DeveloperWorks
I'm curious. What makes a virtual hipersocket under z/VM and a
LPAR-based hipersocket different? Shouldn't the virtualization in
z/VM erase that difference, or is this one of those need to know
things that the driver uses to turn on some HW assist?
I dont'
if it is an H30) to run a large Java workload on. Do you
have the JIT turned on?
Regards, Jim Elliott - Linux Advocate, IBM Canada Ltd.
zSeries, not z/OS. In any case, IBM is distro
agnostic. While our commercial distro partners on zSeries are Red Hat,
SuSE and Turbolinux (in alphabetical order), we also work with many
other distros. We don't have a preferred distro for internal use.
Regards, Jim Elliott - Linux Advocate, IBM Canada Ltd.
comments, he is in TPF development (one of the four
mainframe OSs you can buy from IBM). I can't say what he is working on,
but check out http://ibm.com/tpf for more info on that OS.
Regards, Jim Elliott - Linux Advocate, IBM Canada Ltd.
?) an integrated solution.
MS Office (and Lotus Smartsuite among others) proved him wrong.
Regards, Jim Elliott - Linux Advocate, IBM Canada Ltd.
support in Canada at the time) I did not
get hit by the TsCs. DeScribe was a great product, and I was sorry to
see it fail.
Regards, Jim Elliott
to develop VM skills so they
can take advantage of the full function provided by z/VM V4!
Regards, Jim Elliott - Linux Advocate, IBM Canada Ltd.
(or even EMC).
Regards, Jim Elliott
item. I will
post on this list when and where it can be obtained.
Regards, Jim Elliott - Linux Advocate, IBM Canada
/zseries/solutions/s390da/linuxproduct.html
Regards, Jim Elliott - Linux Advocate, IBM Canada
.)?
Regards, Jim Elliott - Linux Advocate, IBM Canada
under User Groups.
Regards, Jim Elliott - Linux Advocate, IBM Canad
Scott: The current JDKs for Linux are available at:
http://www6.software.ibm.com/dl/dklx130/dklx130-p
PS: Sorry I missed you at SHARE. I think I left as you were arriving!
Regards, Jim Elliott - Linux Advocate, IBM Canada
/edirectory/
Regards, Jim Elliott - Linux Advocate, IBM Canada
as a preventative measure.
Regards, Jim Elliott - Linux Advocate, IBM Canada
article on the consolidation:
http://www.linuxuser.co.uk/articles/issue15/lu15-smoothiron.html
Regards, Jim Elliott
Regards, Jim Elliott
zSeries generally available May 31st
SAP's first major application for Linux/390. It's been under test for
a while. I'm a little surprised that they're only going to run it on
64-bit Linux/390.
Mark: The reason for Linux on zSeries only is that the SAP app server
requires, in
/390 have USS installed and you don't
have a choice. Therefore, I don't understand your comment.
Regards, Jim Elliott
zSeries generally available May 31st
Argghh!! And their pidgeon-holing customers to DB2 for OS/390!
Rich: mySAP.com on Linux zSeries is targetted at customers who are
currently using DB2 on z/OS as the SAP database server. This is the
highest performing database server out there
in a Redbook he co-authored and was on his web site). I
don't know if this could be used or not.
Regards, Jim Elliott
wasn't LDAP included with z/VM 4.2?
Phil: Nope, IMAP was included with z/VM 4.2.
Regards, Jim
Is anyone using Tomcat ( http://jakarta.apache.org/ ) on S/390 Linux?
Regards, Jim Elliott
My colleague Ira Bland noticed the following tidbit at ZDNet. It seems
some of our (ahem) more vocal participants helped educate one of their
writers. :-)
Yes, it was nice to see the update. Now if he could just have spelled
my last name correctly!
Regards, Jim
http://lists.linuxppc.org
Regards, Jim
G2 or later.
Jim Elliott
Statements of Direction:
* Intention to remove SPTAPE (replaced by SPXTAPE) in a future release.
* Intention to deliver a new performance tool (based on FCON/ESA) as a
priced optional feature in a future release.
Regards, Jim Elliott
2. Are there any enhancements to SAF?
As we have stated previously, SAF is a tool to assist in migration from
VIF. We have NO plans for further enhancements over what was shipped
in z/VM V4.2.
Regards, Jim
I'm curious, what are people using for antivirus software for Samba
running on Linux/390?
Randy: Check out the download page at RAE Internet at
http://www.raeinternet.com/rav/index.html. They have a beta of several
zSeries Linux AV products, which according to their site support Samba.
I've been all over DeveloperWorks, and
http://ibm.com/developerworks/opensource/linux390/whatsnew.shtml
looking for the FCP drivers. The latest (March 4) Device Drivers and
Installation Commands manual doesn't mention FCP.
Does anyone know where the FCP support for S/390 lives?
Scott: I
From: Sergey Korzhevsky [EMAIL PROTECTED]
Subject: Re: 31bit 2GB main memory
Sergey:
Do I think right, there is no sense to run 31bit application on 64bit
system? At least, for now?
I can't think of any reason to run 31-bit apps on the 64-bit kernel, and
the vendor products (such as
I have heard that multipath i/o is supported on s390 and was curious
how this is accomplished. If anyone has any information I'd appreciate
a reference or a reply to this post.
On other architectures, multipath i/o is handled in the scsi layer,
using the scsi id found on newer drives.
Here is the URL for the article Mark referred to.
http://vb.channelsupersearch.com/news/var/35257.asp
Salomon Smith Barney is a unit of CitiGroup.
Regards, Jim
Well, there seems to be some disagreement here.
And some misunderstanding as well. When Jim talks about multiple paths
for the I/O, it is multiple paths to the control unit (that has a
bunch of devices). So you can have multiple I/O's active at the same
time to different devices on the same
From: rudy [EMAIL PROTECTED]
I've been writing a series of articles (as Paul Murphy) in
linuxworld.com on IBM's reticence with respect to the cost and
performance characteristics of their mainframe Linux offerings. As a
result I've received some interesting mail including some results I
From: Sergey Korzhevsky [EMAIL PROTECTED]
Sergey:
When? If you know, please, say me.
MQ Series Server for S/390 Linux has been available since March 25. Ask
your IBM rep/business partner for info on 5799-GQJ PRPQ 7J0448. You
license the regular MQSeries Server, the PRPQ provides Linux for
The SAP application server for Linux on zSeries became available today.
This is the first 64-bit version of the SAP application server and runs
on the current SuSE SLES for zSeries. Shipments should start next
Tuesday.
Regards, Jim
Was there a major release for S/390 RH 7.2 today? I noticed there's a
new experimental OCO mod at the IBM site for 2.4.9-37
Guess I don't understand why there's still a need for the OCO ?? I
though LCS support would be in the RH release by now??
Dave:
It appears there is a new kernel drop
I got the impression from the original post that the question was
whether or not the HMC has a 3270 emulator and that they were getting
rid of the terminals. No mention of the control units.
Alan: He is currently on a Multiprise 3000 where the support element
emulates a 3x74. Going to an HMC
The OCO modules are still required for QDIO. LCS is now open source,
but not QDIO.
To clarify my statement. LCS and QDIO are now open source (QDIO open
source is experimental), QETH is not. For the Red Hat distro, IBM
supplies OCO drivers for QDIO and QETH.
Regards, Jim
What are my connectivity options to the Sun StorEdge 9960 box from the
S/390 Linux platform running on a z800 ??
I noticed from their web page that it does support S/390 and ESCON Do
I still have to use 3390 and ecson/ficon ?? Or is there FBA and SCSI
available now?
Dave:
You really need
I apologize if this has been asked before. What Linux software is
available to perform logical backups of Linux S/390 files and
directories? Ideally we would be looking for 'freeware or shareware'
but if you know of any commercial ware that would be appreciated also.
We would be looking for
We start to run Linux under z/VM4.2. Two images has been running
without any troubles for weeks. But we have very silly problem since
yesterday. The 1st. image hangs sudennly. After few minutes (sometimes
1/2 hour) the Linux image continues to run. BUT the 2nd image hangs
now! IT'S CRYZY.
I heard some rumor about Don't use LVM with Shark/ESS because it use
RAID5.
Sergey: Read back through the archives. Use LVM to get large volumes.
Regards, Jim
Can anyone from IBM, confirm the availability of Transaction Server
for Linux? Either as an evaluation download, or as a working copy,
download?
I assume you are talking about TXSeries. Sorry, but this is only
available on AIX and Windows NT/2000 now as part of WebSphere
Application Server
You are very close Jim. No actually I mean the transaction server
product that is also called CICS, and currently only running on Z/OS,
or OS/390. I do know about the others, but I prefer to aim towards
Linux, both Intel, and eventually S/390 based options. However,
stranger things have
The information below and a more detailed agenda can be found on the IBM
Linux website at http://www.ibm.com/linux/events/local.shtml
These are the last five scheduled roadshows in the US in this year's
series.
Interested in driving your hardware costs down while improving
performance? Want to
what does the cics/trans gateway do for you???
The CICS Transaction Gateway provides a web interface to CICS. But it is
a LOT more than just screen scraping in that it provides a Java
environment for enhancing the CICS transaction environment. Chec out
the web site at http://ibm.com/cics/ctg
As far as security is concerned, we currently have CA-Top Secret for
OS/390. CA has a beta version of Top Secret for Linux/S390. I don't
know what if anything RACF has for Linux/390.
IBM has Tivoli Access Manager for Operating Systems. Think of this as
RACF for the open world. This product
Others view things like SHARE as a perquisite or reward, particularly
since they wind up being places like San Francisco, etc.
Mark: So Nashville (SHARE 98) was a reward? I thought it was more of a
punishment. ( ;-) )
Regards, Jim
Does this product work in a Linux-Only environment or MUST it use a
centralized RACF system?
Tivoli Access Manager for Operating Systems (AM/OS) requires a
management server (central repository) which can be Tivoli Access
Manager (AM, formerly Policy Director) running on AIX, HP/UX, Solaris,
Tom:
Back in 1999 there was a satellite learning service that IBM had. Not
sure i it is still in existence. Required a 4 foot dish and you had a
yearly subscription. For that year, all courses were available to you.
Yes, you could tape the course material for viewing later.
ISEN =
Two new Linux on zSeries redpieces (draft redbooks) are now available:
http://ibm.com/redbooks/redpieces/abstracts/sg246807.html
Linux on zSeries: Application Development
http://ibm.com/redbooks/redpieces/abstracts/sg246820.html
Linux on zSeries and S/390: Systems Management
Regards, Jim
My friend is trying to subscribe to this list. Here is the original
request as well as the response. Has something changed since I signed
up.
Peter: Have your friend send a PLAIN TEXT message, not an HTML message.
It is generally considered bad manners to send HTML to a list in
general, and I
Of course, I like class room training over the rest also.
Tom: Go to http://ibm.com/training/us/elearning/ for info on e-learning
offerings (including e-class which is the follow-on to ISEN, but using
the web).
Regards, Jim
Have you checked out the System Management Redpiece that Jim referred
to in an early post? Chapter 11 is devoted to Tivoli. On page 195
there is a note: Important: The TSM 4.2.0 client can only recognise
ext2 and nfs filesystems. If you are using other types of filesystems
(e.g. ext3,
There is a new TSM client under Linux that supports ext3. Carlos :-)
Carlos is correct, and I was wrong. The following is the current
supported file system info for Linux for S/390.
File System ACL Support
ext2Yes
ext3No
jfs No
ReiserFS is supported by
is it possible to ipl z/vm in an lpar without a 3270 controller and a
3270 display, using the hmc display? then acquire the operator console
via tn3270 via the osa?
In practical terms, no. You MUST have a 3270 controller to INSTALL z/VM.
Regards, Jim
Where can I get Mainframe on Linux training???
Jenu: Linux is Linux, so for the most part any Linux education will
do. IBM offers over 40 Linux courses as well as some Linux mainframe
specific courses. http://ibm.com/training/spotlight/linux/
Regards, Jim
The title of the page
http://service2.boulder.ibm.com/devcon/devcon/docs/wes20sus.htm is
IBM WebSphere Edge Server Version 2.0 for Linux SuSE - zSeries
Serge: Argh, this is a typo. It should be (on all four WebSphere Edge
Server items) xSeries. I have reported it to the devcon team.
Regards,
Does the same version of DB2 for Linux work on both the intel platform
and Linux under v/m?
James: Yes and no. The same level (7.2 now) is available for both, and
the CDs for both (DB2 UDB EE) come in the same shrink-wrap, but of
course the binaries are different.
Regards, Jim
I've no luck in searching for Domino to run on an S/390 Linux virtual
machine. Does anyone have information on whether there is a Domino
platform available to run there?
Domino is NOT available for Linux on S/390. IBM is investigating whether
to provide this, but it is not available at this
Can you tell me how DB2 for Linux on s/390 is priced? I've found
prices for DB2 for Linux (intel) on the web, and I received price
information on DB2 server for VSE and VM.
Jim: There is no separate pricing for DB2 on zSeries Linux. There is only
a price for DB2 UDB EE. The price is the same
From: Nish Deodhar [EMAIL PROTECTED]
Subject: Re: Addition of new CPUs
I'm not sure if this is even possible, but I've defined additional
CPUs under VM and would like them enabled for Linux WITHOUT having to
re-IPL the Linux guest image. Is there a command within Linux or
otherwise that will
It's all a matter of business opportunity. If everyone here can show
IBM that they are willing to shell out the dubloons for the software,
IBM will listen up. Voice your opinion here, but better yet collect
your prose and sent it off to IBM. If you don't have a local rep, call
a branch
How do we know if we want to buy, if we can't kick the tyres? Why not
produce a developer release (like Oracle) and gather feedback? If we
are to believe all the marketing rhetoric about Linux, it should be a
matter of just re-compiling the existing Domino for Linux-Intel
code-base shouldn't
Will S/390 Linux run native on a 9672-R32 ?
Or would you need VIF ?
Neil:
Linux will run on a G2, but performance may be poor due to lack
of IEEE floating point (and it is not supported).
VIF has nothing to do with this, and besides VIF is very much a dead
product (withdrawn from marketing).
Being OS/390 R10 with many AS400's and looking for means to cut
cost--Linux is being looked at, but if was support on or current
platform--even under OMVS we would be interested..This would hold true
to many Intel/Unix based products..
Ronald: Domino is fully supported on OS/400 and OS/390.
Will S/390 Linux run native on a 9672-R32 ?
David: The R32 is a G2 box, not a G3. See
http://www.vm.ibm.com/devpages/jelliott/cmosproc.html
Carlos: The original G2 systems did not have the Relative and
Immediate instruction set (or at least not all of it was present). This
was added via an EC
Jim, I am confuse --- it sounds like an R32 should be a G1 with 3
CPUs.
Carlos: Yes, you are confused. R32 is a G2 non-turbo with 3 engines.
9672-En1 - G1 transaction server w/ ESCON channel base
9672-Pn1 - G1 transaction server w/ parallel channel base
9672-Rn1 - G1 general purpose
9672-Rn2
A close reading of the advisory shows that remote execution is only a
possibility on 64-bit systems. On other systems, a DoS attack is the
vulnerability.
Even though the advisory below talks about new versions, 1.3.25 and
2.0.39, there is no mention of them on the Apache web site. The
Mark: Ignore my earlier note. I realize now you were referring to no
info on the fixed releases.
Regards, Jim
does Tivoli (TSM) run under Linux/390???
Ralph:
The TSM Client is available for S/390 Linux. However, remember that
Tivoli pricing is an art so you need to contact your IBM/Tivoli software
rep to make sure you are licensed correctly.
Jim:
Did you do the obvious and report your problem at
http://www7b.software.ibm.com/wsdd/downloads/zOSsupport.html?
When you registered for the trial download, you should have received
an e-mail within seconds telling you how to get support for your
trial. If you got the trial code in some
The following three new RedPapers will be of interest to the list.
Getting Started with zSeries Fibre Channel Protocol
Published: June, 18, 2002
More details are available at
http://www.redbooks.ibm.com/redpapers/abstracts/redp0205.html
Linux on IBM zSeries and S/390: High
Yes, they have binaries for zSeries, but only for OS/390 and z/OS,
just as Daniel stated. If you go to that URL, and click on the
drop-down box for Version of the Operating System, z/OS 1.2 and
OS/390 2.7 are the only two choices.
Mark: I beg to differ. Check out the URL below.
I'm trying to create some performance reports using VM Performance
Reporting Facility for zVM (4.2.0). I'm looking for the whereabouts of
the MONWSTOP utility module. Does anyone know whose/which minidisk
this guy resides on?
Frank:
MONWSTOP is an immediate command that is part of the
I find it curious that some people complain 1) lack of VM support and
2) when first day support is provided for the most recent VM level.
Reminds me of my first wife.
John:
I think some of the comments are because 1) Candle has previously
announced that there would be no further support of
Maybe my memory is off. I thought when the units were shipped, IBM
only supplied PCDOS, that you had to buy CP/M-86 separately. If it was
indeed a market decision, then, sure the MS Basic, plus I suspect
PCDOS commands were more intuitive for non-CP/M (8080) users probably
led to MS
http://www.computerwoche.de/index.cfm?pageid=254artid=38632
Haven't actually seen this one here. 25 Solarises on an IBM large
system - 40% less floor space (must be a misprint) and half the power
consumption.
Phil:
No misprint. 25 rack mount Sun servers to an IBM mainframe with external
It looks like VM and VMWare are going to be step children of a sort...
IBM and VMware announced this at the beginning of the year. Today's
press release was just to describe the relationship in more detail. It
is IBM's desire to have partitioning capability on all our server lines.
zSeries -
Reposted from IBM's internal VM forum.
VM is now a 30 year old operating system, and if you consider the
groundwork laid by CP-67 and CP-40, it's almost 40 years old! Hard to
believe!
VM/370 Release 1 was announced on August 2, 1972. The blue letter
(announcements were printed on blue paper
That's funny! When I left IBM in 1999 they were aggressively moving
the internal Forums to Bloatus Notes. It was a HORRIBLE implementation
(like all of the conversions from CMS to Bloatus Notes) and people
just plain stopped using the internal Forums (which were, up until
then when running
Dave et al:
All IBM press releases are available at http://ibm.com/press
The subject press release is:
http://ibm.com/press/prnews.nsf/jan/7FC8FFA0B51473A985256C150070E521
Regards, Jim
Neat History I worked at IBM 1983-8 and was a manager in the area
that ran PCSHARE and VMSHARE and PCTOOLS.
John:
I think your memory is failing you a little. Your group ran IBMPC and
PCTOOLS (I thought the master for IBMVM was in Kingston, not your group
in Watson?). PCSHARE and VMSHARE
VMSHARE was originally hosted by Tymshare. It was moved to McGill
later.
Thomas:
Ah, right. I am pretty sure I still have a copy of the manual for
VMSHARE (CONTACT by Adesse) that Mary Ann Marcoux gave me a great many
years ago. Yes, I know I am a pack-rat. For more info on VMSHARE see
Is there any new information on the Domino to Linux S/390 - zSeries
port? Planned release dates? I can't find anything at lotus.com on
this. ...
Matt:
Here is the official word from Lotus.
Linux on zSeries is a growing and strategically important
platform within the IBM customer
We have 7 OS/390 processors. I was told it would cost about $10,000 to
convert one processor to an Integrated Facility for Linux (IFL).
Anyone know if this is close to being correct, or has anyone done
this?
You have seven S/390 processors, which I assume from your note are
running OS/390
Just got the latest IBM Journal of Research and Development in the
mail and it's the IBM eServer z900 issue! Some articles on the web:
http://researchweb.watson.ibm.com/journal/rd46-45.html
Mike: Note that all of the Research servers are down for annual
maintenance until Tuesday morning. I
Bruce,
That's a big question. Certainly you're unlikely to find VisualBasic
on Linux or Linux/390.
However, Stryon ( http://www.stryon.com ) has a VisualBasic to Java
conversion product!
Regards, Jim
I have found Software List for Linux/390
http://www.ibm.com/eserver/zseries/solutions/s390da/linuxisv.html
which lists the ISV software for Linux/390 but I have been unable to
find a page listing the IBM software. I know I must be overlooking
something.
Lionel:
No, you are not missing
At this moment we run Cobol applications on a GCOS 8 mainframe. If we
want to convert these applications to ZLinux on a Zxxx system we need
a Cobol compiler.
Questions:
- Which Cobol compiler do we need for ZLinux
- Which Database is the best choice with Zlinux, DB2 or Oracle
Roger:
Glad
2) It is financially feasible?
Cost of DB2 on Linux/390 on a z/800 with 1 IFL.
Cost of the client portion of DB2 on OS/390. Does this exist
separately from DB2 itself?
John:
There is no such thing as a DB2 for OS/390 client version. To do this
you would need a license
Tom;
We are looking to create a Linux/390 LPAR on an H30 and we are trying
to figure out the support arrangements for the base operating
system.
What is IBM's arrangement with Linux/390? IBM (Australia) has told us
that we do not order Linux via IBM but must order through another
site,
My ancient SLES (Linux 2.2.16 kernel) does not have /proc/sysinfo.
cat /proc/cpuinfo
Regards, Jim
I picked up a new book on Linux and Open Source this weekend which I
highly recommend. The book is The Business and Economics of Linux and
Open Source by Martin Fink of HP (ISBN 0-13-047677-3). The book is NOT
technical, but is oriented towards managers and give a great overview of
the business
I probably missed it, but is there a URL for this?
Bob: http://www.eservercomputing.com/mainframe/
Regards, Jim
I'm sure that z/VM supports a lot more than 64 virtual machines.
Bernd:
The comment was actually about a 64-way virtual machine, not 64 virtual
machines. The MACHINE directory statement is used to define the maximum
number of virtual processors a virtual machine can have and the largest
value
Hi all, im downloading Redhat 7.1, but now im not sure about the 64 or
31 bits, im downloading it from: ...
Alex:
I would recommend you get the 7.2 31-bit version. Very few applications
need 64-bit yet (mySAP.com comes to mind) and most vendor software is
only supported on the 31-bit version
But what will happen when the applications will need 64 bits? how
dificult the migration will be?
Alex:
Good question. The decision is do you want to run supported vendor
software now or avoid a migration in the future. I don't expect the
migration to be difficult, but I can't speak from
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