Just for my curiousity. Was CP-67 the first virtualization engine
ever
produced? Or did some other company have this type of ability before
IBM
did it?
See Melinda Varian's VM: Past Present and Future paper for all the
gory details from the IBM perspective.
There were efforts at DEC with the
http://www.bacula.org/presentations/Bacula-FOSDEM-talk-24Feb07.pdf
On Thu, 4 Jan 2007 08:14:36 -0500 Rick Barlow said:
{snip}
The
ability to use a text mode browser might improve this but I am not
aware
of
a text mode browser that handles https.
Lynx does on Linux, and I believe that Charlotte does on CMS.
Ironically, both are usable (if somewhat
It works just fine with telnet. It's just a connection method; the login
command syntax is the same.
From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On
Behalf Of Zoltan Balogh
Sent: Wednesday, January 03, 2007 3:01 AM
To: IBMVM@LISTSERV.UARK.EDU
On 1/2/07, Tony Thigpen [EMAIL PROTECTED] wrote:
And that's YOUR story and you're sticking with it. :-)
Some say WAVV is also close to what the VM Workshop was then...
And they'd be right, IMHO.
1. Create another emulator session to connect to VM and use your
emulator's own jump next key to switch between sessions.
2. If you are connected to a 3270 terminal controller (e.g. 3174), use
the
Multiple Logical Terminal (MLT) function of the controller to perform
the
switch function.
Nowadays i finished all change what i could do for make things easier,
but i was thinking of maybe possible to do the checking phase (using
two user with method logon by) without have to logon manually to each
user. I know it is a very lazy thing, but while im trying to solve
problems i know
I have been given an assignment to backup our z/VM and z/VSE systems.
We also run z/OS. I know about DDR. Can I backup/restore both z/VM and
z/VSE using DDR ?
DDR is OS-agnostic. If it's got bits in the standard formats, DDR can
dump and restore it. You do need to be cautious about dumping
H backup alternatives, their pros and cons would make a pretty
good session at SHARE and other user group meetings, no?
Already scheduled for WAVV, with a preview at the next Hillgang. 8-)
http://armchairarcade.com/neo/node/1081
Surely, RPGs existed on our beloved mainframes before or around this
time
didn't they? It pre-dates me, but I've seen discussion about it here.
Maybe the author needs a little history lesson??? :-)
*little*? Great steaming hunks of history lesson,
Although anyone who
thinks NES is the right platform for Wizardry is smoking crack.
Indeed. 3 drive 64K Apple II with a language card was the optimum
configuration. The third drive avoided all disk swapping during play
because it allowed the p-System file manager to mount all the data
volumes
Before transferring modules, issue TYPE E, MODE B (two separate
commands). You need the FTP client to preserve record boundaries, and it
won't do that without those two commands.
However, if you're going
to take her out on the Autobahn and redline it, you gotta have 'em.
(Otherwise how would you know you're redlining it? Remember, the CPU
doesn't make noise as you rev it up.)
Requirement! Requirement!
(Find some of those Sequent guys you bought up. *They* do
Schuh, Richard wrote:
The opposite of non-trivial would be complex.
Really?
No, it would be trivial.
For completeness sake, the proof is left as an exercise for the reader.
Unfortunately, the margin of this email is too small to contain it.
-- db
bind is, these days, anything but minimal.
We should port OpenBSD to the 390. You could probably run OpenBSD +
bind
in a 12MB VM.
You can run Linux in a 12Mb VM just fine -- we do 16 and 32M Debian
guests all the time. You just can't run *SuSE or RH as distributed* in
that little memory.
Of course, Theo would probably sooner jump off a cliff than allow OCO
stuff to intrude into his OS.
Is it possible to put OBSD efficiently on VM without OCO blobs?
The only remaining OCO Linux on Z driver is the 3590 tape driver code,
AFAIK.
I bet that there is a vendor (not IBM) that would be glad to sell you
a
minimal DNS server in a
small Linux. It would probably come in DDR format ready to load on a
minidisk and run.
Is a salesman at Sine Nomine listening? :)
When do you want it? 8-)
-- db
There's OCO in Linux/390 ... is it *necessary* to run a guest OS or
is it possible to run (and run efficiently?) a guest OS like, um, say,
just hypothetically, OpenBSD/390 without any OCO?
If you don't have or don't want to use 3590 tapes, yes.
We used to say that it was a good idea to run the cache-only resolver
that comes with VM TCP/IP (i.e. NAMED) to avoid excessive DNS lookups
going outside VM. Some installations also used it to prime the cache
with a set of important host names (in case the outboard DNS was not
available). But
I'd disagree with the assertion that you no longer need an internal DNS;
there's still value to having the ability to not go out on the wire, and
also to periodically lie to various things about the real setup for a
subset of the environment. Remember, you're attaching network segments
with the
We used to say that it was a good idea to run the cache-only
resolver
that comes with VM TCP/IP (i.e. NAMED) to avoid excessive DNS
lookups
going outside VM. Some installations also used it to prime the
cache
with a set of important host names (in case the outboard DNS was
not
On 12/19/06, David Boyes [EMAIL PROTECTED] wrote:
It's handy for test purposes because you could force the Linux guest
to
give any answer you wanted w/o having to convince your Windows
admins to
break the real DNS for your purpose. It's also useful in the case
where
you're hosting Linux
I enclosed the printer name in single quotes but I get a NAK when I
try to print to it.
PRINTER='eX- Printer on https://xxx.xx-
.us/printers/default'
Does anyone know how I could either rename this printer to remove
spaces or how to make RSCS print to printer name with
Your solution works great. Thank you.
You're welcome.
Side note, though: that's an IPP-driven printer...8-) Remember to vote yes
to add IPP support for RSCS in the next requirements go-round at your
favorite user group.
Also fails with IE7. Item is displayed, but doesn't seem to go
anywhere.
From what I heard, that was a pretty good description of the
function
provided by the product. :-)
If we're talking about IE7, then yeah, that pretty much sums it up. Moby
lossage.
If we're talking about
First, consider really whether the SNA step is necessary any longer. tn3270
directly to the host is not the resource pig it used to be.
Second, there's two stages here: desktop to Linux (which needs only IP) and
Linux to VTAM, which needs to be layer 2 clean (eg TYPE ETHERNET guest LAN).
Correct. VM VTAM cannot speak to a LAN without an XCA node, and XCA
(LSA-mode OSA) is not simulated. But you can use a virtual CTC
between CS
Linux and VM VTAM.
Duh. Of course. Too much VSE recently.
*sigh* I'll just go away now.
-- db
How does PSI differ from amdahl, NAS, Hitachi and other IBM compatible
hardware vendors from the past?
Speculation: (IANAL)
1) The historical vendors legitimately licensed some of the technology
from IBM or independently developed compatible widgets to the IBM stuff
published in the PoP
Kind'a curious that the URL given:
http://www-3.ibm.com/servers/eserver/xseries/systems_management/ibm_director
contains the string: /xseries/
Not at all. Remember, Director started life as a xSeries-only thing -- the
replacement for Netfinity Manager. The cross-platform expansion -- and
According to my monitoring configurator (aka, Rick B) the CP VARY PROC
would be system config change and gets monitored. CP SET SHARE is
another
puppy. We need to know (without an ESM) when someone enters a command
like
that to be able to audit when, who and to what it was done.
I suppose
First, I don't think IBM is branching out into the healthcare area.
Obligatory historical footnote: IBM *did* build lab blood chemistry and
other biomedical equipment starting in 1972 (cf. the 2991 Blood Cell
Processor). Equipment manufacturing and repair ended in 1984 with the
sale of the
Oooh! A philosophical conundrum!
If a website is alone in a network segment and it falls down by itself,
does it cause a beacon state?
-- db
The Webmaster To Whom We Are Eternally Grateful is busy contacting our
ISP
as we speak.
Our admin, who art in Endicott,
Hallowed be thy userid.
Thy login comes,
Thy will be done.
On VM as it is on real hardware.
Give us this day our daily WWW pages
And forgive us our access violations
As we
Well, the reason I'm doing it is because the 510RES has very little
space
left. I almost couldn't get the maintenance to fit on the 500 disk
and I
didn't have many cylinders left vacant. Since, on our previous
release of
z/vm which was v4r3, we had a 430RES and a 430W01 and they were both
CP
trouble...just grab John
Hartmann's POPEN package off of the Pipelines
download page
(http://vm.marist.edu/~pipeline/). POPEN is an easy
to use interface
from C, PL/I, Cobol, etc. to Pipelines, so anything
coded in these
languages can easily exploit the full power of
Pipelines,
Check out the RSCS REROUTE statement. It does exactly what you want.
From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On
Behalf Of Horlick, Michael
Sent: Wednesday, November 29, 2006 12:46 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Rerouting in RSCS
I do a significant amount of z/OS - RSCS - lpr_link - PS printer
traff
ic
for our database users. The network aspects of lpr have caused us some
problems in the past and would like to know the benefits of switching
to
an
IPP type of traffic. Can you explain to the list Why/How IPP benefits
The network aspects of lpr have caused us some
problems in the past and would like to know the benefits of
switching
to
an
IPP type of traffic. Can you explain to the list Why/How IPP
benefits
our
hosts and the networks we have to work in?
Sure.
One more I forgot:
6) IPP
1 last question. Works well for VSE but for CMS we do not specify nodeid.
Printer is IE03.
Works ok for TAG DEV 00E DEVVM IE03 where DEVVM is our nodeid but queued
for IE03 if TAG DEV 00E IE03.
How to do?
If it's just ending up in the CP print queue with that tag, then you'll need to
Perhaps it is time for the user community to define and write some
assembler
language subroutines to interface bewteen C programs and the VM/CMS
environment.
Much like that FORTRAN library that used to be offered by IBM.
Long past time...
Most of the rdr and pun routines could be cribbed
From today's IBM announcement letter at:
http://www-306.ibm.com/common/ssi/fcgi-
bin/ssialias?subtype=cainfotype=anappname=iSourcesupplier=897letternum
=ENUS306-281
Today, IBM announces decreases in one-time charges (OTC) on World
Programming System.
Decreased one-time charges will apply
One major caution: be sure the volume you're doing this on is in the
Offline_at_IPL in your production SYSTEM CONFIG; you don't want this
directory accidentally coming online if something happens to the
production volume that contains your normal CP directory.
Sorry to disagree: CP will
I therefore created a mini VM system with TCPIP started so that I
could
restore it using this method and have an VM system that I could IPL.
I did that a few years back. I'd can't remember off hand how that was
done.
Does anyone else remember?
This is a good thing to do. (in fact, I'll be
How are you transferring the print files? NJE? What do the tags look like?
From: The IBM z/VM Operating System on behalf of Carl Edwards
Sent: Wed 11/22/2006 5:16 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: AFP printing from Z/os to Zvm
We are trying to route
I have tried to use the following command to print a cms-file directly on a
Kyocera
printer in our network:
lpr lprtest datei a ( SYNCHRONOUS Printer raw host 10.2.5.233 nopostscript
When the page came out of the printer I saw only the first line of text.
Yes, that's what it's supposed to
In the case of update files, the source depends on them.
(Most 'make' driven packages do not employ anything as sophisticated
as CMS UPDATE. Some do use 'patch'.) What we would need is the
make depend kind of thing that was already mentioned. What CMS
Make
then needs for that is the
Sometimes the client asks for the characters to be bigger but I
explain that for a fixed
font I cannot specify a point size when specifying PCL code. I know in
Microsoft Word, I
can specify, for example, Courier font and can choose a different
point size.
Well, you can specify it in the PCL
In
general, are most printers postscript capable, if that's the term.
Most modern laser printers do, unless they're really, really
inexpensive. Any laser printer made in the last 2-3 years is almost
certain to have both PCL and PostScript personalities -- about the only
things that don't do
[If you have a spare week or two, I'll send you a ray tracing
program
written in PostScript (allows you to render shiny glass balls using
nothing but the CPU in your printer. Guaranteed to make you the most
unpopular person in your entire office when you monopolize the laser
printer for
Make sure you disable DNS for your second SMTP server, either by
providing a TCPIP PROFILE that does not have NSINTERADDR statements or
using the new configuration support in the SMTP config file to force
traffic to go to the IPMAILERADDRESS entry.
The IP address I have specified as
This must be an older release of SMTP and/or VM.
Comment out the NSINTERADDR line entirely (14.0.0.0 is a historical
variant of 127.0.0.1 and is not equal to no name service at all) and put
the IPMAILERADDR back to the IP address of the mail server where you
want all the mail to go. In older
q cplevel
z/VM Version 5 Release 2.0, service level 0601 (64-bit)
Generated at 2006-02-13 11:45:25 EST
IPL at 2006-11-09 02:54:48 EST
mike Ready;
Drat -- just saw this. The idea I suggested will still work, though. If
it does, then you know that that's the problem.
It would be nice if the OSA-ICC microcode
could provide this functionality to allow us to connect
securely from the desktop using Hummingbird or PCOMM etc.
But, at present it looks like external vendor vpn type
solutions may be the quickest solution.
Certainly the cheapest and simplest
So far, I have unable to find anybody who can
tell me the
magic incantations needed to print on both sides of the
paper.
[snip]
The printers
are 1) Canon imageRunner 5200 and 2) HP LaserJet 4300. Both
are connected to
a MS Windows print server. Can anyone on the list disclose
the
What I need to do is issue commands:
1) CP Commands (FORCE AUTOLOG etc.)
2) And invoke applications that can only start after another
application
has finished on a different system.
Do I need to set up a programmable operator to be able to do these
things
across systems?
This is
Is there a way to track who is using the VM ftp client and the target
server address? We have a need to find who/what is ftping to specific
servers so that they can be converted to a new address and/or
solution.
CMAP would do that (if you have it), although it won't catch the case
when user
Does anyone still use TFTP (or BOOTP, for that matter) on VM?
We've experimented with booting Linux guests via the VM TFTP, but it's
simpler to use the Linux equivalents. Does BOOTP even work with
non-PRIROUTER OSAs? Last I looked, it needed raw frame access, and you
didn't get that without
It is said that running the same DB2 batch job on an z/OS consumes
more
CPU, or in other words that z/VM if far more economical in use of CPU
resources. Is that a fact and if so, can anyone give me a good
indication
about the factor z/OS is more expensive...
It is definitely true that z/VM
Billing to the client is based on
CPU-seconds. Batch takes about 80% of system resources in terms of
cpu.
Given the same DB/2 batch job ( consider DB/2 on MVS being the same ),
same database volume, same z9 Server and so on, so take only z/VM and
the
z/OS cpu cycles into account, would there
As for the VM:Secure thing, I find that simply documenting how the
product can screw up a system is not only an unacceptable answer, it
borders on repugnance. A
strategic product that should always be working should never violate
the integrity
of the system. There is no justification for it.
Here's some more detailsthe end users TN3270 to a
specific IP address and are presented with a VTAM
application selection menu; from there they can select which
system and application they want to connect to. Some of
these applications are in fact on the z/VM box itself,
others are on
If all they're doing is tn3270 traffic to a VTAM application
solicitor, convert it to using DIAL VTAM in the VM TELNET
connection exit. There will be a slight increase in host CPU
utilization (the main point of using the CPA tn3270 server was
to offload the IP stack cycles outside the
Title: Re: VM 4.4 to 5.2 migration issue
Hopefully, all my execs that work under RTM
will work with perfkit...
If you're parsing results, then probably not. The screens are
fairly different in format.
You'll also want to read the section in the perfkit manual on
setting up the APPC
In regards to the migration from z/VM 4.4 to z/VM 5.2, are there
any problems running 4.4 RTM under 5.2? Will 5.2 accept the
enablement
of RTM?
Yes. 5.2 is VERY different internally, and RTM just doesn't know how to
handle it. You'll need to switch to perfkit or an equivalent product.
I thought this was an issue that commercial Backup/Restore programs
dealt
with (if you want something off-the-shelf).
If you're buying...
8-)
With the TMS in control at EOV the TMS will appropriatly position the
new
tape before giving control back to DDR. They can be labeled or not,
CMS
DDR will never know.
Well, short of TVS/TVI requiring SL tapes... this is SL OS sim after
all...8-)
OK, seems reasonable to me. BTW, that
Probably the cheapest solution is to buy a used 3174-11L and
decommission the 3274s. Used price is less than $1K USD (heck, I've got
one I'll give to you if you want to ship it there), and it's not worth
the effort to try to figure out another solution for that little $$$. If
the 3174s are
I'm putting together requirements for DDR to support interfacing with
tap
e
management systems and using labeled tapes. I'd like some feedback
from
other interested parties on my first draft:
My comment would be to move the actual tape handling part out of DDR
entirely and let the data
My comment would be to move the actual tape handling part out of DDR
entirely and let the data storage be handled by something else, eg a
pipe connecting to the input or output of the DDR engine. Then it
wouldn't matter how we were storing the data, and all the positioning
stuff could be out
Requirement: When running under CMS, DDR should allow interfacing with
tape management systems during EOV processing and allow the tape
management system to control the tape drive during such processing.
To expand a bit more, if the tape handling were outside DDR (as
illustrated in previous
You can use DMS/CMS or the VM version of ISPF (if that is what you are
familiar
with) as well as the products suggested by the other responders.
Although one caveat is that neither can be licensed on IFLs without
special bids (and they're *really expensive* in that scenario).
Don't know
And I've looked around and I'm wondering if someone could direct me to
a
short explanation on just where SSH for a VM system could be found.
z/VM 5.2
AFAIK, there isn't one (yet). SSH operates on some assumptions that are
very hard to implement in the VM model.
We've built a proxy
I have been informed, in no uncertain terms, that System Programmers
do
not rule the world. They must beg permission from Security
Administrators
just like Users (gasp!)... [sorry to use such ugly language].
Explaining about Ultimate Power does no good since a sysprog who
exercises
it
There are a couple of packages (free and not) for this, but for simple
or QD panel apps, I usually fall back on Xedit. Check the downloads
page www.vm.ibm.com/downloads for a variety.
I strongly recommend CUA2001 from the downloads page. Does all sorts of
neat stuff a la ISPF (but better),
but howabout running z/VM in a Hercules that was itself running
under
Linux in a virtual machine that was being delivered using the same
z/VM
as
was running, down there - and is, of course, properly and fully
licensed.
It's been done.
Not wisely, but too well... 8-)
Not entirely
What are some good ways of making this type of change?
Best way I can think of is a session manager like NVAS or Tubes, where
you could make the LU pool connecting to the application specific to a
particular app, and always ask for EDS from the real device.
do PWD
development have asked if there are any opportunities to attempt to help IBM
understand why this may be a mistake. Does anyone know who within IBM would be
the correct address to begin this discussion?
David Boyes
Sine Nomine Associates
I think I'd agree with the other lad. At least in the DEC world, even
the foreign-made core never dipped much below the $2/bit range just
because of labor costs.
Ok, this is obscure to the max, but: ISTR real core costing $1/byte.
Someone else says:
$1 a byte was extrordinarily cheap for
From: The IBM z/VM Operating System on behalf of Dodds, Jim
Sent: Fri 10/6/2006 3:46 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: Any one in the Boston Area using a VM/VSE Combination
Hello Larry,
I know you asked for the Boston area, but just in case you
Griswold was one of the co-authors of the SNOBOL programming language,
and a brilliant scientist as well as a genuinely decent guy.
He will be missed.
David Boyes
Sine Nomine Associates
Date: Thu, 05 Oct 2006 05:35:17 -0700
From: Steve Wampler [EMAIL PROTECTED]
Subject: Ralph Griswold
for weeks
on end.
David Boyes
Sine Nomine Associates
On these printers, LPD support might need
to be enabled (the default is different on the two models you listed, defaults
to on on the 3045, off on the other one). Check that first. You
also need to spoolsw lpr on in the interface to enable LPD
spooling if you have a disk installed.
I wonder how hard it would be to write a Linux application (my first
choice is in REXX), to take a tape file (perhaps FTPed from a VTS
controlled volume), and start stacking files on an FCP attached tape.
To actually write the files for NL tapes, dd is included. If you want
labeled tapes, grab
I'm not sure I care about channel attached tape libraries from Linux.
It would be nice, but not necessary, in this case.
I'm more concerned that Suse can read/write to an IBM 3490 virtual
tape.
Since I can't mount a particular VTS tape from Linux, I was thinking
of
having a CMS type process
On Friday, 09/29/2006 at 01:42 AST, David Boyes
[EMAIL PROTECTED]
wrote:
AFAIK, you also can't set or enable the encryption keys on the 3592s
from Linux (or anything except z/OS AFAICT).
You don't need to. CP will handle that on behalf of all guests who
don't
know how to do
OT: I was a bit surprised to find my CMS user being spammed even
though I never published that anywhere so must have been through
guessing. Makes you wonder.
Not at all. It's a basic brute force dictionary attack technique. We get
probes of 5 to 10 addresses (mostly from hijacked PCs
, but
it is a subset), but it's bidirectional.
David Boyes
Sine Nomine Associates
Earlier in the thread, SENDFILE and TRANSMIT/XMIT modify the file sent
by
packing it into NETDATA format, and then unpack it at the receiving
end.
Regardless of the actual maximum LRECL, the file will be broken down
into
80 byte records for its journey. Of the 80 bytes, there are prefixes
on
on the system)
XMITIP may also work, but havent
tried it recently. It had some TSOisms that didnt translate well last
time I tried it.
David Boyes
Sine Nomine Associates
From: The IBM z/VM Operating System
[mailto:[EMAIL PROTECTED] On Behalf Of
Steve Gentry
Sent: Wednesday
, there was a
restriction that there had to be at least one LPAR defined on a standard engine
(so standalone diags based on z/OS utilities could run), but I think thats
gone now that there are all-IFL systems out there.
David Boyes
Sine Nomine Associates
From: The IBM z/VM Operating System
hosting Linux systems), you are likely to get garbage.
David
Boyes
Sine Nomine Associates
From: The IBM z/VM Operating System
[mailto:[EMAIL PROTECTED] On Behalf Of
Marcy Cortes
Sent: Wednesday, September 20,
2006 4:00 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: DFDSS
Anybody
-- would that be good enough? In that
case, see above advice wrt window manager maximize events.
David Boyes
Sine Nomine Associates
Does anyone using x3270 on Linux know how to get the emulator
to expand
to full screen mode using the maximize button on the Window (or
less
desirable a key combination)?
Another thought: use h3270 without any graphical overlays (just a
straight green session), and then use the users'
for everything via BSIVSE27? If it does not, then you
won't get any messages, because it can't figure out how to get them
there.
David Boyes
Sine Nomine Associates
-Original Message-
From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED]
On
Behalf Of Tony Thigpen
Sent: Thursday
Apparently, with the B18, we can also share it with Win/2000, Win/XP
and the like. Just need another card for the scsi connection.
Now, is this the same kind of connection that a FCP connection would
use?
i.e. by adding FCP channels on our z/890, can I share the FCP
connection with
Perhaps the problem is that chpid 2 and 3 are not connected to each
other?
I would suggest looking at Defining ESCON CTCs Between LPARs by
Shimon
Lebowitz at http://www.sinenomine.net/system/files?file=ectcpsb.pdf.
URL http://www.sinenomine.net/node/465 will give you some options on
format
Looking up that 54 doesn't advance the cause much:
Message Code Description
ECONNRESET54Connection reset by peer.
Anyone have any ideas on what might be wrong and how
to resolve it?
Some things that might be wrong:
1) Some client has started holding the TCP data
The NJE routing tables indicate that the destination you specified is supposed
to be reached via a route that points through you, producing a 'immediate loop'.
-Original Message-
From: Mark Pace, Mainline Information System [EMAIL PROTECTED]
To: IBMVM@LISTSERV.UARK.EDU
Wouldn't it be much simpler to just change SPXTAPE to work with
SPOL-format disk volumes in addition to tapes?
Then you could backup to
dasd and then DDR to tape at your convenience. Or, just add the
volume to
the CP-owned list and it's a miracle: the spool files are on it are
now in
the
Is there any way to copy/save/backup the system data files (NSSs etc.)
in the spool without a tape drive?
Related idea: I think a very useful addition/requirement to SPXTAPE
would be to add a (STREAM option to SPXTAPE that presented the data as a
CP IUCV service or accepted an IUCV connection
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