Re: Does zVM 5.2 support z/OS 1.10 or z/OS 1.11

[Alan Ackerman]

The z/VM 5.2.0 General Information manual, Appendix B. IBM Operating 
Systems Supported as Guests of z/VM, merely shows:

z/OS V1 (1)z/VM V5.2V UM (3)

Notes for z/OS Guests: 

(1) Exploitation of hardware function by z/OS may require specific levels
 
of z/VM. For details, see z/OS and z/OS.e: Planning for Installation, GA2
2-
7504. 

(2) If the z/VM host is running on an S/390 Multiprise 3000 or S/390 G5 o
r 
G6 server, a z/OS guest runs only in 31-bit mode. If the z/VM host is 
running on a System z server, a z/OS guest must run in 64-bit mode on a 6
4-
bit CP image. 

(3) z/VM does not support external coupling facilities or real coupling 

links.

The same manual for z/VM 5.3.0 is no different, except note (2) is gone.

I think you are going to have to find a z/OS manual, perhaps Planning for
 
Installation, GA22-7504 mentioned above.
 
Alan Ackerman

Alan (dot) Ackerman (at) Bank of America (dot) com  

Re: Pass Phrases

[Schuh, Richard]

Thanks to Doug, Alan and Dennis. That was the answer I was looking for.


Regards,
Richard Schuh






From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf 
Of Doug Breneman
Sent: Monday, November 02, 2009 2:07 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: Pass Phrases


Richard,
The General Information Manual for z/VM 5.3 has passphrase support in the base. 
I looked in the Security section, page 16.

Enhanced System Security with Longer Passwords
Working together, z/VM V5.3 and the RACF Security Server for z/VM FL530 feature 
support the use of passwords that are longer than eight characters, called 
password phrases (also known as passphrases). A password phrase may contain 
mixed-case letters, numbers, blanks, and special characters, allowing for an 
exponentially greater number of possible combinations of characters than 
traditional passwords. To utilize password phrases, an external security 
manager (ESM) that supports password phrases, such as RACF, is required. To 
ease migration from passwords to password phrases, the RACF Security Server for 
z/VM continues to support traditional 8-character passwords. A new callable 
services library (CSL) routine, DMSPASS, allows authorized CMS applications to 
authenticate passwords or password phrases. The z/VM LOGON command, the z/VM 
TCP/IP File Transfer Protocol (FTP), Systems Management API, Remote Execution 
Protocol (REXEC), and Internet Message Access Protocol (IMAP) servers, and the 
Performance Toolkit for VM have been updated to support password phrases. For 
environments in which password phrases cannot be used, but where additional 
password complexity is required, the RACF Security Server for z/VM also 
provides support for mixed-case 8-character passwords. Support for password 
phrases and mixed-case passwords enables a z/VM system to meet the enterprise 
password requirements imposed by many companies, governments, and institutions.

Doug Breneman z/VM Development IBM Endicott

[cid:1__=0ABBFCF1DFEAC4898f9e8a93df938@us.ibm.com]"Schuh, Richard" 
---11/02/2009 04:38:32 PM---When were pass phrases first supported by VM? Was 
it the base z/VM 5.3 or were they introduced to 5.


From:
"Schuh, Richard" 

To:
IBMVM@LISTSERV.UARK.EDU

Date:
11/02/2009 04:38 PM

Subject:
Pass Phrases

Sent by:
The IBM z/VM Operating System 




When were pass phrases first supported by VM? Was it the base z/VM 5.3 or were 
they introduced to 5.3 via the service stream?

Regards,
Richard Schuh

Re: Pass Phrases

[Doug Breneman]

Richard,
The General Information Manual for z/VM 5.3 has passphrase support in the
base. I looked in the Security section, page 16.

Enhanced System Security with Longer Passwords
Working together, z/VM V5.3 and the RACF Security Server for z/VM FL530
feature support the use of passwords that are longer than eight characters,
called password phrases (also known as passphrases). A password phrase may
contain mixed-case letters, numbers, blanks, and special characters,
allowing for an exponentially greater number of possible combinations of
characters than traditional passwords. To utilize password phrases, an
external security manager (ESM) that supports password phrases, such as
RACF, is required. To ease migration from passwords to password phrases,
the RACF Security Server for z/VM continues to support traditional
8-character passwords. A new callable services library (CSL) routine,
DMSPASS, allows authorized CMS applications to authenticate passwords or
password phrases. The z/VM LOGON command, the z/VM TCP/IP File Transfer
Protocol (FTP), Systems Management API, Remote Execution Protocol (REXEC),
and Internet Message Access Protocol (IMAP) servers, and the Performance
Toolkit for VM have been updated to support password phrases. For
environments in which password phrases cannot be used, but where additional
password complexity is required, the RACF Security Server for z/VM also
provides support for mixed-case 8-character passwords. Support for password
phrases and mixed-case passwords enables a z/VM system to meet the
enterprise password requirements imposed by many companies, governments,
and institutions.

Doug Breneman  z/VM Development  IBM Endicott


   
  From:   "Schuh, Richard"
   
  To: IBMVM@LISTSERV.UARK.EDU  
   
  Date:   11/02/2009 04:38 PM  
   
  Subject:Pass Phrases 
   
  Sent by:The IBM z/VM Operating System   
   





When were pass phrases first supported by VM? Was it the base z/VM 5.3 or
were they introduced to 5.3 via the service stream?

Regards,
Richard Schuh

Re: VMRMSVM - z/VM Resource Manager

[Alan Altmark]

On Monday, 11/02/2009 at 02:15 EST, "Martin, Terry R. (CMS/CTR) (CTR)" 
 wrote:
> BTW, I am not using DIRMAINT or anything like that to administer the
> Directory I am using DIRECTXA is that considered IBM VM DIRECTOR?

No, DIRECTXA and IBM Systems Director ("IBM Director") are two different 
things.  IBM Director is a GUI-based multiplatform management application 
that lives outside of z/VM, but can communicate with it to perform some 
basic systems programming tasks.

Alan Altmark
z/VM Development
IBM Endicott

Re: Pass Phrases

[Alan Altmark]

On Monday, 11/02/2009 at 04:38 EST, "Schuh, Richard"  
wrote: 
> When were pass phrases first supported by VM? Was it the base z/VM 5.3 
or were 
> they introduced to 5.3 via the service stream? 

Support for password phrases (long, mixed-case, with blanks and special 
characters) was in the base of z/VM 5.3.

Alan Altmark
z/VM Development
IBM Endicott

Re: SFS information

[Martin, Terry R. (CMS/CTR) (CTR)]

Thanks Tracy! I will take a look.

Thank You,
 
Terry Martin
Lockheed Martin - Information Technology
z/OS & z/VM Systems - Performance and Tuning
Cell - 443 632-4191
Work - 410 786-0386
terry.mar...@cms.hhs.gov
 
WFH Tuesdays and Fridays
-Original Message-
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Tracy Dean
Sent: Monday, November 02, 2009 9:53 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: SFS information

On Fri, 30 Oct 2009 21:51:10 -0400, Martin, Terry R. (CMS/CTR) (CTR) 
 wrote:

>Hi
>
> 
>
>I want to start using SFS what manuals best describe how to configure
>and implement SFS fro z/VM 5.3?
>

Terry,
I've recently published a short paper on setting up an SFS server, 
since I usually recommend that customers use SFS to manage the 
configuration files for one of my products.  

http://www.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/WP101576

Some of the paper is specific to putting the Operations Manager config 

files in SFS, but one section is focused on the steps necessary to 
create a new SFS server and file pool.

Of course the CMS File Pool Planning books is still essential for 
management of SFS, but the paper is useful for a short list of steps 
necessary to get an SFS server up and running.

Tracy Dean
IBM

Re: Pass Phrases

[O'Brien, Dennis L]

It was in the 5.3 base.

 

 
Dennis 

"Of all tyrannies, a tyranny exercised for the good of its victims may
be the most oppressive. It may be better to live under robber barons
than omnipotent moral busybodies. The robber baron's cruelty may
sometimes sleep, his cupidity may at some point be satiated; but those
who torment us for our own good will torment us without end, for they do
so with the approval of their own conscience."
  -- C.S. Lewis
  

From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Schuh, Richard
Sent: Monday, November 02, 2009 13:38
To: IBMVM@LISTSERV.UARK.EDU
Subject: [IBMVM] Pass Phrases

 

When were pass phrases first supported by VM? Was it the base z/VM 5.3
or were they introduced to 5.3 via the service stream? 

 

Regards, 
Richard Schuh 

 

 

 

Pass Phrases

[Schuh, Richard]

When were pass phrases first supported by VM? Was it the base z/VM 5.3 or were 
they introduced to 5.3 via the service stream?


Regards,
Richard Schuh

Re: SYSTEM NETID update

[Dave Jones]

Hi, Frank.

You can find the zVM: Guide to Automated Installation and Service 
document here:


http://publibz.boulder.ibm.com/epubs/pdf/hcsk2b30.pdf

I do agree that they are stored in a bit out of the way location:-)

Good luck.

DJ

On 11/02/2009 02:03 PM, Thomas Kern wrote:

I update the SYSTEM NETID file on the 0190, the 0490 and any other S-Disks
that I have to have available. You need to save the 'CMS' namesys segment
for each S-disk you modify. If you just have the 0190&  0490, then just
resave CMS.

/Tom Kern


On Mon, 2 Nov 2009 13:09:06 -0600, Frank M. Ramaekers
  wrote:


Okay, I'm having a hard time finding out the proper way to update this
(contained on the 190 S-disk).   I updated it once and then RSU'ed to
0902 and lost it somewhere in the process.

I found one service manual that stated that the information to update
the SYSTEM NETID was moved to the "zVM: Guide to Automated Installation
and Service".  Well, this manual is next to impossible to find.  In can
find it in the Library link on the VM home page.   I did manage to get a
hard copy of it awhile back (don't remember where I found it), but can't
seem to find the SYSTEM NETID.  (It's not in the table of contents nor
the index.)

I could just update the one on the 190 disk, but then, I'm afraid, it
will revert the next time I do maintenance.

TIA,

Frank M. Ramaekers Jr.
Systems Programmer   MCP, MCP+I, MCSE&  RHCE
American Income Life Insurance Co.   Phone: (254)761-6649
1200 Wooded Acres Dr.Fax:   (254)741-5777
Waco, Texas  76710


--
Dave Jones
V/Soft
www.vsoft-software.com
Houston, TX
281.578.7544

Re: Questions - zVM Limits/Hardware Support

[Alan Altmark]

On Monday, 11/02/2009 at 11:34 EST, "Gary M. Dennis" 
 wrote:
> Extremely useful. The limits document by by Bill Bitner and another by 
the
> same author on performance are great resources.
> 
> If you attempted to configure a VM system with 700 active users each 
having
> an average working set of 8GB each what kind of train wreck could that
> create?  All recommendations I see call for keeping the virtual to real
> ratio <3:1 and I wonder what would happen in this case.  I note that VM 
has
> been tested to the 1TB real level.

If you take anything from the "Limits" presentations, I hope it is that 
you really shouldn't push on the Outer Limits, as it were, or you might 
find yourself in the Twilight Zone.  There's only so much memory to go 
around, so the more you overcommit memory, the more you have to manage 
workloads such that they aren't all trying to be active at the same time. 
And the bigger the LPAR, the more memory there is to manage and the more 
time CP has to spend managing it.  (Executive Summary: There's no such 
thing as a free lunch.)

> If the max number of paging volumes is 255 but you should keep the
> utilization for of each device at 50% for optimal performance, what does
> that mean?  Are we talking 50% of the potential sustained I/O rate for 
the
> device or 50% of physical capacity.  If the latter, that pushes the 
paging
> cap down to 5.6/7.95.

50% occupancy, not data rate.  CP QUERY ALLOC.

> What transmission limits are imposed by ISFC? When would the CTC link 
max
> out? Could a very high activity IUCV communications link function well 
over
> ISFC?

YMMV.  IUCV is done within virtual machines, so it is the virtual 
machine's access to the CPU that will drive IUCV.  Then you have CP 
driving the CTCs themselves.  The larger the messages sent are, the fewer 
SIE breaks there will be (due to fewer IUCV instructions) and the less CP 
overhead will in incurred handling it.  That should result in higher CTC 
link utilization since CP can spend more time doing that rather than 
handling virtual machine requests.  So, streaming large messages (many 
thousands of bytes per message) will be more efficient than a lot of 
smaller messages.  The app should probably use IUCV buffer lists to 
logically concatenate non-contiguous data rather than doing IUCV 
SEND/RECEIVE from/to separate data areas or copying the data into 
contiguous guest memory.

As to how close you'll come to the theoretical maximum link speed, I like 
to turn it around and ask, "How fast do you need it to be?"
You'd have to set up a system and measure it.  If you do that on a 
supported z/VM system on supported hardware, we may be able to look at the 
MONWRITE data for you.  Contact me off-list if you go that route.

Alan Altmark
z/VM Development
IBM Endicott

Re: SYSTEM NETID update

[Wandschneider, Scott]

Here is what I use:

To XEDIT a member on the 190 (CMS) disk:
link * 190 f190 mw 
acc f190 e 

XEDIT SYSTEM NETID E

FFILE

rel e (det  

Becareful not to lose 190 S disk!

To save a new CMS system on z/VM (Y-STAT and/or Z-STAT) 
1. VMFSETUP ZVM CMS 
2. SAMPNSS CMS 
3. IPL 190 CLEAR PARM SAVESYS CMS

Thank you,

Scott


-Original Message-
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Frank M. Ramaekers
Sent: Monday, November 02, 2009 1:09 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: SYSTEM NETID update

Okay, I'm having a hard time finding out the proper way to update this
(contained on the 190 S-disk).   I updated it once and then RSU'ed to
0902 and lost it somewhere in the process.

I found one service manual that stated that the information to update
the SYSTEM NETID was moved to the "zVM: Guide to Automated Installation
and Service".  Well, this manual is next to impossible to find.  In can
find it in the Library link on the VM home page.   I did manage to get a
hard copy of it awhile back (don't remember where I found it), but can't
seem to find the SYSTEM NETID.  (It's not in the table of contents nor
the index.)

I could just update the one on the 190 disk, but then, I'm afraid, it
will revert the next time I do maintenance.

TIA,

Frank M. Ramaekers Jr.
Systems Programmer   MCP, MCP+I, MCSE & RHCE
American Income Life Insurance Co.   Phone: (254)761-6649
1200 Wooded Acres Dr.Fax:   (254)741-5777
Waco, Texas  76710


 



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Re: SYSTEM NETID update

[Frank M. Ramaekers]

That's what I was thinking, just wanted to confirm.

Thanks!

Frank M. Ramaekers Jr.
Systems Programmer   MCP, MCP+I, MCSE & RHCE
American Income Life Insurance Co.   Phone: (254)761-6649
1200 Wooded Acres Dr.Fax:   (254)741-5777
Waco, Texas  76710


 


-Original Message-
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Thomas Kern
Sent: Monday, November 02, 2009 2:04 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: SYSTEM NETID update

I update the SYSTEM NETID file on the 0190, the 0490 and any other
S-Disks
that I have to have available. You need to save the 'CMS' namesys
segment
for each S-disk you modify. If you just have the 0190 & 0490, then just
resave CMS.

/Tom Kern


On Mon, 2 Nov 2009 13:09:06 -0600, Frank M. Ramaekers
 wrote:

>Okay, I'm having a hard time finding out the proper way to update this
>(contained on the 190 S-disk).   I updated it once and then RSU'ed to
>0902 and lost it somewhere in the process.
>
>I found one service manual that stated that the information to update
>the SYSTEM NETID was moved to the "zVM: Guide to Automated Installation
>and Service".  Well, this manual is next to impossible to find.  In can
>find it in the Library link on the VM home page.   I did manage to get
a
>hard copy of it awhile back (don't remember where I found it), but
can't
>seem to find the SYSTEM NETID.  (It's not in the table of contents nor
>the index.)
>
>I could just update the one on the 190 disk, but then, I'm afraid, it
>will revert the next time I do maintenance.
>
>TIA,
>
>Frank M. Ramaekers Jr.
>Systems Programmer   MCP, MCP+I, MCSE & RHCE
>American Income Life Insurance Co.   Phone: (254)761-6649
>1200 Wooded Acres Dr.Fax:   (254)741-5777
>Waco, Texas  76710

_
This message contains information which is privileged and confidential and is 
solely for the use of the
intended recipient. If you are not the intended recipient, be aware that any 
review, disclosure,
copying, distribution, or use of the contents of this message is strictly 
prohibited. If you have
received this in error, please destroy it immediately and notify us at 
privacy...@ailife.com.

Re: SYSTEM NETID update

[O'Brien, Dennis L]

Frank,
Update SYSTEM NETID on MAINT 490.  PUT2PROD copies the 490 to the 190
after the S-disk is serviced.  If you need to change SYSTEM NETID and
don't have any service to apply, make the update on both disks.

 
Dennis  

"Of all tyrannies, a tyranny exercised for the good of its victims may
be the most oppressive. It may be better to live under robber barons
than omnipotent moral busybodies. The robber baron's cruelty may
sometimes sleep, his cupidity may at some point be satiated; but those
who torment us for our own good will torment us without end, for they do
so with the approval of their own conscience."
  -- C.S. Lewis
 
-Original Message-
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Frank M. Ramaekers
Sent: Monday, November 02, 2009 11:09
To: IBMVM@LISTSERV.UARK.EDU
Subject: [IBMVM] SYSTEM NETID update

Okay, I'm having a hard time finding out the proper way to update this
(contained on the 190 S-disk).   I updated it once and then RSU'ed to
0902 and lost it somewhere in the process.

I found one service manual that stated that the information to update
the SYSTEM NETID was moved to the "zVM: Guide to Automated Installation
and Service".  Well, this manual is next to impossible to find.  In can
find it in the Library link on the VM home page.   I did manage to get a
hard copy of it awhile back (don't remember where I found it), but can't
seem to find the SYSTEM NETID.  (It's not in the table of contents nor
the index.)

I could just update the one on the 190 disk, but then, I'm afraid, it
will revert the next time I do maintenance.

TIA,

Frank M. Ramaekers Jr.
Systems Programmer   MCP, MCP+I, MCSE & RHCE
American Income Life Insurance Co.   Phone: (254)761-6649
1200 Wooded Acres Dr.Fax:   (254)741-5777
Waco, Texas  76710


 



_

This message contains information which is privileged and confidential
and is solely for the use of the

intended recipient. If you are not the intended recipient, be aware that
any review, disclosure,

copying, distribution, or use of the contents of this message is
strictly prohibited. If you have

received this in error, please destroy it immediately and notify us at
privacy...@ailife.com.

Re: SYSTEM NETID update

[Thomas Kern]

I update the SYSTEM NETID file on the 0190, the 0490 and any other S-Disk
s
that I have to have available. You need to save the 'CMS' namesys segment

for each S-disk you modify. If you just have the 0190 & 0490, then ju
st
resave CMS.

/Tom Kern


On Mon, 2 Nov 2009 13:09:06 -0600, Frank M. Ramaekers
 wrote:

>Okay, I'm having a hard time finding out the proper way to update this
>(contained on the 190 S-disk).   I updated it once and then RSU'ed to
>0902 and lost it somewhere in the process.
>
>I found one service manual that stated that the information to update
>the SYSTEM NETID was moved to the "zVM: Guide to Automated Installation
>and Service".  Well, this manual is next to impossible to find.  In can
>find it in the Library link on the VM home page.   I did manage to get a

>hard copy of it awhile back (don't remember where I found it), but can't

>seem to find the SYSTEM NETID.  (It's not in the table of contents nor
>the index.)
>
>I could just update the one on the 190 disk, but then, I'm afraid, it
>will revert the next time I do maintenance.
>
>TIA,
>
>Frank M. Ramaekers Jr.
>Systems Programmer   MCP, MCP+I, MCSE & RHCE
>American Income Life Insurance Co.   Phone: (254)761-6649
>1200 Wooded Acres Dr.Fax:   (254)741-5777
>Waco, Texas  76710

Re: VMRMSVM - z/VM Resource Manager

[Bill Munson]

Terry,

I am not using SFS or DIRMAINT here - 
I think that IBM VM Director is or was part of those products Tracy Dean 
mentioned. 

I started up VMRMSVM to use CMM and the config file is on the 191 mdisk 
and I log on to make changes.
I also log on to maint and update the USER DIRECT on the 2cc mdisk and 
then use DIRECTXA 

I got help setting up VMRMSVM from that IBM web site at the link I sent 
you and a presentation from Chris Casey of IBM . 
 
good luck

Bill Munson 
Sr. z/VM Systems Programmer 
Brown Brothers Harriman & CO.
525 Washington Blvd. 
Jersey City, NJ 07310 
201-418-7588

President MVMUA
http://www2.marist.edu/~mvmua/
http://www.linkedin.com/in/BillMunson




"Martin, Terry R. (CMS/CTR) (CTR)"  
Sent by: The IBM z/VM Operating System 
11/02/2009 02:01 PM
Please respond to
The IBM z/VM Operating System 


To
IBMVM@LISTSERV.UARK.EDU
cc

Subject
Re: VMRMSVM - z/VM Resource Manager






HI Bill,

So the CONFIG file for VMRMSVM does not need to be on SFS even if you
want the ability to change the configuration dynamically?

BTW, I am not using DIRMAINT or anything like that to administer the
Directory I am using DIRECTXA is that considered IBM VM DIRECTOR? 

Thank You,
 
Terry Martin
Lockheed Martin - Information Technology
z/OS & z/VM Systems - Performance and Tuning
Cell - 443 632-4191
Work - 410 786-0386
terry.mar...@cms.hhs.gov
 
WFH Tuesdays and Fridays

-Original Message-
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Bill Munson
Sent: Monday, November 02, 2009 11:09 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: VMRMSVM - z/VM Resource Manager

Terry,

Nobody has said this but VMRMSVM does not need SFS to run like DFSMS
does. 

But there is some documentation that says to use SFS if you are using
IBM 
VM Director. 
and the files needed are on Maint's 193 mdisk

http://www.vm.ibm.com/sysman/vmrm/vmrmcmm.html

Bill Munson 
Sr. z/VM Systems Programmer 
Brown Brothers Harriman & CO.
525 Washington Blvd. 
Jersey City, NJ 07310 
201-418-7588

President MVMUA
http://www2.marist.edu/~mvmua/
http://www.linkedin.com/in/BillMunson




"Martin, Terry R. (CMS/CTR) (CTR)"  
Sent by: The IBM z/VM Operating System 
10/30/2009 08:33 PM
Please respond to
The IBM z/VM Operating System 


To
IBMVM@LISTSERV.UARK.EDU
cc

Subject
Re: VMRMSVM - z/VM Resource Manager






Thanks Ed. I am not running SFS and I understand that VMRM requires the 
config file to be under SFS control is this correct?  Also the only
thing 
that came on the A disk for the VMRMSVM user was the PROFILE EXEC. I
read 
that there should be a sample config file as well as some other files on

the A disk also, is there another place theses file can be found? 
 
Thank You,
 
Terry Martin
Lockheed Martin - Information Technology
z/OS & z/VM Systems - Performance and Tuning
Cell - 443 632-4191
Work - 410 786-0386
terry.mar...@cms.hhs.gov
 
WFH Tuesdays and Fridays

From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On 
Behalf Of Ed Neidhardt
Sent: Friday, October 30, 2009 12:19 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: VMRMSVM - z/VM Resource Manager
 
Terry,
I've been using it for around 10 months now at one of my customers and
it 
appears to be doing the job. Their environment experiences huge CPU
spikes 
during it's month end processing (4-6 days of 95-100%, where normally
CPU 
is around 40%).  They are using Focus to produce a large number of
reports 
from databases with several million records in each. 
 
Before trying VMRMSVM the operators where busy adjusting relative shares

during month end to keep the VSE nightly batch cycle from running over, 
while also trying to keep the Focus machines processing to meet their 
deadline.  We tried various combinations of relative and absolute
shares, 
but were never able to get the right mix to meet everyone's deadlines.
The 
problems were: month end started on different days of the week (each day

has it's unique processing), the amount of data being processed varied
by 
hundred's of thousands records, and the mix of Focus runs would change 
(quarter end, year end, etc) 
 
Getting a larger z9 or using capacity on demand (on a monthly basis)
were 
too costly to do, especially with the much lower utilization during the 
rest of the month.
 
Using VMRMSVM to adjust the relative appears to help because both the
VSE 
and the Focus workloads are getting finished before their deadline.  The

operators are no longer allowed to adjust the relative shares and I'm
not 
getting calls in the night about VSE or Focus jobs being too slow. 
 
I don't profess to fully understand VMRMSVM, but here are some 
observations I've found while using this:
1) Put all your zVM machines under it's control (there are some
exceptions 
like VMRMSVM, PERFSVM, and there could be others in your case).  VMRMSVM

appears to do a better job balancing when it sees all the work not just
a 
small group of machines.
 
2) Place each of the heavy CPU machines in their own group. 

SYSTEM NETID update

[Frank M. Ramaekers]

Okay, I'm having a hard time finding out the proper way to update this
(contained on the 190 S-disk).   I updated it once and then RSU'ed to
0902 and lost it somewhere in the process.

I found one service manual that stated that the information to update
the SYSTEM NETID was moved to the "zVM: Guide to Automated Installation
and Service".  Well, this manual is next to impossible to find.  In can
find it in the Library link on the VM home page.   I did manage to get a
hard copy of it awhile back (don't remember where I found it), but can't
seem to find the SYSTEM NETID.  (It's not in the table of contents nor
the index.)

I could just update the one on the 190 disk, but then, I'm afraid, it
will revert the next time I do maintenance.

TIA,

Frank M. Ramaekers Jr.
Systems Programmer   MCP, MCP+I, MCSE & RHCE
American Income Life Insurance Co.   Phone: (254)761-6649
1200 Wooded Acres Dr.Fax:   (254)741-5777
Waco, Texas  76710


 



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Re: VMRMSVM - z/VM Resource Manager

[Martin, Terry R. (CMS/CTR) (CTR)]

HI Bill,

So the CONFIG file for VMRMSVM does not need to be on SFS even if you
want the ability to change the configuration dynamically?

BTW, I am not using DIRMAINT or anything like that to administer the
Directory I am using DIRECTXA is that considered IBM VM DIRECTOR?   

Thank You,
 
Terry Martin
Lockheed Martin - Information Technology
z/OS & z/VM Systems - Performance and Tuning
Cell - 443 632-4191
Work - 410 786-0386
terry.mar...@cms.hhs.gov
 
WFH Tuesdays and Fridays

-Original Message-
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Bill Munson
Sent: Monday, November 02, 2009 11:09 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: VMRMSVM - z/VM Resource Manager

Terry,

Nobody has said this but VMRMSVM does not need SFS to run like DFSMS
does. 

But there is some documentation that says to use SFS if you are using
IBM 
VM Director. 
and the files needed are on Maint's 193 mdisk

http://www.vm.ibm.com/sysman/vmrm/vmrmcmm.html

Bill Munson 
Sr. z/VM Systems Programmer 
Brown Brothers Harriman & CO.
525 Washington Blvd. 
Jersey City, NJ 07310 
201-418-7588

President MVMUA
http://www2.marist.edu/~mvmua/
http://www.linkedin.com/in/BillMunson




"Martin, Terry R. (CMS/CTR) (CTR)"  
Sent by: The IBM z/VM Operating System 
10/30/2009 08:33 PM
Please respond to
The IBM z/VM Operating System 


To
IBMVM@LISTSERV.UARK.EDU
cc

Subject
Re: VMRMSVM - z/VM Resource Manager






Thanks Ed. I am not running SFS and I understand that VMRM requires the 
config file to be under SFS control is this correct?  Also the only
thing 
that came on the A disk for the VMRMSVM user was the PROFILE EXEC. I
read 
that there should be a sample config file as well as some other files on

the A disk also, is there another place theses file can be found? 
 
Thank You,
 
Terry Martin
Lockheed Martin - Information Technology
z/OS & z/VM Systems - Performance and Tuning
Cell - 443 632-4191
Work - 410 786-0386
terry.mar...@cms.hhs.gov
 
WFH Tuesdays and Fridays

From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On 
Behalf Of Ed Neidhardt
Sent: Friday, October 30, 2009 12:19 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: VMRMSVM - z/VM Resource Manager
 
Terry,
I've been using it for around 10 months now at one of my customers and
it 
appears to be doing the job. Their environment experiences huge CPU
spikes 
during it's month end processing (4-6 days of 95-100%, where normally
CPU 
is around 40%).  They are using Focus to produce a large number of
reports 
from databases with several million records in each. 
 
Before trying VMRMSVM the operators where busy adjusting relative shares

during month end to keep the VSE nightly batch cycle from running over, 
while also trying to keep the Focus machines processing to meet their 
deadline.  We tried various combinations of relative and absolute
shares, 
but were never able to get the right mix to meet everyone's deadlines.
The 
problems were: month end started on different days of the week (each day

has it's unique processing), the amount of data being processed varied
by 
hundred's of thousands records, and the mix of Focus runs would change 
(quarter end, year end, etc) 
 
Getting a larger z9 or using capacity on demand (on a monthly basis)
were 
too costly to do, especially with the much lower utilization during the 
rest of the month.
 
Using VMRMSVM to adjust the relative appears to help because both the
VSE 
and the Focus workloads are getting finished before their deadline.  The

operators are no longer allowed to adjust the relative shares and I'm
not 
getting calls in the night about VSE or Focus jobs being too slow. 
 
I don't profess to fully understand VMRMSVM, but here are some 
observations I've found while using this:
1) Put all your zVM machines under it's control (there are some
exceptions 
like VMRMSVM, PERFSVM, and there could be others in your case).  VMRMSVM

appears to do a better job balancing when it sees all the work not just
a 
small group of machines.
 
2) Place each of the heavy CPU machines in their own group. VMRM checks 
the CPU run/wait deltas proportion of  all the machines in a group. One 
heavy CPU machine in a group will cause the group to exceed it's goals. 
VMRM then starts adjusting the relative shares downward for all the 
machines in the group, particularly the heavy CPU machine.   With some
of 
the Focus runs going for 8 hours or more I saw some relative shares of 1

which was a bit of shock.  I found I needed to have 15-20 groups 
altogether with 10 of those being single machine groups
 
3) I used the option of being able to dynamically change configurations.
I 
did this to reduce the goals for the Focus processing during the nightly

VSE batch work. When the VSE work finishes, I raise the goals again.
 
4) It's been an iterative process  of setting goals and mixing (or 
separating) machines.
 
5) I don't normally see much, if any change in the relative share values

VMRM sets when the z9 is

Re: Does zVM 5.2 support z/OS 1.10 or z/OS 1.11

[O'Brien, Dennis L]

Anson,

z/VM 5.2.0 is out of support from IBM, so it doesn’t officially “support” 
anything.  If it works, it works, but if it doesn’t, you won’t be able to open 
a problem call.  z/VM 5.2.0 went out of support on 30 Apr 2009.  If those z/OS 
releases came out before that time, there’s a good chance they were tested on 
z/VM 5.2.0.  If they came out after that, they probably weren’t.

 


Dennis O’Brien

"Of all tyrannies, a tyranny exercised for the good of its victims may be the 
most oppressive. It may be better to live under robber barons than omnipotent 
moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity 
may at some point be satiated; but those who torment us for our own good will 
torment us without end, for they do so with the approval of their own 
conscience."
  -- C.S. Lewis
  

From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf 
Of Anson
Sent: Saturday, October 31, 2009 23:53
To: IBMVM@LISTSERV.UARK.EDU
Subject: [IBMVM] Does zVM 5.2 support z/OS 1.10 or z/OS 1.11

 

Hi,

 

I didn't find such kind of information. Do you have any idea? Thank you!

 



好玩贺卡等你发，邮箱贺卡全新上线！ 
 

Re: Questions - zVM Limits/Hardware Support

[Hall, Ken (GTS)]

50% of volume capacity, according to the documents.  I/O rate is a whole
different issue.

-Original Message-
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Gary M. Dennis
Sent: Monday, November 02, 2009 10:18 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: [IBMVM] Questions - zVM Limits/Hardware Support

Extremely useful. The limits document by by Bill Bitner and another by
the
same author on performance are great resources.

If you attempted to configure a VM system with 700 active users each
having
an average working set of 8GB each what kind of train wreck could that
create?  All recommendations I see call for keeping the virtual to real
ratio <3:1 and I wonder what would happen in this case.  I note that VM
has
been tested to the 1TB real level.

If the max number of paging volumes is 255 but you should keep the
utilization for of each device at 50% for optimal performance, what does
that mean?  Are we talking 50% of the potential sustained I/O rate for
the
device or 50% of physical capacity.  If the latter, that pushes the
paging
cap down to 5.6/7.95.

What transmission limits are imposed by ISFC? When would the CTC link
max
out? Could a very high activity IUCV communications link function well
over
ISFC?

--.  .-  .-.  -.--

Gary Dennis
Mantissa Corporation

0 ... living between the zeros... 0

On 10/28/09 4:06 PM, "Alan Altmark"  wrote:

> On Wednesday, 10/28/2009 at 04:28 EDT, "Gar over ISFC? M. Dennis"
>  wrote:
> 
>> What is the maximum page space supported by zVM?
>> 
>> What is the supported real storage limit for the hardware and for VM
> itself?
> 
> Max page space:
> - For ECKD: 11.2 TB
> - For FCP:  15.9 TB  (emulated FBA on SCSI)
> Note that optimal performance requires that you keep utilization of
each
> device to < 50%.
> 
> Memory limits:
> - z/VM supports an LPAR up to 256 GB in size
> - The amount of memory on the box and in an LPAR depends on the hw
> - Biggest z10 has up to 1.5 TB memory and a the largest LPAR can be
1.0 TB
> 
> You can find these and other z/VM limits in Bill Bitner's "z/VM
Limits"
> presentation at
> http://www.vm.ibm.com/devpages/bitner/presentations/vmlimits.pdf
>  
>> What is the highest total sustained I/O rate you have witnessed on a
VM
>> system?
> 
> I have heard rumors of a z/VM paging rate of > 200K pages/second on a
> robust I/O subsystem, but I don't know if that's what you're referring
to.
>  Guest I/O data rates are a function of access to the CPU and the size
of
> the I/O operation, so "it depends."
> 
>> I see from an BM presentation that support is available for simulated
> guest
>> coupling. Does zVM support a real coupler facility for intersystem
(VM
>> SYSTEMS) communications?
> 
> z/VM does not use and does not allow guest access to the real Coupling
> Facility.  z/VM's native intersystem comms mechanism is ISFC, based on
> CTCs.
> 
> Alan Altmark
> z/VM Development
> IBM Endicott
> 


--.  .-  .-.  -.--

Gary Dennis
Mantissa Corporation

0 ... living between the zeros... 0

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Re: VMRMSVM - z/VM Resource Manager

[Bill Munson]

Terry,

Nobody has said this but VMRMSVM does not need SFS to run like DFSMS does. 

But there is some documentation that says to use SFS if you are using IBM 
VM Director. 
and the files needed are on Maint's 193 mdisk

http://www.vm.ibm.com/sysman/vmrm/vmrmcmm.html

Bill Munson 
Sr. z/VM Systems Programmer 
Brown Brothers Harriman & CO.
525 Washington Blvd. 
Jersey City, NJ 07310 
201-418-7588

President MVMUA
http://www2.marist.edu/~mvmua/
http://www.linkedin.com/in/BillMunson




"Martin, Terry R. (CMS/CTR) (CTR)"  
Sent by: The IBM z/VM Operating System 
10/30/2009 08:33 PM
Please respond to
The IBM z/VM Operating System 


To
IBMVM@LISTSERV.UARK.EDU
cc

Subject
Re: VMRMSVM - z/VM Resource Manager






Thanks Ed. I am not running SFS and I understand that VMRM requires the 
config file to be under SFS control is this correct?  Also the only thing 
that came on the A disk for the VMRMSVM user was the PROFILE EXEC. I read 
that there should be a sample config file as well as some other files on 
the A disk also, is there another place theses file can be found? 
 
Thank You,
 
Terry Martin
Lockheed Martin - Information Technology
z/OS & z/VM Systems - Performance and Tuning
Cell - 443 632-4191
Work - 410 786-0386
terry.mar...@cms.hhs.gov
 
WFH Tuesdays and Fridays

From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On 
Behalf Of Ed Neidhardt
Sent: Friday, October 30, 2009 12:19 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: VMRMSVM - z/VM Resource Manager
 
Terry,
I've been using it for around 10 months now at one of my customers and it 
appears to be doing the job. Their environment experiences huge CPU spikes 
during it's month end processing (4-6 days of 95-100%, where normally CPU 
is around 40%).  They are using Focus to produce a large number of reports 
from databases with several million records in each. 
 
Before trying VMRMSVM the operators where busy adjusting relative shares 
during month end to keep the VSE nightly batch cycle from running over, 
while also trying to keep the Focus machines processing to meet their 
deadline.  We tried various combinations of relative and absolute shares, 
but were never able to get the right mix to meet everyone's deadlines. The 
problems were: month end started on different days of the week (each day 
has it's unique processing), the amount of data being processed varied by 
hundred's of thousands records, and the mix of Focus runs would change 
(quarter end, year end, etc) 
 
Getting a larger z9 or using capacity on demand (on a monthly basis) were 
too costly to do, especially with the much lower utilization during the 
rest of the month.
 
Using VMRMSVM to adjust the relative appears to help because both the VSE 
and the Focus workloads are getting finished before their deadline.  The 
operators are no longer allowed to adjust the relative shares and I'm not 
getting calls in the night about VSE or Focus jobs being too slow. 
 
I don't profess to fully understand VMRMSVM, but here are some 
observations I've found while using this:
1) Put all your zVM machines under it's control (there are some exceptions 
like VMRMSVM, PERFSVM, and there could be others in your case).  VMRMSVM 
appears to do a better job balancing when it sees all the work not just a 
small group of machines.
 
2) Place each of the heavy CPU machines in their own group. VMRM checks 
the CPU run/wait deltas proportion of  all the machines in a group. One 
heavy CPU machine in a group will cause the group to exceed it's goals. 
VMRM then starts adjusting the relative shares downward for all the 
machines in the group, particularly the heavy CPU machine.   With some of 
the Focus runs going for 8 hours or more I saw some relative shares of 1 
which was a bit of shock.  I found I needed to have 15-20 groups 
altogether with 10 of those being single machine groups
 
3) I used the option of being able to dynamically change configurations. I 
did this to reduce the goals for the Focus processing during the nightly 
VSE batch work. When the VSE work finishes, I raise the goals again.
 
4) It's been an iterative process  of setting goals and mixing (or 
separating) machines.
 
5) I don't normally see much, if any change in the relative share values 
VMRM sets when the z9 is lightly loaded.
 
Ed Neidhardt
Mainline Information Systems, Inc.
770-321-0841 Office
ed.neidha...@mainline.com
 
- Original Message - 
From: Martin, Terry R. (CMS/CTR) (CTR) 
To: IBMVM@LISTSERV.UARK.EDU 
Sent: Thursday, October 29, 2009 8:06 PM
Subject: VMRMSVM - z/VM Resource Manager
 
Hi,
 
I am looking at implementing VMRM. I was wondering if you use it and if it 
is working as advertised?  I want to mainly use it for managing the 
priority of my different workloads running in z/Linux. I am familiar with 
the goal concept from WLM on the z/OS side so I understand the principle 
behind it but I just wanted to know from those who use it how it is 
working. Also any specifics on setting it up in term

Re: Questions - zVM Limits/Hardware Support

[Gary M. Dennis]

Extremely useful. The limits document by by Bill Bitner and another by the
same author on performance are great resources.

If you attempted to configure a VM system with 700 active users each having
an average working set of 8GB each what kind of train wreck could that
create?  All recommendations I see call for keeping the virtual to real
ratio <3:1 and I wonder what would happen in this case.  I note that VM has
been tested to the 1TB real level.

If the max number of paging volumes is 255 but you should keep the
utilization for of each device at 50% for optimal performance, what does
that mean?  Are we talking 50% of the potential sustained I/O rate for the
device or 50% of physical capacity.  If the latter, that pushes the paging
cap down to 5.6/7.95.

What transmission limits are imposed by ISFC? When would the CTC link max
out? Could a very high activity IUCV communications link function well over
ISFC?

--.  .-  .-.  -.--

Gary Dennis
Mantissa Corporation

0 ... living between the zeros... 0

On 10/28/09 4:06 PM, "Alan Altmark"  wrote:

> On Wednesday, 10/28/2009 at 04:28 EDT, "Gar over ISFC? M. Dennis"
>  wrote:
> 
>> What is the maximum page space supported by zVM?
>> 
>> What is the supported real storage limit for the hardware and for VM
> itself?
> 
> Max page space:
> - For ECKD: 11.2 TB
> - For FCP:  15.9 TB  (emulated FBA on SCSI)
> Note that optimal performance requires that you keep utilization of each
> device to < 50%.
> 
> Memory limits:
> - z/VM supports an LPAR up to 256 GB in size
> - The amount of memory on the box and in an LPAR depends on the hw
> - Biggest z10 has up to 1.5 TB memory and a the largest LPAR can be 1.0 TB
> 
> You can find these and other z/VM limits in Bill Bitner's "z/VM Limits"
> presentation at
> http://www.vm.ibm.com/devpages/bitner/presentations/vmlimits.pdf
>  
>> What is the highest total sustained I/O rate you have witnessed on a VM
>> system?
> 
> I have heard rumors of a z/VM paging rate of > 200K pages/second on a
> robust I/O subsystem, but I don't know if that's what you're referring to.
>  Guest I/O data rates are a function of access to the CPU and the size of
> the I/O operation, so "it depends."
> 
>> I see from an BM presentation that support is available for simulated
> guest
>> coupling. Does zVM support a real coupler facility for intersystem (VM
>> SYSTEMS) communications?
> 
> z/VM does not use and does not allow guest access to the real Coupling
> Facility.  z/VM's native intersystem comms mechanism is ISFC, based on
> CTCs.
> 
> Alan Altmark
> z/VM Development
> IBM Endicott
> 


--.  .-  .-.  -.--

Gary Dennis
Mantissa Corporation

0 ... living between the zeros... 0

Re: Fed-Up With IBM Support!

[Dave Yarris]

I feel your pain!  I too remember those days and have had many of the 
experiences in recent history.  Some time ago I forgot my password to 
ShopzSeries and tried to find some way to reset for a new password.  After 
looking all over the website I found nothing.  Eventually I tried to call 
and ended up with someonemore than once with redirected phone 
numbers..that obviously had limited command of English and scripted 
troubleshooting procedures.  Repeated attempts to explain what I wanted 
was total frustration and I ended up just hanging up.  No ShopzSeries that 
day!  I finally called my local rep and asked if he could solve the 
mystery.  The answer was.go to the Resource Link web page and do 
it there!  Now, why didn't I think of that!?!  There was no hintno 
clue.

Dave 




From:
Michael Coffin 
To:
IBMVM@LISTSERV.UARK.EDU
Date:
10/27/2009 11:32 AM
Subject:
Fed-Up With IBM Support!
Sent by:
The IBM z/VM Operating System 



< VENT >
 
You know what, I recall a day when IBMLINK ran on 3270 terminals and when 
you entered search criteria on a problem you'd ONLY get VALID responses 
for your OS and problem (not 3,000,000 keyword hits 99.99% of them 
having NOTHING to do with your OS or your problem!).  I recall a day when 
you would call IBM Software Support at 1-800-237-5511 (burned into my 
memory from over 20 years of calling), immediately connect to KNOWLEDGABLE 
professionals who could quickly help you identify if your problem was 
known/existing or open a new problem report, and this was all done in 
clear, easily understood English!
 
Now we have IBMLink 2000, ServiceLink, Passport/Advantage, ShopzSeries, 
etc. etc. etc. etc.  Each of which seems to require its own 
userid/password combination, and none of which is "simple" or "easy" to 
use!
 
I have spent the past TWO HOURS trying to open a software support ticket 
using IBM.com, and am now going to GIVE UP and use the phone the "old 
fashioned way". 
1.  I sign in to "IBMLINK 2000" using my userid and password.
2.  I searched for any records associated with my existing problem 
(TCPIP abending, FWIW) - no recent hits.
3.  I tried to open a Service Request.  That takes you to a screen 
where you have to enter your "IBM ID" and password, which is not your 
"IBMLINK ID" and password.
4.  I call the IBMLINK Help Desk at 1-800-543-3912 to figure out WHAT 
IBM ID it is asking for.  They take my name and phone number and tell me 
"someone will call you back".  I guess it would be TOO efficient to let me 
talk to someone immediately! 
5.  Someone from IBM (IBMLINK Help Desk) calls me back.  We walk 
through the exact same process I went through above until I am asked for 
my "IBM ID" again.  He looks it up and tells me what it is.  I enter THAT 
id and password only to have the website come back and tell me I'm not 
authorized to do anything (even though I am the ONLY registered user on 
this account!).  I ask him to fix the account.  He tells me I need to call 
the Software Support Help Desk at 1-800-426-7378, options 2-2. 
6.  I call the Software Support Help Desk using the options provided. 
We very quickly discover this is NOT the right number to call for problems 
with "Passport/Advantage".  It's the software defect support numbe (e.g. 
what formerly was on 800-237-5511).   The IBM'er gives me that phone 
number.
7.  I call IBM Passport/Advantage Help Desk at 1-800-978-2246.  I 
describe my problem to the IBMer.  He tells me IBM Passport/Advantage does 
not provide Help over the phone and that I must go to 
www.ibm.com/software/support to get the problem with my Passport/Advantage 
account authorizations straightened out.
8.  I go to www.ibm.com/software/support - this is not a web page to 
request Passport/Advantage support!  It's yet another "search" page!  The 
only reference to Passport/Advantage on this page is under "Buying and 
managing support", which is basically a page to convince you to buy 
Passport/Advantage!!!
I give up!
 
For crying out loud IBM, can't you have a SINGLE sign-on for a customer to 
be able to access ALL of the services/entitlements that they've paid for? 
Why do I need an IBMLINK id/pw, an "IBM" (presumably Passport/Advantage - 
although that's NOT what I'm prompted to enter!) id/pw, a "ShopzSeries" 
id/pw!  And when all of these accounts get out of synch, how about ONE 
support phone number with ONE knowledgable professional who can RESOLVE 
the problem FULLY, instead of bouncing customers around from phone number 
to phone number, ultimately being directed to a web page that doesn't 
exist!  Geez!!!
 
Sorry folks, I just had to vent. !!!
 
< /VENT >
 
-Mike

Re: SFS information

[Tracy Dean]

On Fri, 30 Oct 2009 21:51:10 -0400, Martin, Terry R. (CMS/CTR) (CTR) 
 wrote:

>Hi
>
> 
>
>I want to start using SFS what manuals best describe how to configure
>and implement SFS fro z/VM 5.3?
>

Terry,
I've recently published a short paper on setting up an SFS server, 
since I usually recommend that customers use SFS to manage the 
configuration files for one of my products.  

http://www.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/WP101576

Some of the paper is specific to putting the Operations Manager config 

files in SFS, but one section is focused on the steps necessary to 
create a new SFS server and file pool.

Of course the CMS File Pool Planning books is still essential for 
management of SFS, but the paper is useful for a short list of steps 
necessary to get an SFS server up and running.

Tracy Dean
IBM