com (John McKown) writes: > https://www.theregister.co.uk/2017/12/19/seagate_disk_drive_multi_actuator/ latest from yesterday ... Seagate's HAMR to drop in 2020: Multi-actuator disk drives on the way Fast and slow high-cap disk lines coming

Re: AW: mainframe distribution

2018-03-19 Thread Anne & Lynn Wheeler
m...@beer.at (Mike Beer) writes: > https://www-03.ibm.com/systems/z/os/zvse/about/history1970s.html Endicott told me there was 6kbytes available for assist microcode ... I was to identify the highest used code paths in the vm370 kernel for replication in microcode. (standard 370 kernel

Re: CKD details

2018-01-25 Thread Anne & Lynn Wheeler
sme...@gmu.edu (Seymour J Metz) writes: > The 3330 was not the first disk drive with Set Sector; that honor > belongs to the 2305, formally part of the S/360 series rather than the > S/370, although I imagine that a lot more were sold for use on, e.g., > 370/165, than for 85 or 195. re:

Re: CKD details

2018-01-24 Thread Anne & Lynn Wheeler
sme...@gmu.edu (Seymour J Metz) writes: > The 3330 was not the first disk drive with Set Sector; that honor > belongs to the 2305, formally part of the S/360 series rather than the > S/370, although I imagine that a lot more were sold for use on, e.g., > 370/165, than for 85 or 195. re:

Re: CKD details

2018-01-23 Thread Anne & Lynn Wheeler
sme...@gmu.edu (Seymour J Metz) writes: > The 3330 was not the first disk drive with Set Sector; that honor > belongs to the 2305, formally part of the S/360 series rather than the > S/370, although I imagine that a lot more were sold for use on, e.g., > 370/165, than for 85 or 195. re:

Re: CKD details

2018-01-23 Thread Anne & Lynn Wheeler
t...@harminc.net (Tony Harminc) writes: > I assume it is the value used in the Set Sector/Read Sector CCWs. This > came with the 3330 (real "analogue" disk) and is part of Rotational > Position Sensing (RPS). It should have no logical relationship to the > cell size; it's just a logical position

Re: CKD details

2018-01-23 Thread Anne & Lynn Wheeler
cblaic...@syncsort.com (Christopher Y. Blaicher) writes: > Your right, things are a little confusing. > SECTORS - Think of it as 224 pieces of pie. It is, I believe, physical. > CELL - Also physical, but I think of them as little chunks of data, > which may be your data or control data for the

Re: VSAM usage for ancient disk models

2018-01-17 Thread Anne & Lynn Wheeler
mitchd...@gmail.com (Dana Mitchell) writes: > Current (for us 2.1) z/OS HCD still shows 3375 as a valid DASD device > type. IIRC 3375 was emulated CKD on FBA 3370 HDA's. I also think > 3375s were used as the storage for the embedded 43X1's used as > processor controllers on 3090s. re:

Re: VSAM usage for ancient disk models

2018-01-16 Thread Anne & Lynn Wheeler
00ac4b1d56b3-dmarc-requ...@listserv.ua.edu (David Purdy) writes: > I honestly cannot remember MVS *EVER* supporting 3375’s DOS/VSE and VM > AFAIK are the only OS’s. Can someone correct me please ? large corporations started ordering hundreds of vm/4300s at a time for placing out in

Re: AW: Re: Number of Cylinders per Volume

2018-01-14 Thread Anne & Lynn Wheeler
000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes: > Solaris has somthing of the sort. I've occasionally got "File is temporarily > unavailable." > Fifteen seconds later it opens. > > IBM is just behind the curve. isn't that part of what ADSM/TSM is suppose to do

Re: Can anyone remember "drum" storage?

2017-12-22 Thread Anne & Lynn Wheeler
000a2a8c2020-dmarc-requ...@listserv.ua.edu (Tom Marchant) writes: > The 3850 was much larger. When I was an Amdahl SE, one of > my accounts had one. It was probably 20 feet long, maybe > more. My impression was that it was a much improved version > of the 2321. re:

Re: Can anyone remember "drum" storage?

2017-12-20 Thread Anne & Lynn Wheeler
jcew...@acm.org (Joel C. Ewing) writes: > Clearly from the picture the Seagate really is like the 3380/3390 > solution.  Two completely independent actuators giving the appearance of > two drives in one unit with a shared drive shaft and motor.  The > doubling of throughput is ONLY because you

Re: Can anyone remember "drum" storage?

2017-12-20 Thread Anne & Lynn Wheeler
cvitu...@hughes.net (Carmen Vitullo) writes: > I remember DRUM storage, just never worked with it, the only other > DRUM storage I saw was at a tour at a data center somewhere in Jersey, > my BIL worked there, did some work with NYSE I believe, and they were > mostly all Univac or PDP systems and

Re: CMS style XMITMSG for Unix and other platforms

2017-12-19 Thread Anne & Lynn Wheeler
edgould1...@comcast.net (Edward Gould) writes: > Thanks for reminding me to ask a question that I have never gotten IBM > to answer. Whenever I have ordered TCP/IP I have always had to order > PASCAL runtime library. Since we have lost SE’s and salesmen are now > non existent. There is no one left

Re: CMS style XMITMSG for Unix and other platforms

2017-12-18 Thread Anne & Lynn Wheeler
sme...@gmu.edu (Seymour J Metz) writes: > Back in the Paleolithic era IBM ported VMPC to MVS for use by > TCP/IP. The Pascal stack has been dead for lo these many years. Is it > conceivable that the VMCF port is still present in z/OS V2? I've periodically commented about how how the communication

Re: CMS style XMITMSG for Unix and other platforms

2017-12-18 Thread Anne & Lynn Wheeler
peter.far...@broadridge.com (Farley, Peter x23353) writes: > I may not get to try your XMITMSG tool for a while due to other > commitments, but the VM facility I miss the most is the SMSG / WAKEUP > SMSG facility that permits "server" VM's to run and respond to remote > requests from "users". In

Re: Bad History

2017-12-16 Thread Anne & Lynn Wheeler
john.archie.mck...@gmail.com (John McKown) writes: > ​Not as I was told. U.S. Government said, basically, you can only bid a > POSIX compliant (and branded?) system for any I.T. purchase. To keep their > business, IBM grafted OpenEdition (original name) onto MVS. As time goes > on, it does get a

Re: Bad History

2017-12-16 Thread Anne & Lynn Wheeler
000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes: > I imagine: > > RFE: We want UNIX. > > IBM: Be more specific. > > Both: (After much deliberation) Single UNIX specification. > > And so it went. There's no formal specification of GNU Linux. > > Sigh. some of the CTSS (IBM

Re: Converting programs to accommodate 8-character userids and prefixes

2017-12-15 Thread Anne & Lynn Wheeler
john.archie.mck...@gmail.com (John McKown) writes: > ​TSO seems to be about as important to IBM as VSPC was. > https://en.wikipedia.org/wiki/Virtual_Storage_Personal_Computing​ VSPC was to be low-end non-vm370/cms online. They had a performance "model" which predicted benchmark performance ...

Re: IBM does what IBM does best: Raises the chopper again

2017-11-29 Thread Anne & Lynn Wheeler
edgould1...@comcast.net (Edward Gould) writes: > The latest buzz word is education on the computer. IBM tried that 40 > years ago and it was an abysmal failure. Pretty soon they are going to > make a pizza making MF. Now, how do you deliver a 20 ton computer > with a flat top to a neighborhood

Re: Db2! was: NODE.js for z/OS

2017-10-31 Thread Anne & Lynn Wheeler
edgould1...@comcast.net (Edward Gould) writes: > Way back in the 1980’s we had just gotten in a 4331 for testing. I was > given a list of software to order and DL/1 was there but for DOS/VSE. > Was it ever available on MVS? > My memory is starting to ooze here, but wasn’t there a DB for VM as well

Re: Db2! was: NODE.js for z/OS

2017-10-31 Thread Anne & Lynn Wheeler
k...@ntrs.com (Karl S Huf) writes: > Yes, IBM officially rebranded DB2 to Db2 because . . . that's what they > do (apologies to GEICO). At least it's still pronounced the same so > that's at least one less question I have to field - unlike, say JES2 vs > JES3 ("Hey Karl, are we every going to

Re: Db2! was: NODE.js for z/OS

2017-10-31 Thread Anne & Lynn Wheeler
jesse1.robin...@sce.com (Jesse 1 Robinson) writes: > The name change was much bandied about at SHARE in Providence. I for > one have gotten over my indignation and am ready to move on. If you > really want to be offended by an assault on the sensibilities, how > about the fact that there never was

Re: IBM open sources it's JVM and JIT code

2017-10-24 Thread Anne & Lynn Wheeler
t...@harminc.net (Tony Harminc) writes: > One can certainly write a Rexx interpreter (or compiler, for that matter), > and run it under TSO and/or ISPF; in that sense it *tolerates* those > environments. But for reasons known only to IBM, the interfaces needed to > implement *integration* with the

Re: Blockchain on Mainframe ?

2017-10-24 Thread Anne & Lynn Wheeler
copied from social media IBM group Blockchain mining using GPU (graphics) chips that have huge number of internal processors https://hothardware.com/news/amd-radeon-rx-vega-mining-block-chain-ethereum and xeon crypto (xeon are processor chips used in e5-2600 and other blades) ... benchmark

Re: Somewhat Interesting Mainframe Article

2017-10-15 Thread Anne & Lynn Wheeler
billwil...@hotmail.com (Bill Wilkie) writes: > But the biggest BOONDOGGLE of all times, was what management spent a > few million on and that was Four Quadrant Leadership. If discussed > something with another person and YOU made the change you were > operating from Quadrant 1. If you discussed it

Re: git, z/OS and COBOL

2017-10-11 Thread Anne & Lynn Wheeler
000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes: > I have not used IEBUPDTE extensively. When I contributed to > Charlotte, I made more use of CMS UPDATE, which is similar to > IEBUPDTE, but with further features useful for source code control. > XEDIT can generate CMS

Re: Here's a horrifying thought for all you management types....

2017-10-06 Thread Anne & Lynn Wheeler
cfmpub...@ns.sympatico.ca (Clark Morris) writes: > While the last systems programming job I did was 27 years ago and I > wouldn't know how to safely power on and IPL a system today (3081s > didn't have LPARs let alone HMCs) that is ridiculous. At least I know > how to play with SMF 30 records in

Re: Interesting article in IEEE Annals of the History of Computing

2017-10-05 Thread Anne & Lynn Wheeler
dbo...@sinenomine.net (David Boyes) writes: > IBM Branch Offices: What They Were, How They Worked, 1920s–1980s > > James W. Cortada > > Abstract: > IBM branch offices were the company’s local face around the world in > the 20th century. Its sales and customer support came out of these >

Re: Temporary Data Sets

2017-10-04 Thread Anne & Lynn Wheeler
000248cce9f3-dmarc-requ...@listserv.ua.edu (Edward Finnell) writes: > For decades MVS has honored the concept of public, Storage and private > DASD. Numerous SHARE papers on how to configure DASD subsystems in > order to reduce contention and optimize thruput. WSC under Ray Wicks > produced

Re: Would encryption have prevented known major breaches?

2017-09-15 Thread Anne & Lynn Wheeler
we were somewhat involved in (original) cal. data breach notification act ... having been brought in to help wordsmith the electronic signature act and several of the players were heavily involved in privacy ... and had done in depth public surveys and #1 was fraudulent financial transactions

Re: z14 and zBX

2017-08-27 Thread Anne & Lynn Wheeler
l...@garlic.com (Anne & Lynn Wheeler) writes: > Old email about doing CP (vm370) internals class and > meetings with NSF about connecting NSF supercomputer centers > http://www.garlic.com/~lynn/2011h.html#email850930 > http://www.garlic.com/~lynn/2011h.html#email851114 > ht

Re: z14 and zBX

2017-08-27 Thread Anne & Lynn Wheeler
edja...@phoenixsoftware.com (Ed Jaffe) writes: > On 8/22/2017 4:27 AM, R.S. wrote: >> >> The above is some simplification, however I heard A LOT OF zBX, saw >> a lot of presentations, and  IBMers never ever convinced me the zBX >> is something more than LAN-attached rack. > > zBX was a mistake.

Re: In Silicon Valley, dropping in at the GooglePlex, tech museums and the Jobs garage

2017-07-18 Thread Anne & Lynn Wheeler
g...@gabegold.com (Gabe Goldberg) writes: > So when Southwest Airlines started offering daily nonstops from > Baltimore-Washington International Marshall Airport to San Jose, I > booked a trip with my husband, Eric. After an affordable > transcontinental flight, we landed at Mineta San Jose

Re: z/VM subcapacity pricing

2017-07-17 Thread Anne & Lynn Wheeler
gib...@wsu.edu (Gibney, Dave) writes: > As an aside, I spent several years with a uni-processor (z800). There > are significant benefits to having at least 2 processors. The benefits > of fewer/faster processors go hockey stick when fewer becomes 1. I remember in the 90s when they complained NT

Re: IBM z14 High-lights

2017-07-17 Thread Anne & Lynn Wheeler
parwez_ha...@hotmail.com (Parwez Hamid) writes: > z14 Key H/W high-lights: > > Up to 170 Customer PUs @ 5.2 GHz each on a 14 nm 10 core chip > Up to 32 TB Memory > Uni = 1832 'mips', 170-way = 146462 'mips' z900, 16 processors, 2.5BIPS (156MIPS/proc), Dec2000 z990, 32 processors, 9BIPS,

Re: Running unsupported is dangerous was Re: AW: Re: LE strikes again

2017-07-15 Thread Anne & Lynn Wheeler
charl...@mcn.org (Charles Mills) writes: > DoS of course = denial of service, which is a large basket. I think it > sometimes means any sort of "bring the system down or make it > ineffective" attack, but usually I think it refers to repeatedly > starting a TCP session and not completing it so as

Re: Running unsupported is dangerous was Re: AW: Re: LE strikes again

2017-07-15 Thread Anne & Lynn Wheeler
idfli...@gmail.com (scott Ford) writes: > As a vendor i have been receiving questions about DoS attacks on z/OS .. > I understand the idea / concept of perimeter defense , i was a Network > Engineer in a pass life. > But from a application point of view, if the application is using AT/TLS > and

Re: Running unsupported is dangerous was Re: AW: Re: LE strikes again

2017-07-12 Thread Anne & Lynn Wheeler
000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes: > 8x11mm Minox camera? I suppose physical security can interdict that. > https://en.wikipedia.org/wiki/Minox#Technical_details_of_Minox_8.C3.9711_cameras re: http://www.garlic.com/~lynn/2017g.html#74 Running unsupported is

Re: Running unsupported is dangerous was Re: AW: Re: LE strikes again

2017-07-12 Thread Anne & Lynn Wheeler
charl...@mcn.org (Charles Mills) writes: > Frankly, in the beginnings of computing, including in DOS and OS/360, > there was often an assumption that all users -- at least all "real" > (TSO and development, as opposed to CICS or application) users -- were > trusted. There was a lot of your gun,

Re: Windows 10 Pro automatic update

2017-06-27 Thread Anne & Lynn Wheeler
000433f07816-dmarc-requ...@listserv.ua.edu (Paul Gilmartin) writes: > I see the history differently. This is conjectural, but I believe > that UNIX had at least the user/group/others file protection facility > at a time when OS/360 had only the primitive data set passwords. I > recall,

Re: Eliminating the systems programmer was Re: IBM cuts contractor bil ling by 15 percent (our else)

2017-06-23 Thread Anne & Lynn Wheeler
john.archie.mck...@gmail.com (John McKown) writes: > ​I remember from my first jobs, about 1979, DP (the name back then) was > looking at some mini-computer for the police department (City of > Ft. Worth, TX). The sales person showed us the equipment. And said > that all software maintenance was

Re: Eliminating the systems programmer was Re: IBM cuts contractor bil ling by 15 percent (our else)

2017-06-23 Thread Anne & Lynn Wheeler
esst...@juno.com (esst...@juno.com) writes: > "supplying the entire OS on a chip" > > I heard a similar statement delivered by the Late Great Bob Yelevich > in the early 1990s. He suggested that CICS would be delivered on a > Board, or possibly a component/domain would be delivered on a board. >

Re: Eliminating the systems programmer was Re: IBM cuts contractor billing by 15 percent (our else)

2017-06-22 Thread Anne & Lynn Wheeler
cfmpub...@ns.sympatico.ca (Clark Morris) writes: > If the goal was to eliminate the need for highly technical people who > understand the platform and the tradeoffs, that is a futile goal for > any operating system. If the goal is to eliminate the need for > assembler coded exits, this is more

Re: Nice article about MF and Government

2017-06-10 Thread Anne & Lynn Wheeler
g...@gabegold.com (Gabe Goldberg) writes: > But I've profiled a couple gov agencies technology and I read > http://www.govtech.com/ -- which highlights mostly good news (many > interesting/innovative projects highlighted), though they also sure > cover disasters and project failures. And half the

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