Re: Mainframe Limericks...

2006-06-24 Thread Anne & Lynn Wheeler
Joe Morris wrote: Anne & Lynn Wheeler <[EMAIL PROTECTED]> writes: os/360 ... pcp. i don't remember that you could "sysgen" mvt until release 12. That agrees with my recollections. And one other event at release 12 was that the sources were all resequenced...which w

Re: Old Hashing Routine

2006-06-23 Thread Anne &amp; Lynn Wheeler
Shmuel Metz , Seymour J. wrote: Indeed, but they forgot the need to adjust address constants and variables when moving things around. They should have given the software types more say in the design. os/360 relocatable address constants are a real pain. tss/360 (the "real" operating system tha

Re: Mainframe Limericks...

2006-06-23 Thread Anne &amp; Lynn Wheeler
[EMAIL PROTECTED] wrote: UNIX was officially named in 1970. MVS was released in 1974. However MVS was preceded by MVT which was released in 1964. os/360 ... pcp. i don't remember that you could "sysgen" mvt until release 12. boeing huntsville had custom modified mvt version 13 with virtual

Re: Old Hashing Routine

2006-06-23 Thread Anne &amp; Lynn Wheeler
Shmuel Metz , Seymour J. wrote: I don't know, but it certainly shocked me, given that there were already machines with a million words of memory. It didn't take a crystal ball to forsee growing memory demand. I wouldn't call that the biggest mistake, however. When the S/360 came out virtually al

Re: Mainframe Limericks...

2006-06-23 Thread Anne &amp; Lynn Wheeler
Shmuel Metz , Seymour J. wrote: What did they use for a test machine before the 3081 was available? There was a micro-order on the 3168 that was highly suggestive. re: http://www.garlic.com/~lynn/2006m.html#25 Mainframe Limericks refers to posting http://www.garlic.com/~lynn/2006m.html#21 The

Re: Mainframe Limericks...

2006-06-23 Thread Anne &amp; Lynn Wheeler
Hunkeler Peter , KIUB 34 wrote: Depends on what "release" and corresponding name you talk about. If you go the the roots, both OSs were born in the mid 60s: OS/360 came out in 1964. MULTICS came out around 1965, which then became UNICS, then UNIX. multics started about then. lots of early 545

Re: Track capacity?

2006-06-17 Thread Anne &amp; Lynn Wheeler
James F Smith wrote: That doesn't look right, but please consider my bad memory. But wasn't the track capacity for a 3380 - 47476??? you are talking about the largest formated record w/o key. if you look at the calculation, a keyless record required adding 12 bytes and rounded up to multiple

Re: Mainframe Linux Mythbusting (Was: Using Java in batch on z/OS?)

2006-06-16 Thread Anne &amp; Lynn Wheeler
Tom Schmidt wrote: > Read a little about John Nagle's observations on network performance here: > > http://www.port80software.com/200ok/archive/2005/01/31/317.aspx > > That particular link hyperlinks to a Microsoft page that gives you a clue > how to change your registery settings to alter th

Re: Track capacity?

2006-06-16 Thread Anne &amp; Lynn Wheeler
Charles Mills wrote: > "all disks since dinosaurs roamed the Earth." Heck, it's got the 2311 and > 2305. (That should be enough start up another one of those darned mainframe > nostalgia threads.) i've done q&d conversion of the old gcard ios3270 to html. http://www.garlic.com/~lynn/gcard.html it

Re: Mainframe Linux Mythbusting (Was: Using Java in batch on z/OS?)

2006-06-12 Thread Anne &amp; Lynn Wheeler
Ted MacNEIL wrote: NOT in this case! The packets are dropped! They are not re-sent and the app is blown off the air. It works under SNA; it bellies up under TCP/IP. Every time! Repeatable! there were some amount of dirty tricks ... not all that can be repeated in polite company. with respect

Re: Mainframe Linux Mythbusting (Was: Using Java in batch on z/OS?)

2006-06-12 Thread Anne &amp; Lynn Wheeler
Ed Gould wrote: I don't think SNA has anything like a DNS (warning my info is old). The last time I did a 3745 gen you had to hardcode a lot of subareas. Although I do think they have updated it since then (hope so anyway). There were some route tables that could get hairy. I had access to the

Re: Mainframe Linux Mythbusting (Was: Using Java in batch on z/OS?)

2006-06-12 Thread Anne &amp; Lynn Wheeler
Paul Gilmartin wrote: Can you envision running the Internet on SNA? o 8-character flat namespace? o No DNS? Or am I mistaking attributes of VTAM for SNA? (But still, where's SNA's DNS?) SNA isn't networking ... at least in the sense used by most of the rest of the world. SNA is quite good

Re: One or two CPUs - the pros & cons

2006-06-10 Thread Anne &amp; Lynn Wheeler
Gerhard Adam wrote: > What are you losing? It isn't as if these processors are off playing > solitaire. They're paying the cost of communication to allow more > simultaneous operations for YOUR workload. The primary benefit of this > approach is to reduce the queueing impacts of multiple units o

Re: Token-ring vs Ethernet - 10 years later

2006-06-09 Thread Anne &amp; Lynn Wheeler
Anne & Lynn Wheeler wrote: as more environments changed from terminal emulation paradigm to client/server paradigm ... you were starting to have server asymmetric bandwidth requirements with individual (server) adapter card thruput equivalent to aggregate lan thruput ... i.e. servers neede

Re: Google Architecture

2006-06-09 Thread Anne &amp; Lynn Wheeler
oh and late breaking topic drift: Bank admits flaws in chip and PIN security http://www.dailymail.co.uk/pages/live/articles/news/news.html?in_article_id=385811&in_page_id=1770 Millions at risk from chip and Pin http://www.thisismoney.co.uk/saving-and-banking/article.html?in_article_id=409616&in_p

Re: Token-ring vs Ethernet - 10 years later

2006-06-08 Thread Anne &amp; Lynn Wheeler
Gilbert Saint-Flour wrote: The last three examples were sponsored (or developed) by IBM, and many IBM competitors supported the non-IBM solution precisely because it was that, non-IBM. In the case of Micro-channel and OS/2, licensing issues didn't help with PC companies like Compaq and HP. T

Re: One or two CPUs - the pros & cons

2006-06-06 Thread Anne &amp; Lynn Wheeler
Charles Mills wrote: > Are you sure? That's totally contrary to my impression. > > There are three states for the above machine: > > - both tasks waiting for I/O > - one task waiting for I/O and the other task computing > - either both tasks computing, or if a single CPU, one computing and the >

Re: Mainframe Linux Mythbusting (Was: Using Java in batch on z/OS?)

2006-06-06 Thread Anne &amp; Lynn Wheeler
Marian Gasparovic wrote: Why are mainframe people so reluctant to change ? I know cases where mainframe people refused to implement new applications, so they were implemented on different platform, old applications were removed as well as mainframe. I witnessed this situation personaly at one cus

Re: Mainframe Linux Mythbusting (Was: Using Java in batch on z/OS?)

2006-06-05 Thread Anne &amp; Lynn Wheeler
Ed Gould wrote: Timothy: I profess I have never installed VM (unless you count once 30 years ago). That being said, its never the d/l'ing that is the difficult part .. its always the "post" downloading that gets to be a PITA and always requires some (some say quite a bit) expertise. The VM sy

Re: Google Architecture

2006-06-05 Thread Anne &amp; Lynn Wheeler
Craddock, Chris wrote: Pat Helland (formerly with Tandem and MS, now with Amazon) has written some very lucid and entertaining discussions about how economics are changing their system design points. He was one of the originators of the Tandem Non-Stop transaction system and a life-long transacti

Re: Google Architecture

2006-06-02 Thread Anne &amp; Lynn Wheeler
Anne & Lynn Wheeler wrote: however, the cluster scaling has evolved in a number of ways. high-energy physics picked it up and evolved it as something called GRID. a number of vendors also contributed a lot of work on GRID technology and since are out pushing it in various commercial ma

Re: Google Architecture

2006-06-02 Thread Anne &amp; Lynn Wheeler
Hurricane about to hit IBM ? http://www.garlic.com/~lynn/2006f.html#19 Over my head in a JES exit http://www.garlic.com/~lynn/99.html#58 When did IBM go object only http://www.garlic.com/~lynn/99.html#92 MVS vs HASP vs JES (was 2821) http://www.garlic.com/~lynn/99.html#209 Core (word u

Re: Google Architecture

2006-06-02 Thread Anne &amp; Lynn Wheeler
s ... but most codes ran in the 5mip range ... and the 3033 was in the 4.5mip range ... but essentially unlimited amounts of 3033 time was still better than a couple hrs of 370/195 time a couple times a month). -- Anne & Lynn Wheeler | http://www.garlic.com/~lynn/ -

Re: Google Architecture

2006-06-01 Thread Anne &amp; Lynn Wheeler
Bill Richter wrote: It appears that Google architecture is the antithesis of conventional mainframe application achitecture in all aspects. http://labs.google.com/papers/googlecluster-ieee.pdf and the difference between that and loosely-coupled or parallel sysplex? long ago and far away, my

Re: TOD clock discussion.

2006-05-12 Thread Anne &amp; Lynn Wheeler
[EMAIL PROTECTED] wrote: Some other "users" (aka Fortune 100 companies) are used to reliability, availability, and serviceability of such magnitude that an unscheduled reIPL (also pronounced "reboot") on their mainframes happens perhaps twice a year. Memory leaks are not a valid reason for

Re: Mainframe near history (IBM 3380 and 3880 docs)

2006-05-04 Thread Anne &amp; Lynn Wheeler
Chuck Stevens wrote: The US Veterans Administration Data Processing Center in Austin, Texas had *at least* three -- maybe at one point five -- of these beasts (one on a 360/40, two on a 360/65, maybe two more at one point on a 360/50).. the university i was at had 2321 attached to 360/67 (that

Re: Need Help defining an AS400 with an IP address to the mainframe

2006-04-28 Thread Anne &amp; Lynn Wheeler
[EMAIL PROTECTED] (Patrick O'Keefe) writes: > Actually, I think it never held up. As far as I know a node has > always been hardware and a PU has always bee a program (as described > in a FAP and probably originally desiged using FAPL). The PU never > had to match the node type (although each non

Re: Mainframe vs. xSeries

2006-04-26 Thread Anne &amp; Lynn Wheeler
Anne & Lynn Wheeler wrote: > the lack of clearcut and unambiguous separation of system command and > control from system use ... permeating all aspects of design and > implementation can lead to large number of integrity and security > problems. oh ... and for slight drift ... a

Re: Mainframe vs. xSeries

2006-04-26 Thread Anne &amp; Lynn Wheeler
Anne & Lynn Wheeler wrote: > the lack of clearcut and unambiguous separation of system command and > control from system use ... permeating all aspects of design and > implementation can lead to large number of integrity and security problems. ref: http://www.garlic.com/~lynn/

Re: Mainframe vs. xSeries

2006-04-26 Thread Anne &amp; Lynn Wheeler
[EMAIL PROTECTED] wrote: Ok I've been hearing about how great mainframes are. Better availability, management, security, etc. I'm a bit new to all this so I apologize for my ignorance. My question is, if mainframes are so fantastic why do companies buy Wintel servers such as IBM xSeries for th

Re: REP cards

2006-04-19 Thread Anne &amp; Lynn Wheeler
glen herrmannsfeldt wrote: In the stories I remember, but never actually did or saw anyone do, one punched TXT cards to write over the mistake bytes. As far as I remember TXT have a start address and length such that one could do it. A table of the 256 possible punch combinations and the result

Re: TOD Clock the same as the BIOS clock in PCs?

2006-04-17 Thread Anne &amp; Lynn Wheeler
for a detail description of architecture operations ... the reference is principles of operation http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/DZ9ZR003/CCONTENTS?SHELF=DZ9ZBK03&DN=SA22-7832-03&DT=2004050412120 section 4.6 timing http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOO

Re: TOD Clock the same as the BIOS clock in PCs?

2006-04-17 Thread Anne &amp; Lynn Wheeler
Joel C. Ewing wrote: My impression of the PC clock is that it was never intended for any purpose other than maintaining wall clock time, and as such has appropriately low resolution. My other impression is that there is some Operating system involvement in maintaining its value on the PC: tha

Re: IBM 3380 and 3880 maintenance docs needed

2006-04-15 Thread Anne &amp; Lynn Wheeler
Phil Payne wrote: I've mentioned this before, but Fundamental Software has a huge collection of manuals and old equipment. When I was there once I wandered around their lab and saw just about every device I could remember. They have the old parallel channel cable assembly machine and all sor

Re: A very basic question

2006-04-11 Thread Anne &amp; Lynn Wheeler
Anne & Lynn Wheeler wrote: eventually all system orders had to be processed by some hone application or another. the "performance predictor" was a "what-if" type application for sales ... you entered some amount of information about customer workload and configurati

Re: A very basic question

2006-04-10 Thread Anne &amp; Lynn Wheeler
Ted MacNEIL wrote: Also, for the poster that asked about CPU usage. Who cares? This entire CICS sub-system is using less than 5% of the processor. The only one being impacted is this sub-system. CICS cannot sustain that rate very long without response implications. We need to know the cost per I

Re: Over my head in a JES exit

2006-04-10 Thread Anne &amp; Lynn Wheeler
[EMAIL PROTECTED] wrote: The story I heard was they liked ASP, but it was too piggy so a furious rewrite was undertaken and it became Half ASP. Most of the design objectives were met. When they went to present, it was deemed unsophisticated and changed to Houston ASP. Local Houston branch of

Re: Bringing the fun back to z/OS - new course

2006-03-29 Thread Anne &amp; Lynn Wheeler
there is also the folklore of the contractor hired to do the original tcp/ip implementation in vtam. the initial try had tcp benchmark w/thruput much higher than lu6.2. it was explained to him that everybody KNEW that a CORRECT tcp/ip implementation would have thruput much lower than lu6.2 ... and

Re: Barbaras (mini-)rant

2006-03-29 Thread Anne &amp; Lynn Wheeler
Dave Cartwright wrote: > I'm with Jim on this. I was a contractor in the mid to late '90's > and came across the early TCPIP stack, written in PASCAL and ported > from VM. As I recall it performed OK, and had some quite advanced > features like VIPA which was the subject of another recent > thread.

Re: Wonder why IBM code quality is suffering?

2006-03-27 Thread Anne &amp; Lynn Wheeler
[EMAIL PROTECTED] wrote: > No, PL/C was Cornell University's student PL/1 compiler. > (I remember it, too; Waterloo had it as one of their batch compilers, as > did ISU and many other colleges and universities around the world.) > > The PL/X genealogy included PL/S and PL/AS, but not PL/C. posting

Re: using 3390 mod-9s

2006-03-26 Thread Anne &amp; Lynn Wheeler
DASDBill2 wrote: > I once wrote a deblocker program to read in 640K tape blocks and break them > up into QSAM-friendly chunks of 32,760 bytes or less. It was an interesting > exercise, made even more so by having to run it on MVS under VM, which caused > a lot of unrepeatable chaining check error

Re: using 3390 mod-9s

2006-03-23 Thread Anne &amp; Lynn Wheeler
Anne & Lynn Wheeler wrote: the study was eventually turned into a presentation by the disk division delivered to Guide and Share user group meetings in the '84 time-frame (some extracts from the presentation) http://www.garlic.com/~lynn/2001l.html#46 MVS History (all parts) the above

Re: using 3390 mod-9s

2006-03-22 Thread Anne &amp; Lynn Wheeler
ref: http://www.garlic.com/~lynn/2006e.html#45 using 3390 mod-9s http://www.garlic.com/~lynn/2006e.html#46 using 3390 mod-9s part of the caching/electronic store discussions that on in the 70s had to do with global LRU and global caches vis-a-vis local LRU and partitioning. as an undergraduat

Re: using 3390 mod-9s

2006-03-22 Thread Anne &amp; Lynn Wheeler
Ron and Jenny Hawkins wrote: I think that this is too true. Two observations support this: 1) The growing market for Solid State Disk (SSD) prior to the 3880-13 - HDS, EMC and STK (Amdahl?) were all shipping these boxes, and AFAIK at enormous margins. 2) The quick decline in SSD sales after the

Re: using 3390 mod-9s

2006-03-21 Thread Anne &amp; Lynn Wheeler
an inner cylinders? http://www.garlic.com/~lynn/2005c.html#27 [Lit.] Buffer overruns http://www.garlic.com/~lynn/2005m.html#28 IBM's mini computers--lack thereof http://www.garlic.com/~lynn/2006c.html#8 IBM 610 workstation computer -- Anne & Lynn Wheeler | http://www.garlic.com/~lynn/

Re: SSL Certificate Signing

2006-03-20 Thread Anne &amp; Lynn Wheeler
John S. Giltner, Jr. wrote: Not sure why, but we have had problems ftp'ing certificates to import. What we end up doing is cut'ing from the PC and pasting into the TSO. I was just recenlty made aware of this, the security people new but did not tell any of the networking people. Here the main

Re: Fw: Tax chooses dead language - Austalia

2006-03-06 Thread Anne &amp; Lynn Wheeler
Gerard Schildberger wrote: > Where can one find more information on the TSO/CMS bakeoff report > (also known as the CMS/TSO bakeoff)? Is there a copy of it floating > around in cyberspace ? ___Gerard S. i did a quick look ... i thot i might find it along with a cop

Re: Fw: Tax chooses dead language - Austalia

2006-03-06 Thread Anne &amp; Lynn Wheeler
[EMAIL PROTECTED] (Chris Mason) writes: > Something else that came to mind was a comparison of the text markup > "languages" GML and SCRIPT since GML is created from SCRIPT using > the SCRIPT macro function - if my memory serves me well. stu did the original script for cms at the science center...

Re: Hercules 3.04 announcement

2006-02-27 Thread Anne &amp; Lynn Wheeler
Anne & Lynn Wheeler wrote: > i shouldn't have been so flip ... it wasn't actually called c-star ... > it was called seastar. there was also a seahorse that would provide > fileserver capability. some of this was "jupiter" controller project > reborn ... but

Re: Hercules 3.04 announcement

2006-02-26 Thread Anne &amp; Lynn Wheeler
Anne & Lynn Wheeler wrote: > later during the ADSTAR period in san jose ... there was the C-STAR > project which was working on a new disk controller that was to suppose > to provide equivalent function to the STK (iceberg/9200, different > project, different vendor, same name) con

Re: Hercules 3.04 announcement

2006-02-26 Thread Anne &amp; Lynn Wheeler
[EMAIL PROTECTED] wrote: > I thought Iceberg was the MSS? ref: http://www.garlic.com/~lynn/2006c.html#46 Hercules 3.04 announcement mss/3850 provided simulated 3330s (icebergs) staged from tape cartridges. originally had real 3330 drives for staging the simulated 3330 drives. mss/3850 had two mo

Re: Mount DASD as read-only

2006-02-20 Thread Anne &amp; Lynn Wheeler
[EMAIL PROTECTED] wrote: > Yeah, but it was years before C/C++ and didn't cause an integrity > exposure..just a big honkin' outage a classic buffer overflow story involving outage (27 system crashes in a single day). http://www.multicians.org/thvv/360-67.html the problem was as an undergraduate

Re: Military Time?

2006-02-20 Thread Anne &amp; Lynn Wheeler
Gene Cash wrote: > I never understood the reasoning behind this implementation. So it had > to go across the bus to increment the clock? It wasn't just a hardware > counter with an increment line tied to an oscillator? note that the 360 just had the cpu timer (at location 80) ... and everything el

Re: Military Time?

2006-02-19 Thread Anne &amp; Lynn Wheeler
Gene Cash wrote: > I never understood the reasoning behind this implementation. So it had > to go across the bus to increment the clock? It wasn't just a hardware > counter with an increment line tied to an oscillator? originally, why i don't know. 360/67 had high-resolution timer option 13-

Re: Military Time?

2006-02-19 Thread Anne &amp; Lynn Wheeler
John D. Slayton wrote: > Are ALL Mainframe systems have the Military or hour format? > > Please advise...thanks > 360s had a 32bit, binary timer ... located at location 80 (hex '50') in real storage. it was about 15hr period ... and most machines updated it about 3milliseconds. some machines had

Re: Mainframe Jobs Going Away

2006-02-15 Thread Anne &amp; Lynn Wheeler
Shmuel Metz , Seymour J. wrote: > 1. AIX/370 and IX/370 ran on older S/370 processorsl it wouldn't > take much to get them up on zSeries if the source code were > still around and somebody cared. aix/370 was port from ucla's locus (different heritage than the power aix, which was a at&t

Re: Mainframe Jobs Going Away

2006-02-15 Thread Anne &amp; Lynn Wheeler
David.Speake wrote: > This stimulates. Why should they not be able to run > UNIX/LINEX/AS400/Alpha-VMS or even Windows on Z chips without Z/OS or VM. I > have no idea what the instruction set burned into the metal is like nor how > I/O is really done at the hardware level. The ONLY metal instructio

Re: Lynn at garlic.com

2006-02-13 Thread Anne &amp; Lynn Wheeler
Terry Sambrooks wrote: > Hi, > > This is off topic, but I keep getting e-mails from a lynn at garlic.com, and > wondered if this was the same Anne and Lynn Wheeler. > > If it is, please not that the only part of the e-mail I am receiving is from > my ISP telling me

Re: Multiple address spaces

2006-02-13 Thread Anne &amp; Lynn Wheeler
Shmuel Metz , Seymour J. wrote: > No. The B5000, dating back to 1959, is an example of a system without > paging that supported virtual memory larger than physical memory. OS/2 > 1.x is another, more recent, example. the semantics of the statement didn't preclude systems w/o paging but with define

Re: Multiple address spaces

2006-02-13 Thread Anne &amp; Lynn Wheeler
Shmuel Metz , Seymour J. wrote: > ES came in with the 3081, where it was physically distinct. As I > recall the ES on the 3090 was from the same pol but configured as ES > in the LPAR definition. expanded store was introduced in 3090 ... the memory was the same as regular storage ... the problem w

Re: Multiple address spaces

2006-02-11 Thread Anne &amp; Lynn Wheeler
Johnny Luo wrote: > Great example.If IBM readbooks have such detailed examples for beginners > ..I know it's impossible,so I would thank you again for it. > Maybe the last question I would like to raise is for the system common area it helps to have lived thru the whole thing and worked on much of

Re: Multiple address spaces

2006-02-10 Thread Anne &amp; Lynn Wheeler
Johnny Luo wrote: > A little suprising for me.With 31-bit addressing,if you have 10G real > storage,only 2G can be addressable as central storage.Then,how > about the use of other 8G real storage?Used as a substitiution for > paging data sets? 3033 had a gimick ... it was still 24bit virtual (and

Re: Multiple address spaces

2006-02-10 Thread Anne &amp; Lynn Wheeler
re: http://www.garlic.com/~lynn/2006b.html#25 Multiple address spaces somebody just reminded me that access registers didn't ship until 3090 (they weren't on 3081). i have some recollection of various architecture discussions about access registers that i remember being in the 811 candy-stripe do

Re: Multiple address spaces

2006-02-10 Thread Anne &amp; Lynn Wheeler
re: http://www.garlic.com/~lynn/2006b.html#25 Multiple address spaces as an aside ... some systems implement virtual memory but don't support paging. in these situations, the amount of virtual memory will be the same as the amount of real storage. one such system was a hacked version of osmvt rel

Re: Multiple address spaces

2006-02-10 Thread Anne &amp; Lynn Wheeler
Johnny Luo wrote: > MVS(Multiple Virtual Storage) is the basic concept for > z/os.However,after entering the mainframe world for eight months I > still cannot understand it thoroughlyi"?1/2especially for ' multiple > address spaces'. in the initial translation from "real-storage" MVT operating sys

Re: Mount a tape

2006-02-03 Thread Anne &amp; Lynn Wheeler
Louis Krupp wrote: > Don't forget the write ring. Leave it off when you intended to write to > the tape, and you had to unload and reload the tape all over again. > Leave it on when you didn't mean to, and the tape might get purged by > mistake. i had some stuff from the late 60s and early 70s re

Re: Mount a tape

2006-02-02 Thread Anne &amp; Lynn Wheeler
[EMAIL PROTECTED] (Stephen M. Wiegand) writes: > I was trying to stay out of this thread because I thought it was a > homework or some other such question but having seen some of the > responses, I have an urgent need to add my thoughts. When I first > saw the question, I was thinking the person w

Re: Sprint backs out of IBM outsourcing deal

2006-01-31 Thread Anne &amp; Lynn Wheeler
[EMAIL PROTECTED] (Hal Merritt) writes: > One just *has* to wonder if the outsourcing was mostly a ploy to > deal with an out of control culture. You transfer all management to > a third party. Let them 'retrain' the troops. Then you bring it back > under new management with new marching orders. f

Re: What happens if CR's are directly changed?

2006-01-29 Thread Anne &amp; Lynn Wheeler
Edward E. Jaffe wrote: > Getting back to basics: What Binyamin has asked for is the ability to > have the AX for one TCB/RB in an address space be different than the AX > of another TCB/RB in the same address space. On the surface, that seems > like a reasonable "wish list" item to me. We've establ

Re: Is VIO mandatory?

2006-01-29 Thread Anne &amp; Lynn Wheeler
Ed Gould wrote: > I think the 2314 was the original suggestion by IBM. 2314 (29 mbytes) and 2301 (paging drum, 4mbytes) were contemporaries on 360/67 (early 360/67s tended to have 2311 7mbytes before 2314s were available). there were two drum models, 2303 and 2301. the 2303 read/wrote single head.

Re: Is VIO mandatory?

2006-01-26 Thread Anne &amp; Lynn Wheeler
[EMAIL PROTECTED] wrote: > I wonder about teD's statement that there remains a performance > edge for VIO. I understand the paths for paging are highly > optimized. But with modern buffered and virtual DASD the > difference ought to be shrinking. And there's the offsetting > overhead of emulatin

Re: IBM up for grabs?

2006-01-25 Thread Anne &amp; Lynn Wheeler
Joe Morris <[EMAIL PROTECTED]> writes: > Sigh...when did this happen? I've never been to Santa Teresa, but > I've got fond memories of its name, courtesy of the SHARE button > that John Ehrman created many years ago: > >Santa Teresa > Ora pro nobis and there is the story about rename Santa

Re: IBM up for grabs?

2006-01-23 Thread Anne &amp; Lynn Wheeler
Anne & Lynn Wheeler wrote: > in the mid-80s there was a predication that ibm world-wide business > was going to double ($60b/annuum to $120b/annum) and there was a > massive manufacturing construction program. one of those was large > bldg. 50 on the main plant site. in the later

Re: IBM up for grabs?

2006-01-23 Thread Anne &amp; Lynn Wheeler
[EMAIL PROTECTED] (Bob Shannon) writes: > You didn't say where. IBM sold its Cottle Road facility in San Jose. I > can't imagine how much it sold for, but given the value of property in > Silicon Valley, and given the potential cost of cleanup after 50 years > of disk manufacturing, they probably m

Re: Some credible documented evidence that a MVS or later op sys has ever been hacked

2006-01-09 Thread Anne &amp; Lynn Wheeler
Gerard 46 wrote: > If there were holes in zVM, they'd be closed. After all, ZVM is designed > to not let anyone out of their sandbox, even if you have access to the > source (as it was in the good ole days), and even back then looking at > the source, it was a hard thing to do. _

Re: EREP , sense ... manual

2006-01-06 Thread Anne &amp; Lynn Wheeler
R.S. wrote: > It was called 'OEMI' I forgot what I stands for, presumably Interface. > This book descibes Bus&Tag infterface, including plug construction, > signal characteristics, voltage levels etc. See GA22-6974 other equipment manufactureinterface ... or something similar ... synonym for pcm .

Re: EREP , sense ... manual

2006-01-02 Thread Anne &amp; Lynn Wheeler
> on what manual can I find an explanation for the "sense data" reported > by EREP ? some of the sense bits are generic ... most sense bits are device specific. there was a ios3270 version of 360 green card done long ago and far away. ios3270 was part of a menua application package done by theo a

Re: DMV systems?

2005-12-30 Thread Anne &amp; Lynn Wheeler
Bruce Black wrote: > One of my jobs at Univac/RCA was maintaining the error recovery routines > for I/O devices, incluing the RACE. Luckily, the system was so flakey > that it was easy to generate errors to test with. Unluckily, there was > little you could do to recover from a card that got cru

Re: ABN Tape - Found

2005-12-28 Thread Anne &amp; Lynn Wheeler
Hal Merritt wrote: > Here is compelling evidence why auditors should *never* be permitted to > make security 'requirements'. Never. Only see that due diligence is > done. recent backbround on part of the issue Merchants unsecure, poll http://www.crime-research.org/news/28.12.2005/1723/ from abov

Re: ABN Tape - Found

2005-12-28 Thread Anne &amp; Lynn Wheeler
Hal Merritt wrote: > Here is compelling evidence why auditors should *never* be permitted to > make security 'requirements'. Never. Only see that due diligence is > done. in addition to working on x9.59 financial industry retail payment standard ... http://www.garlic.com/~lynn/index.html#x959 http

Re: ABN Tape - Found

2005-12-28 Thread Anne &amp; Lynn Wheeler
[EMAIL PROTECTED] wrote: > Also remember that we now, unfortunately, have to protect data from > possible internal threats as well. I read of one recent event where an > ex-employee was attempting to extort money from his old employer by holding > backup tapes with data on them and threatening to

Re: DMV systems?

2005-12-28 Thread Anne &amp; Lynn Wheeler
as400 wrote: > Well, thanks for this information..I really appreciate it... > > And lastly, can Solaris (UNIX) be ran on a Mainframe or not? Because > you said: > > " would say that most of the systems were mainframe based (IBM and > Unisys) and non-Unix based OS's:" > > Please advise. what you

Re: DMV systems?

2005-12-28 Thread Anne &amp; Lynn Wheeler
www.uwsg.iu.edu/usail/external/recommended/unixhx.html http://www.ee.ic.ac.uk/docs/software/unix/begin/appendix/history.html http://www.unix.org/what_is_unix/history_timeline.html http://www.robotwisdom.com/linux/timeline.html -- Anne & Lynn Wheeler | http://www.garlic.com/~lynn/ -

Re: IPCS Standard Print Service

2005-12-24 Thread Anne &amp; Lynn Wheeler
Todd Burch wrote: > I've written some routines (in assembler) to access IPCS dump data using the > IPCS Customization Services. I had written the same routines before in > REXX, but slowness of REXX made the pain too great to bear any more. So, > now I am a happy camper with my very high speed a

Re: Channel Distances

2005-12-22 Thread Anne &amp; Lynn Wheeler
another trivial comparison was the special 4mbit t/r (16bit bus) card done for the pc/rt and the 16mbit t/r (32bit microchannel) card used by the rs/6000. the 4mbit t/r card had been specially designed pc/rt card for maximum thruput. the 16mbit t/r card used by the rs/6000 was the same as what wa

Re: Channel Distances

2005-12-22 Thread Anne &amp; Lynn Wheeler
Peter wrote: > Quoting maximum packet rate isn't unreasonable. It's not just the > physical carrier that's a limitation. There might not be enough CPU > grunt to saturate the link with minimum-sized packets, for example. but there is hardly a vendor out there that doesn't quote media rate ... and

Re: POWER6 on zSeries?

2005-12-22 Thread Anne &amp; Lynn Wheeler
Shmuel Metz , Seymour J. wrote: > I still have the manual. ref: http://www.garlic.com/~lynn/2005u.html#40 POWER6 on zSeries? http://www.garlic.com/~lynn/2005u.html#43 POWER6 on zSeries? http://www.garlic.com/~lynn/2005u.html#44 POWER6 on zSeries? there is some indication that this (mvs performanc

Re: Channel Distances

2005-12-21 Thread Anne &amp; Lynn Wheeler
David Dyer-Bennet wrote: > NSC being Network Systems Corporation. Acquired by Storagetek in the > 90s. Storagetek was acquired by Sun last year. > > NSC got killed by standards-based networking, essentially. Their > original products were doing cross-platform networking before there > were st

Re: POWER6 on zSeries?

2005-12-20 Thread Anne &amp; Lynn Wheeler
Anne & Lynn Wheeler wrote: > there was some mvs kernel performance assist microcode done for 3033 ... > somewhat analogous to vm ecps originally done on 148 ... but it was > difficult to actually demonstrate much performance improvement because > 370 instructions already runnin

Re: POWER6 on zSeries?

2005-12-20 Thread Anne &amp; Lynn Wheeler
Shmuel Metz , Seymour J. wrote: > Wasn't that already true on the older 360/85? i did some work with a 165/168 processor engineer ... he said that one of the things for the 165->168 transition was that they reduced the avg. machine cycle time per instruction from avg 2.1 machine cycles to 1.6 mach

Re: Mainframe Applications and Records Keeping?

2005-12-19 Thread Anne &amp; Lynn Wheeler
as400 wrote: > And regarding the DMV's database..Heres some information..Its only an a > diagram..Nothing detailed.. > http://www.byte.com/art/9602/img/508003c2.htm > > Oh...I gave you a the City of Los Angeles's Database tier reports...You > have to click on REPORTS and then IT PREFFERED STANDARD

Re: Mainframe Applications and Records Keeping?

2005-12-19 Thread Anne &amp; Lynn Wheeler
as400 wrote: > I know that the City of Los Angeles is upgrading their Mainframes (I > think one of them) to a Sun system running Solaris...Whats very > suprising to me, Is that I did not know that a Sun Solaris maingrame > system would be running DB2 > > I thought DB2 was only made for a IBM M

Re: POWER6 on zSeries?

2005-12-19 Thread Anne &amp; Lynn Wheeler
[EMAIL PROTECTED] (Dean Kent) writes: > Hopefully not far off topic, but this recently published article > indicates that IBM may merge i, p and z series processors using > POWER6. At one time I recall seeing an official IBM statement > saying that this would never happen because of the unique > r

Re: Mainframe Applications and Records Keeping?

2005-12-19 Thread Anne &amp; Lynn Wheeler
Anne & Lynn Wheeler wrote: > the internal HONE system saw similar characteristics in the early to mid > 70s ... i.e. HONE was vm platform providing sales, marketing, and field > support (eventually world-wide with datacenters all over the world; by > the mid-70s, mainframes were ge

Re: Mainframe Applications and Records Keeping?

2005-12-19 Thread Anne &amp; Lynn Wheeler
Tom Schmidt wrote: > One thing for you to consider, R.S., is that Poland is approximately the > size of Wisconsin. Our usage extends beyond our borders - worldwide, > actually. Because of the reach across many timezones we are more likely to > see substantial variability in usage from Linux insta

Re: Mainframe Applications and Records Keeping?

2005-12-18 Thread Anne &amp; Lynn Wheeler
as400 wrote: > Yes!! I am familiar with Selinux.. > > But for now, I wish I knew what dispatchers use to retreive our > information when given our Drivers license #. What Mainframe > application is use to store all of that data? I am talking about > informations records when run a drivers license

Re: Mainframe Applications and Records Keeping?

2005-12-17 Thread Anne &amp; Lynn Wheeler
John S. Giltner, Jr. wrote: > It's not so much that it is insecure, but that it is new. Linux is only > 10-15 years old. You have to realize that some mainframe system have > been running applications that were designed and written over 30 years > ago. They may have thousands of programs written

Re: Channel Distances

2005-12-11 Thread Anne &amp; Lynn Wheeler
04p.html#31 IBM 3705 and UC.5 http://www.garlic.com/~lynn/2005p.html#8 EBCDIC to 6-bit and back http://www.garlic.com/~lynn/2005p.html#15 DUMP Datasets and SMS http://www.garlic.com/~lynn/2005p.html#17 DUMP Datasets and SMS http://www.garlic.com/~lynn/2005q.html#27 What ever happened to Tand

Re: Channel Distances

2005-12-11 Thread Anne &amp; Lynn Wheeler
Jose (was Tysons Corner, Virginia) http://www.garlic.com/~lynn/2000c.html#65 Does the word "mainframe" still have a meaning? http://www.garlic.com/~lynn/2001e.html#76 Stoopidest Hardware Repair Call? http://www.garlic.com/~lynn/2002q.html#45 ibm time machine in new york times?

Re: 3390-81

2005-12-11 Thread Anne &amp; Lynn Wheeler
.garlic.com/~lynn/2004n.html#52 CKD Disks? http://www.garlic.com/~lynn/2005c.html#64 Is the solution FBA was Re: FW: Looking for Disk Calc http://www.garlic.com/~lynn/2005m.html#40 capacity of largest drive -- Anne & Lynn Wheeler | http://www.garlic.com/~lynn/

<    8   9   10   11   12   13   14   >