On Fri, Feb 22, 2008 at 11:37 AM, in message
[EMAIL PROTECTED],
Lizette Koehler [EMAIL PROTECTED] wrote:
Just thought you would like to know that I was reading the zJournal mag
(hardcopy) and noticed an article called
Basic BASH scripting for Mainframe System Programmers
by Mark Post
know). At some point it will be accessible on the web site as
well. Attendees at SHARE have the hardcopy version in their registration
materials.
Mark Post
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spread around, but it was more than a little.
Mark Post
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Jones Using z/VM VSWITCH
9127Mark Post VM for MVS Systems Programmers - Part 1
9128Martha McConaghyVM for MVS Systems Programmers - Part 2
9133John Franciscovich Configuring, Customizing and Modifying Your VM
System (Without an IPL)
9134Rick
and it looks to be
EBCDIC already. The unwind created folders bin, share, info, and man and put
all the data there.
This would appear to be a pre-compiled package, not source. With adjustment of
your PATH and MANPATH environment variables, it is probably ready to use as is.
Mark Post
.
To be a little more explicit, Linux for System z has had support for PAV since
late 2006, both on z/VM and in an LPAR. I haven't seen any indication that
HyperPAV support has been submitted just yet. It would have gone through the
git390 server if it had been.
Mark Post
not yet. My understanding was
that within a particular z/VM guest, you would still have the restriction of
not mixing IFLs and other processor types.
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something like 550 5.7.1 Email rejected
because 1.2.3.4 is listed by zen.spamhaus.org, as an example. There are other
possibilities besides spamhaus.org.
Mark POst
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machines running Linux on z/VM.
9060Leslie Gordon IBM Transformation: Major IT Consolidation Initiative
9265Martlin Maddy TCO: Comparing System z and Distributed Environments;
Building the Business Case
http://linuxvm.org/Present/index.html#share110
Mark Post
any one
group is going to be able to work effectively in isolation.
Mark Post
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supporting that is still posting in the
Linux-390 mailing list. Not sure that means anything though.
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administrators. Have them
look at
SUSE Linux Administration
http://www.novell.com/training/courseware/ts_proj_info.jsp?pid=12579
and
SUSE Linux Advanced Administration
http://www.novell.com/training/courseware/ts_proj_info.jsp?pid=11794
to see if that will meet their needs.
Mark Post
to this list saying she thought
it was pretty good. You might find it useful in getting started.
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No. BTDT. It depends on requirements for HW quality. Intel penguin farm
could mean high-end xSeries or blades, or simply bunch of regular PCs
(see Google).
Actually, it's not the hardware costs that make the TCO comparison favorable to
System z Linux. It's typically the savings in software
truncated. I just now re-uploaded
it, and it downloads fine once again.
Mark Post
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to virtualize.
KVM = Kernel Virtual Machine.
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.
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] listserve a good place to ask Linux questions, and
[EMAIL PROTECTED] for z/VM questions.
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and the largest sites.)
By the way, any reference/red book teach
how to setup and tuning?
See above. I foresee lots of reading being needed.
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at the HMC, without having to have allocated reserved
LPARs in advance, etc. is really, really nice. Other features, such as
dynamically creating/destroying LANs and NICs and so on are why I've always
called z/VM a systems programmer's operating system. It just makes your life
so much easier.
Mark
to be sources of technical information
for solving problems. Mailing lists (and in prior years Usenet) do serve that
function quite well.
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purpose engine. Is that reasonable?
In the case of IFLs, all those things are run on the IFL. For zIIPs and zAAPs,
that's a different story. Ed's right. There is one and only one instruction
that is disabled on an IFL. Everything else is identical to a standard engine.
Mark Post
On 11/13/2008 at 10:30 AM, R.S. [EMAIL PROTECTED] wrote:
-snip-
I'm not sure if I can use zIIP or zAAP for z/OS under VM.
Yes. z/VM will allow a z/OS guest to dispatch work on a zIIP or a zAAP. z/VM
itself will not use either of them.
Mark Post
On 11/13/2008 at 1:34 PM, Shane [EMAIL PROTECTED] wrote:
Mark Post wrote:
z/VM will allow a z/OS guest to dispatch work on a zIIP or a zAAP.
Unless I'm mis-remembering, this is only true if you happen to be on
latest z/VM, on latest hardware, and happen to have an appropriately
defined
. Starting back in June of 2007, z/VM 5.3 had the capability to do just
that. Take a look at slide 17 from Reed Mullen's presentation at SHARE in San
Jose.
http://www.vm.ibm.com/devpages/MULLENRA/SHARE111.pdf
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without CMS, or is
CMS required for z/VM administration?
It would be nearly impossible to administer z/VM without CMS. CMS also makes a
very useful environment to do initial setup/customization for the various guest
operating systems that run on z/VM.
Mark Post
to run
it on the IFL?
Yes, as long as any license MTS might have would allow that (along with your
unspoken assumption that someone had actually ported MTS to the platform, or
written an emulator for it, etc.)
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/OS workload to real zIIPs and zAAPs if they are available to the
LPAR. (And Linux workload to real IFLs as well in the same LPAR.)
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.
That is correct.
(BTW, the SineNomine web page states that OpenSolaris requires
z/VM; it will not run native in any LPAR.)
As is that. Their design goal from the beginning was to make use of z/VM to
reduce the (already staggering) amount of work that would need to be done for
the port.
Mark Post
switches,
or specific VLANs.
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from RACF for z/OS in that
various things related to being a hypervisor need to be secured:
- CP Privilege Classes
- VSWITCH access
- VLAN access
- DCSS (DisContiguous Shared Segments)
- Default and maximum virtual storage sizes
- Virtual NIC definitions
and more.
Mark Post
, Confluence, and I'm sure others run just fine on Linux for System z.
Mark Post
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On 11/24/2008 at 1:16 PM, Mark Jacobs [EMAIL PROTECTED] wrote:
-snip-
I believe that we are running Drupal under zLinux.
That's a content management system, but it does a very good job at that.
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vendors, but for the IBM products that I'm familiar with,
they charge the same as they do for midrange systems. Oracle does the same.
Not sure about SAP.
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the IBM-VM mailing list. Lots of very experienced VMers there, and an
increasing number of people new to z/VM are coming in and asking questions.
You would fit right in.
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/390 and
System z (recognizing that Basic mode has gone away with System z). z/VM isn't
a requirement, but it is a fantastic way to get the most out of your hardware
resources.
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kernel. The examples of where such a sale has happened are quite numerous:
JBoss, BerkelyDB, MySQL, InnoDB and so on.
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restore
Although it's darn near impossible to parse, just enter dsmc, which will put
you into interactive mode, then help, following by the number of the topic
you want to read. On my system, the two commands I gave you would be under
topics # 14, and 24.
Mark Post
doubt that there is one from the server side.
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0x8a78 in f1 ()
#4 0x8aae in main ()
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availalble, any one has a sample how to read this record
using any linux plataform language?
There is an OpenCOBOL compiler. It might meet your needs.
http://www.opencobol.org/
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On 1/23/2009 at 6:24 AM, R.S. r.skoru...@bremultibank.com.pl wrote:
-snip-
My English is poor
Hardly. From what I've seen your English skills are quite good.
but I understood the joke.
Probably related to having a sense of humor. :)
Mark Post
gone way beyond water cooling with its use of
refrigeration, I would have real doubts about the effectiveness of mere water
cooling.
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also want to repeat this request on the IBMVM and Linux-390 mailing
lists. (I'm not sure of the name of any VSE/TPF lists.)
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with it. As others have
said, please add your company's voice to the (slowly?) growing chorus that
would like to see it released.
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how successful they'll be, but I wish them well.
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of EDS meant that at some
point, all the job titles had to change for people that weren't licensed
engineers. Systems programmers, for example, went from Software Systems
Engineers (really descriptive, eh?) to Infrastructure Specialists. Much
better, don't you think?
Mark Post
/present/#share109
SessPresenter Title
9127Mark Post VM for MVS Systems Programmers - Part 1
9128Martha McConaghyVM for MVS Systems Programmers - Part 2
9200Jim Elliott An Introduction to Linux and Open Source
9202Jim Elliott Linux on System z
Romney Whitez/VM Live Guest Migration
9111Romney WhiteUsing New CP Features in z/VM 5.3
9150Jay Brenneman CSE For High Availability and System Management
9240Jay Brenneman Linux on z/VM System Programmer Survival Guide
Thanks,
Mark Post
.
When I was supporting midrange Linux, we _never_ built systems without page
space. Really nasty things start to happen if real storage runs short. To
answer your question, yes, that would mean they have no virtual storage.
Mark Post
On Fri, Aug 31, 2007 at 6:08 PM, in message
[EMAIL PROTECTED], Tom Marchant
[EMAIL PROTECTED] wrote:
On Fri, 31 Aug 2007 15:07:53 -0600, Mark Post wrote:
-snip-
Even on midrange systems it isn't all that cheap when you get
into shared/virtualized environments. If the admin wants to give
the
really critical pieces in the guest, and let the rest page.
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that a lot of sites are running out of storage before MIPS.
Again, shared/virtualized is a different beast.
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, and
is still a problem with LINUX under z/VM, today.
That's not nearly as much of a problem as it used to be. The Linux and z/VM
developers did the smart thing, and decided the two OSes should talk to each
other about it.
Mark Post
in this area to improve things
even more. You probably won't ever get rid of it completely, but it's not a
huge issue even now.
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file system helps even more.
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virtualised images, the overhead will show up.
No need to remind me. I've been working with mainframes for over 30 years.
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1000Hz) timer interrupts that would
chew up and entire CP/IFL with enough guests running. :) They're hitting the
same sorts of problems, and actually looking to us to help them out.
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number of large guests. It's still not as good at it
as we would like, but I know the z/VM developers are working on that too.
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that would make it easier to create them.
XIP2FS has been shown to provide enough benefits to make that worthwhile, I
believe.
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understand why would you even talk about Microsoft in a hardware
manufacturer context. Seems a little gratuitous.
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that some aspiring mainframe technician in Brazil
might be able to put to good use.
Mark Post
And, since it seems that you believe anything anyone says in a mailing list is
somehow representing their employer (or whatever), please insert here the
standard disclaimer otherwise
.
It makes way better sense than running Linux on a Mainframe.
Hmm. While I like Hercules quite a bit, I've never heard of anyone saving
millions of dollars running anything on it. I do know a lot of businesses that
are saving that kind of money on mainframe Linux, however.
Mark Post
if there is the
equivalent of the netstat -lnp command in Linux to show you what processes
are listening on what ports. If there is, that will tell you what's what.
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an operator is a helper.
I guess you've never heard of death by medical misadventure. That also
happens nearly every day. Not too many of them get fired either, for their
first mistake.
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in the same group or even company as you. I
would have left as soon as possible once I understood there was no room for
human error.
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had tried to do this on
my own.
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. On-list or off-list is fine,
which ever you prefer.
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this to work (z/OS 1.6, haven't trie on 1.8 yet). I
was told that my problem was a EBCDIC vs. ASCII problem with the magic
cookies?
Hmm. I think most of the cookie is in binary It would be interesting to see
what xauth creates on USS versus Linux.
Mark Post
the X traffic is tunneled through your SSH session.
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from happening. When/if it
finally does work, echo $DISPLAY will have something like localhost:10.0 as
the output. The other thing I could suggest is using -X instead of -Y.
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it should not be.
You should be able to do it via a simple cut and paste operation.
xauth list
-copy-
xauth add *paste here*
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simplicity. That's a purely economic
evaluation, not a technical one. I supported MVS for 20+ years, and have a
great admiration for it. IBM's pricing schemes (along with most ISVs) make it
difficult to justify economically these days.
Mark Post
on. That doesn't necessarily mean z/OS, but z/OS in combination
with Linux for System z (itself in combination with z/VM) is likely to be
around for quite a while longer.
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this tool and upgrading it was good for everyone involved.
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are totally unfounded.
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), there's nothing stopping _any_ of the
customers in that second category from doing a no-cost evaluation today. IBM
will even lend you IFLs and real storage to go along with it. What's not to
like? Not much, from what I can see. I think some people just like to
complain too much.
Mark Post
ago what was happening, when he tendered his
resignation from that and the Technical Steering Committee. He was very
disappointed because he really, really liked the platform.
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.
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, including on System z, that's not
the same company as is being discussed here.
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(or the firewalls front-ending the system more likely), so not enough
information to get a good fingerprint. While personally frustrating, it's good
to see someone out there can get it right. :)
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do similar things, some of which use a GUI, etc.)
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: IBM_HTTP_Server
versus your
Server: IBM HTTP Server/V5R3M0
I don't know if that's configurable or not. I believe it is for Apache, since
many Apache sites report more details:
Server: Apache/1.3.27 (Unix) PHP/4.3.1
while the bahn.hafas.de site simply says:
Server: Apache
Mark Post
of it, or a pointer to
link to it, whichever you prefer. I can convert Powerpoint files to PDF if
needed.
Thanks,
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the details of the IBM announcement. A lot of people in
IBM sales didn't necessarily know at the time, perhaps because they're not into
reading z/VM announcements. :(
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What? (Or: What
we learned on the job)
9122Bill Bitner z/VM Tuning Revisited with Specialty Engines for z/OS
9123Jim Vincent TRACK for z/VM - What's Happening in Your Virtual
Machines?
9127Mark Post z/VM for MVS Systems Programmers
Martha McConaghy
9137Rick
is malformed:
meta http-equiv=refresh content=4 url=index.html
Should most likely instead be:
meta http-equiv=refresh content=4; url=index.html
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access to the web server
configuration files, which I suspect they don't have. The redirection via a
meta tag is in the header section, not in a javascript.
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be expected, all the KVM work for System z is being done by IBM's
developers, mainly in Boeblingen. It will be a while before it's usable on any
platform, let alone System z.
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flag and you'll
get both the .s and .i files for the source module.
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On 9/18/2008 at 12:33 PM, in message [EMAIL PROTECTED], Rich Smrcina
[EMAIL PROTECTED] wrote:
There is a project underway to port OpenVMS to System z.
If this is what David Boyes talked about, it's not a port ov OpenVMS, per se,
rather a emulator that runs OpenVMS unmodified.
Mark Post
releasing it's patches. So, he's been through this more than once. He has far
more brain power (and tolerance for pain) than I do, that's for certain.
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of
the world?)
Just so you know, I'm not from Texas, and very happy to be able to say that. :)
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spoke with the author.
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at the technology, and they flatly refused.
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version is shipped in any particular distribution
release.
For more information on this, and other topics surrounding it, see
Selecting a Linux or Linux/390 Distribution in the latest z/Journal at
http://www.zjournal.com/index.cfm?section=articleaid=604
Mark Post
a system programmer's
operating system.
-snip-
Yes, subscribe to linux-390. Also see http://www.linuxvm.org/ (which is
maintained by Mark Post).
Yes, the mailing list is _highly_ recommended. And, thanks for the plug for
linxuvm.org. :)
Mark Post
. (Many
customers run both.)
-snip-
I believe the ratio is closer to 80%/20% in favor of SUSE, but as Mark Pace
commented, Red Hat made up some ground there, largely from shops that are
already running Red Hat on other architectures.
Mark Post
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