Dougherty, Margaret is out of the office.

[Margaret Dougherty]

I will be out of the office starting  05/14/2009 and will not return until 
05/15/2009.

I will respond to your message when I return.

*** IMPORTANT
NOTE* The opinions expressed in this
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Nothing in the message is capable or intended to create any legally
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damage from its use, including damage from virus.

Re: Virtualized Desktop

[David Boyes]

Mono is already ported (thanks to the ever-brilliant Neale Ferguson).


Didn't Evolution used to be open source?  Did Novell make it closed source when 
they took over Ximian?  If it's open source, then it should be possible to get 
someone to port Mono (which is open source) and Evolution (which is written in 
Mono) to S390x.  That's the advantage of open source.

Re: SSL Encryption For TN3270

[Dave Keeton]

Thanks, everyone, for the comments. I was able to get it working after a
couple of days of head-scratching. The biggest thing that threw me for a
loop was the "TLS Label" in PROFILE TCPIP. I couldn't figure out exactly
what it was asking for - and it evidently does NOT like you to use the
System Name for the label. I used an arbitrary name and things fire up
and worked - x3270 is using the Telnet over SSL port, 992. Happy days
are here again!

Thanks again,
Dave


-Original Message-
From: William Moy 
Reply-to: The IBM z/VM Operating System 
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: SSL Encryption For TN3270
Date: Wed, 13 May 2009 11:00:50 -0400



Hi Dave,



I am able to get secure connections using x3270 on linux using
L::992 as well as Passport connections to port 992. My
stack's PROFILE TCPIP is configured for INTERNALCLIENTPARMS and
for my SSL server, SSLSRV0B, as below. Do you have all of the
available service applied to the TCPIP and SSLSERV modules? 

AUTOLOG
SSLSRV0B 0
ENDAUTOLOG
..
PORT
992 TCP INTCLIEN SECURE TCPIP0B
..
SSLSERVERID SSLSRV0B
..
INTERNALCLIENTPARMS
PORT 992
ENDINTERNALCLIENTPARMS

Best Regards,
Bill Moy

Re: Virtualized Desktop

[Patrick Spinler]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

> On 5/13/2009 at  4:13 PM, "Ward, Mike S"  wrote: 
> In this
> environment would SUSE linux work? And would they be able to use Ximian
> and Evolution to connect to an exchange server for email/calendar and
> those type of office functions?

This guy:

  http://davelargo.blogspot.com/

is doing essentially what you propose, albeit on distributed X86 servers
instead of Z servers.  This is for the city of Largo, Florida.
Apparently he has hundreds of simultaneous online users, to which he and
his coworkers provide at least evolution, openoffice, and firefox.  All
the users run thin clients.

- -- Pat



-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.9 (Darwin)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iEYEARECAAYFAkoLT/oACgkQNObCqA8uBsxhRwCfcNEa0kR3qdpNaeYOxu//8s4k
2AYAoIzqTMgadp6DJfGxlcNFNdrKhbsf
=dswT
-END PGP SIGNATURE-

Re: Virtualized Desktop

[Matthew Donald]

Further thoughts.

* I've never tried to use desktop components for SUSE or Redhat on S390X.  I
think you would have to do some checking to make sure they available.

* I've looked up some old docs, and configuring a multi-user Linux desktop
required 4MB per user

* If I were you, I would simply setup a new Linux guest, install SUSE and
play.  You would be able to get a lot of sizing info pretty simply.

Matthew

On Thu, May 14, 2009 at 7:39 AM, Matthew Donald
wrote:

> SUSE linux would work fine in this sort of environment, but it would need
> to have the desktop customised considerably to remove any 'single user'
> gadgets and the like.  As noted above there may be issues getting Evolution
> on S390x.  Also, Evolution and the Ximian desktop are coded in Mono, which
> give you memory issues similar to Java.
>
> Didn't Evolution used to be open source?  Did Novell make it closed source
> when they took over Ximian?  If it's open source, then it should be possible
> to get someone to port Mono (which is open source) and Evolution (which is
> written in Mono) to S390x.  That's the advantage of open source.
>
> Matthew
>
>
> On Thu, May 14, 2009 at 6:13 AM, Ward, Mike S  wrote:
>
>>  Wow it does give me food for thought. Sounds like you’re well versed in
>> these types of environments. Another question if you don’t mind. In this
>> environment would SUSE linux work? And would they be able to use Ximian and
>> Evolution to connect to an exchange server for email/calendar and those type
>> of office functions?
>>
>>
>>
>> *From:* The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] *On
>> Behalf Of *Matthew Donald
>> *Sent:* Wednesday, May 13, 2009 2:07 PM
>> *To:* IBMVM@LISTSERV.UARK.EDU
>> *Subject:* Re: Virtualized Desktop
>>
>>
>>
>> Firstly, you need to know the expected environment before you can work out
>> anything.  Lets assume that you want to provide Firefox for browsing, Lotus
>> Notes for email, Symphony for office and x3270 for mainframe access.  All of
>> these run under Linux and, in addition, Notes and Symphony are Eclipse-based
>> which means JVM's.
>>
>> What I *wouldn't* do is give each user a separate Linux guest.  I'd
>> probably look at around 4 Linux guests.  These guest would have all 1000
>> users logged onto them.
>>
>> One guest would provide the desktop.  That is, every user would log onto a
>> single guest using X-Windows and maybe Gnome (but I'd look at Enlightenment
>> as it has a lower memory footprint).  The desktop would have icons for
>> Notes, Symphony etc. Clicking an icon would run a remote app on one of the
>> other guests.  Any user running Firefox or x3270 would run the app on this
>> guest.
>>
>> A second guest would run Notes.  Every time a user clicked the Notes icon,
>> it would start it would start the Notes app on the second guest.
>>
>> The third and fourth guests would have Symphony workload spread between
>> them.  When a user clicked the Symphony icon, half would run the app on the
>> third guest and half on the fourth guest.
>>
>> Essentially, the model is to have the basic desktop and the non-java apps
>> on one guest and the java workload spread over the other three guests.
>>
>> I know a config along these lines would work, since the State of Florida
>> did something like this in the late-90's.  They were using four 8-way Intel
>> P3 boxes running Linux with Netscape, Wordperfect and Quattro. I'm pretty
>> sure they were supporting more than 1000 users.
>>
>> As to resources, I don't know of any benchmarks, so the following is based
>> on my experience with z/VM +z/Linux + Websphere.  My gut feel is that you
>> could probably run this sort of workload with 4 IFL's and somewhere between
>> 96G and 128G, depending on the number of simultaneous users.  I may be
>> over-estimating the CPU workload.  Most of the memory requirement would be
>> for JVM's.  I'd allow somewhere between 128M and 256M per JVM.  So long as
>> the GC was running no more frequently than every 8 seconds or so and each GC
>> run was freeing at least 30% of the heap on each run then the sizing would
>> be adequate.
>>
>> Another problem you are likely to hit is in networking.  The X-Windows
>> protocol has outbound connections from the Linux guest to the terminal.  I
>> don't know about your environment, but many site use VPN's internally with
>> each group being restricted to a single VPN sandbox.  The problem is that
>> many VPN clients (such as Aventail) only allow connections from the terminal
>> to the server, and not the other way around.
>>
>> Hope this gives you food for thought
>>
>> Matthew Donald
>>
>> On Wed, May 13, 2009 at 7:30 AM, Ward, Mike S  wrote:
>>
>> Hello, all. I have a question. It seems that we are looking into a
>> virtualized desktop environment (Single Image) on our distributed side.
>> I kind of laugh at this because that's where we came from with VM and an
>> OS running under VM (Green Screen) long ago and now it's making full
>> circle. In VM how do

Re: Virtualized Desktop

[Dave Jones]

Matthew, I believe MONO has already been ported to the s390x 
environment, courtesy of Neal Ferguson at SNA.


http://www.mono-project.com/Mono:S390



Matthew Donald wrote:
SUSE linux would work fine in this sort of environment, but it would 
need to have the desktop customised considerably to remove any 'single 
user' gadgets and the like.  As noted above there may be issues getting 
Evolution on S390x.  Also, Evolution and the Ximian desktop are coded in 
Mono, which give you memory issues similar to Java.


Didn't Evolution used to be open source?  Did Novell make it closed 
source when they took over Ximian?  If it's open source, then it should 
be possible to get someone to port Mono (which is open source) and 
Evolution (which is written in Mono) to S390x.  That's the advantage of 
open source.


Matthew

On Thu, May 14, 2009 at 6:13 AM, Ward, Mike S > wrote:


Wow it does give me food for thought. Sounds like you’re well versed
in these types of environments. Another question if you don’t mind.
In this environment would SUSE linux work? And would they be able to
use Ximian and Evolution to connect to an exchange server for
email/calendar and those type of office functions?

 


*From:* The IBM z/VM Operating System
[mailto:IBMVM@LISTSERV.UARK.EDU ]
*On Behalf Of *Matthew Donald
*Sent:* Wednesday, May 13, 2009 2:07 PM
*To:* IBMVM@LISTSERV.UARK.EDU 
*Subject:* Re: Virtualized Desktop

 


Firstly, you need to know the expected environment before you can
work out anything.  Lets assume that you want to provide Firefox for
browsing, Lotus Notes for email, Symphony for office and x3270 for
mainframe access.  All of these run under Linux and, in addition,
Notes and Symphony are Eclipse-based which means JVM's.

What I /wouldn't/ do is give each user a separate Linux guest.  I'd
probably look at around 4 Linux guests.  These guest would have all
1000 users logged onto them.

One guest would provide the desktop.  That is, every user would log
onto a single guest using X-Windows and maybe Gnome (but I'd look at
Enlightenment as it has a lower memory footprint).  The desktop
would have icons for Notes, Symphony etc. Clicking an icon would run
a remote app on one of the other guests.  Any user running Firefox
or x3270 would run the app on this guest.

A second guest would run Notes.  Every time a user clicked the Notes
icon, it would start it would start the Notes app on the second guest.

The third and fourth guests would have Symphony workload spread
between them.  When a user clicked the Symphony icon, half would run
the app on the third guest and half on the fourth guest.

Essentially, the model is to have the basic desktop and the non-java
apps on one guest and the java workload spread over the other three
guests.

I know a config along these lines would work, since the State of
Florida did something like this in the late-90's.  They were using
four 8-way Intel P3 boxes running Linux with Netscape, Wordperfect
and Quattro. I'm pretty sure they were supporting more than 1000 users.

As to resources, I don't know of any benchmarks, so the following is
based on my experience with z/VM +z/Linux + Websphere.  My gut feel
is that you could probably run this sort of workload with 4 IFL's
and somewhere between 96G and 128G, depending on the number of
simultaneous users.  I may be over-estimating the CPU workload. 
Most of the memory requirement would be for JVM's.  I'd allow

somewhere between 128M and 256M per JVM.  So long as the GC was
running no more frequently than every 8 seconds or so and each GC
run was freeing at least 30% of the heap on each run then the sizing
would be adequate.

Another problem you are likely to hit is in networking.  The
X-Windows protocol has outbound connections from the Linux guest to
the terminal.  I don't know about your environment, but many site
use VPN's internally with each group being restricted to a single
VPN sandbox.  The problem is that many VPN clients (such as
Aventail) only allow connections from the terminal to the server,
and not the other way around.

Hope this gives you food for thought

Matthew Donald

On Wed, May 13, 2009 at 7:30 AM, Ward, Mike S mailto:mw...@ssfcu.org>> wrote:

Hello, all. I have a question. It seems that we are looking into a
virtualized desktop environment (Single Image) on our distributed side.
I kind of laugh at this because that's where we came from with VM and an
OS running under VM (Green Screen) long ago and now it's making full
circle. In VM how do you determine the amount of hardware MIPS, Disk,
Etc... for let's say 1000 users? Is there any kind of formula to go by?
I know in the distrib

Re: Virtualized Desktop

[Mark Post]

>>> On 5/13/2009 at  5:39 PM, Matthew Donald  
>>> wrote: 
-snip-
> Didn't Evolution used to be open source?  Did Novell make it closed source
> when they took over Ximian?  If it's open source, then it should be possible
> to get someone to port Mono (which is open source) and Evolution (which is
> written in Mono) to S390x.  That's the advantage of open source.

Evolution and Mono are both open source.  Mono has already been ported to the 
mainframe, thanks to the efforts of Neale Ferguson, and was shipped with 
SLES10, and now SLES11.

The issue, for most people on this list, isn't the availability of the software 
for the platform, it's whether they can get commercial support for it, from a 
company that management will say "OK" to let do it.


Mark Post

Re: Virtualized Desktop

[Matthew Donald]

SUSE linux would work fine in this sort of environment, but it would need to
have the desktop customised considerably to remove any 'single user' gadgets
and the like.  As noted above there may be issues getting Evolution on
S390x.  Also, Evolution and the Ximian desktop are coded in Mono, which give
you memory issues similar to Java.

Didn't Evolution used to be open source?  Did Novell make it closed source
when they took over Ximian?  If it's open source, then it should be possible
to get someone to port Mono (which is open source) and Evolution (which is
written in Mono) to S390x.  That's the advantage of open source.

Matthew

On Thu, May 14, 2009 at 6:13 AM, Ward, Mike S  wrote:

>  Wow it does give me food for thought. Sounds like you’re well versed in
> these types of environments. Another question if you don’t mind. In this
> environment would SUSE linux work? And would they be able to use Ximian and
> Evolution to connect to an exchange server for email/calendar and those type
> of office functions?
>
>
>
> *From:* The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] *On
> Behalf Of *Matthew Donald
> *Sent:* Wednesday, May 13, 2009 2:07 PM
> *To:* IBMVM@LISTSERV.UARK.EDU
> *Subject:* Re: Virtualized Desktop
>
>
>
> Firstly, you need to know the expected environment before you can work out
> anything.  Lets assume that you want to provide Firefox for browsing, Lotus
> Notes for email, Symphony for office and x3270 for mainframe access.  All of
> these run under Linux and, in addition, Notes and Symphony are Eclipse-based
> which means JVM's.
>
> What I *wouldn't* do is give each user a separate Linux guest.  I'd
> probably look at around 4 Linux guests.  These guest would have all 1000
> users logged onto them.
>
> One guest would provide the desktop.  That is, every user would log onto a
> single guest using X-Windows and maybe Gnome (but I'd look at Enlightenment
> as it has a lower memory footprint).  The desktop would have icons for
> Notes, Symphony etc. Clicking an icon would run a remote app on one of the
> other guests.  Any user running Firefox or x3270 would run the app on this
> guest.
>
> A second guest would run Notes.  Every time a user clicked the Notes icon,
> it would start it would start the Notes app on the second guest.
>
> The third and fourth guests would have Symphony workload spread between
> them.  When a user clicked the Symphony icon, half would run the app on the
> third guest and half on the fourth guest.
>
> Essentially, the model is to have the basic desktop and the non-java apps
> on one guest and the java workload spread over the other three guests.
>
> I know a config along these lines would work, since the State of Florida
> did something like this in the late-90's.  They were using four 8-way Intel
> P3 boxes running Linux with Netscape, Wordperfect and Quattro. I'm pretty
> sure they were supporting more than 1000 users.
>
> As to resources, I don't know of any benchmarks, so the following is based
> on my experience with z/VM +z/Linux + Websphere.  My gut feel is that you
> could probably run this sort of workload with 4 IFL's and somewhere between
> 96G and 128G, depending on the number of simultaneous users.  I may be
> over-estimating the CPU workload.  Most of the memory requirement would be
> for JVM's.  I'd allow somewhere between 128M and 256M per JVM.  So long as
> the GC was running no more frequently than every 8 seconds or so and each GC
> run was freeing at least 30% of the heap on each run then the sizing would
> be adequate.
>
> Another problem you are likely to hit is in networking.  The X-Windows
> protocol has outbound connections from the Linux guest to the terminal.  I
> don't know about your environment, but many site use VPN's internally with
> each group being restricted to a single VPN sandbox.  The problem is that
> many VPN clients (such as Aventail) only allow connections from the terminal
> to the server, and not the other way around.
>
> Hope this gives you food for thought
>
> Matthew Donald
>
> On Wed, May 13, 2009 at 7:30 AM, Ward, Mike S  wrote:
>
> Hello, all. I have a question. It seems that we are looking into a
> virtualized desktop environment (Single Image) on our distributed side.
> I kind of laugh at this because that's where we came from with VM and an
> OS running under VM (Green Screen) long ago and now it's making full
> circle. In VM how do you determine the amount of hardware MIPS, Disk,
> Etc... for let's say 1000 users? Is there any kind of formula to go by?
> I know in the distributed environment, it will probably take a lot of
> disk space, and as far as performance I don't think it would be as
> snappy as a real VM system. I used to work at a shop where we had 2500
> users and a few with APL, that's right APL. Anyone that's been around
> knows what APL programmers did for VM. And in that shop response time
> was good even under MVS/CICS under VM. Anyway any comments, suggestions,
> criticisms are wel

Re: How long is YOUR signature/disclaimer?

[Lee Stewart]

I know just the trigger!   ;-))

/*

Thomas Kern wrote:

Maybe we could make a plea to the LSoft support people to add something t
hat
will ignore ALL records in a posting after some well-know trigger. 


--

Lee Stewart, Senior SE
Sirius Computer Solutions
Phone: (303) 996-7122
Email: lee.stew...@siriuscom.com
Web:   www.siriuscom.com

Re: Virtualized Desktop

[Mark Post]

>>> On 5/13/2009 at  4:28 PM, "Ward, Mike S"  wrote: 
> Since SLED is an Enterprise Desktop, does that mean you would have to
> have one SLED for every user under VM?

I doubt anyone has even looked at what that pricing model would be like.  If 
such a thing ever comes into being, I would be loathe to predict how it might 
turn out, or if it could even be worked out.

Given that SLED is currently licensed by machine, multiple people can use one 
system concurrently, and only pay for one license.  Same with SLES, for that 
matter.  Unlike Windows, Linux et. al. were designed to be true multi-user 
systems, so sharing a single system is Just How it Works.  So, there would be 
precedent for having it licensed either by system image, by processor, or by 
some other method.  Again, until current circumstances begin to approach a 
shipping product, speculation is cheap and probably wrong.

I have to say, though, I think it would be _very_ cool to have someone serving 
up SLED images from a System z box.


Mark Post

Re: Virtualized Desktop

[Ward, Mike S]

Since SLED is an Enterprise Desktop, does that mean you would have to
have one SLED for every user under VM?

-Original Message-
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Mark Post
Sent: Wednesday, May 13, 2009 3:23 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: Virtualized Desktop

>>> On 5/13/2009 at  4:13 PM, "Ward, Mike S"  wrote: 
> In this
> environment would SUSE linux work? And would they be able to use
Ximian
> and Evolution to connect to an exchange server for email/calendar and
> those type of office functions?

The Evolution client is only shipped with SLED, which does not have a
version for the mainframe.  Now, if Mantissa ever gets their z/VOS
going, that could change.


Mark Post
==
This email and any files transmitted with it are confidential and intended 
solely for the use of the individual or entity
to which they are addressed. If you have received this email in error please 
notify the system manager. This message
contains confidential information and is intended only for the individual 
named. If you are not the named addressee you
should not disseminate, distribute or copy this e-mail. Please notify the 
sender immediately by e-mail if you
have received this e-mail by mistake and delete this e-mail from your system. 
If you are not the intended recipient
you are notified that disclosing, copying, distributing or taking any action in 
reliance on the contents of this
information is strictly prohibited.

Re: Virtualized Desktop

[Mark Post]

>>> On 5/13/2009 at  4:13 PM, "Ward, Mike S"  wrote: 
> In this
> environment would SUSE linux work? And would they be able to use Ximian
> and Evolution to connect to an exchange server for email/calendar and
> those type of office functions?

The Evolution client is only shipped with SLED, which does not have a version 
for the mainframe.  Now, if Mantissa ever gets their z/VOS going, that could 
change.


Mark Post

Re: Virtualized Desktop

[Ward, Mike S]

Wow it does give me food for thought. Sounds like you're well versed in
these types of environments. Another question if you don't mind. In this
environment would SUSE linux work? And would they be able to use Ximian
and Evolution to connect to an exchange server for email/calendar and
those type of office functions?

 

From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Matthew Donald
Sent: Wednesday, May 13, 2009 2:07 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: Virtualized Desktop

 

Firstly, you need to know the expected environment before you can work
out anything.  Lets assume that you want to provide Firefox for
browsing, Lotus Notes for email, Symphony for office and x3270 for
mainframe access.  All of these run under Linux and, in addition, Notes
and Symphony are Eclipse-based which means JVM's.

What I wouldn't do is give each user a separate Linux guest.  I'd
probably look at around 4 Linux guests.  These guest would have all 1000
users logged onto them.

One guest would provide the desktop.  That is, every user would log onto
a single guest using X-Windows and maybe Gnome (but I'd look at
Enlightenment as it has a lower memory footprint).  The desktop would
have icons for Notes, Symphony etc. Clicking an icon would run a remote
app on one of the other guests.  Any user running Firefox or x3270 would
run the app on this guest.

A second guest would run Notes.  Every time a user clicked the Notes
icon, it would start it would start the Notes app on the second guest.

The third and fourth guests would have Symphony workload spread between
them.  When a user clicked the Symphony icon, half would run the app on
the third guest and half on the fourth guest.

Essentially, the model is to have the basic desktop and the non-java
apps on one guest and the java workload spread over the other three
guests.

I know a config along these lines would work, since the State of Florida
did something like this in the late-90's.  They were using four 8-way
Intel P3 boxes running Linux with Netscape, Wordperfect and Quattro. I'm
pretty sure they were supporting more than 1000 users.

As to resources, I don't know of any benchmarks, so the following is
based on my experience with z/VM +z/Linux + Websphere.  My gut feel is
that you could probably run this sort of workload with 4 IFL's and
somewhere between 96G and 128G, depending on the number of simultaneous
users.  I may be over-estimating the CPU workload.  Most of the memory
requirement would be for JVM's.  I'd allow somewhere between 128M and
256M per JVM.  So long as the GC was running no more frequently than
every 8 seconds or so and each GC run was freeing at least 30% of the
heap on each run then the sizing would be adequate.

Another problem you are likely to hit is in networking.  The X-Windows
protocol has outbound connections from the Linux guest to the terminal.
I don't know about your environment, but many site use VPN's internally
with each group being restricted to a single VPN sandbox.  The problem
is that many VPN clients (such as Aventail) only allow connections from
the terminal to the server, and not the other way around.

Hope this gives you food for thought

Matthew Donald

On Wed, May 13, 2009 at 7:30 AM, Ward, Mike S  wrote:

Hello, all. I have a question. It seems that we are looking into a
virtualized desktop environment (Single Image) on our distributed side.
I kind of laugh at this because that's where we came from with VM and an
OS running under VM (Green Screen) long ago and now it's making full
circle. In VM how do you determine the amount of hardware MIPS, Disk,
Etc... for let's say 1000 users? Is there any kind of formula to go by?
I know in the distributed environment, it will probably take a lot of
disk space, and as far as performance I don't think it would be as
snappy as a real VM system. I used to work at a shop where we had 2500
users and a few with APL, that's right APL. Anyone that's been around
knows what APL programmers did for VM. And in that shop response time
was good even under MVS/CICS under VM. Anyway any comments, suggestions,
criticisms are welcome.


Thanks.
==
This email and any files transmitted with it are confidential and
intended solely for the use of the individual or entity
to which they are addressed. If you have received this email in error
please notify the system manager. This message
contains confidential information and is intended only for the
individual named. If you are not the named addressee you
should not disseminate, distribute or copy this e-mail. Please notify
the sender immediately by e-mail if you
have received this e-mail by mistake and delete this e-mail from your
system. If you are not the intended recipient
you are notified that disclosing, copying, distributing or taking any
action in reliance on the contents of this
information is strictly prohibited.

 

==
This email and any files transmitted with it are 

Re: Virtualized Desktop

[Matthew Donald]

Firstly, you need to know the expected environment before you can work out
anything.  Lets assume that you want to provide Firefox for browsing, Lotus
Notes for email, Symphony for office and x3270 for mainframe access.  All of
these run under Linux and, in addition, Notes and Symphony are Eclipse-based
which means JVM's.

What I *wouldn't* do is give each user a separate Linux guest.  I'd probably
look at around 4 Linux guests.  These guest would have all 1000 users logged
onto them.

One guest would provide the desktop.  That is, every user would log onto a
single guest using X-Windows and maybe Gnome (but I'd look at Enlightenment
as it has a lower memory footprint).  The desktop would have icons for
Notes, Symphony etc. Clicking an icon would run a remote app on one of the
other guests.  Any user running Firefox or x3270 would run the app on this
guest.

A second guest would run Notes.  Every time a user clicked the Notes icon,
it would start it would start the Notes app on the second guest.

The third and fourth guests would have Symphony workload spread between
them.  When a user clicked the Symphony icon, half would run the app on the
third guest and half on the fourth guest.

Essentially, the model is to have the basic desktop and the non-java apps on
one guest and the java workload spread over the other three guests.

I know a config along these lines would work, since the State of Florida did
something like this in the late-90's.  They were using four 8-way Intel P3
boxes running Linux with Netscape, Wordperfect and Quattro. I'm pretty sure
they were supporting more than 1000 users.

As to resources, I don't know of any benchmarks, so the following is based
on my experience with z/VM +z/Linux + Websphere.  My gut feel is that you
could probably run this sort of workload with 4 IFL's and somewhere between
96G and 128G, depending on the number of simultaneous users.  I may be
over-estimating the CPU workload.  Most of the memory requirement would be
for JVM's.  I'd allow somewhere between 128M and 256M per JVM.  So long as
the GC was running no more frequently than every 8 seconds or so and each GC
run was freeing at least 30% of the heap on each run then the sizing would
be adequate.

Another problem you are likely to hit is in networking.  The X-Windows
protocol has outbound connections from the Linux guest to the terminal.  I
don't know about your environment, but many site use VPN's internally with
each group being restricted to a single VPN sandbox.  The problem is that
many VPN clients (such as Aventail) only allow connections from the terminal
to the server, and not the other way around.

Hope this gives you food for thought

Matthew Donald

On Wed, May 13, 2009 at 7:30 AM, Ward, Mike S  wrote:

> Hello, all. I have a question. It seems that we are looking into a
> virtualized desktop environment (Single Image) on our distributed side.
> I kind of laugh at this because that's where we came from with VM and an
> OS running under VM (Green Screen) long ago and now it's making full
> circle. In VM how do you determine the amount of hardware MIPS, Disk,
> Etc... for let's say 1000 users? Is there any kind of formula to go by?
> I know in the distributed environment, it will probably take a lot of
> disk space, and as far as performance I don't think it would be as
> snappy as a real VM system. I used to work at a shop where we had 2500
> users and a few with APL, that's right APL. Anyone that's been around
> knows what APL programmers did for VM. And in that shop response time
> was good even under MVS/CICS under VM. Anyway any comments, suggestions,
> criticisms are welcome.
>
>
> Thanks.
> ==
> This email and any files transmitted with it are confidential and intended
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> to which they are addressed. If you have received this email in error
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>
>

Re: REXX Date Function Help...Please

[Howard Rifkind]

Thanks all,
 
I'm sure from one of these suggestions I'll be able to find a solution to the 
problem I'm working on.

--- On Wed, 5/13/09, Scott Rohling  wrote:


From: Scott Rohling 
Subject: Re: REXX Date Function Help...Please
To: IBMVM@LISTSERV.UARK.EDU
Date: Wednesday, May 13, 2009, 12:14 PM


Yes - I agree - the point is to phase out Julian.   I think phasing out 'USA' 
(or European) is harder  because it's used as a 'shorthand' date so many places.

I suggested to Howard offline that using DATE('B') (Base) is probably the best 
way to deal with date manipulation (the common reason for using Julian) and 
doesn't have the difficulties of spanning years that Julian does when doing 
calculations.

For example:

today = date('B')
lastweek = today - 7
Say DATE('S', lastweek, 'B')

Would spit out the the sorted date (mmdd) for one week ago.   This works 
whether I issue it on Jan 2 or Jun 2.

Scott


On Wed, May 13, 2009 at 10:05 AM, Ethan Lanz  wrote:





so it looks like the point is phasing out Julian dates.





  

Re: SSL Encryption For TN3270

[Rich Smrcina]

Heckler, Bruce wrote:


 

-   Last time I looked,  x3270 is a TN3270 client, not TN3270e.  
The little ‘e’ makes all the difference for SSL support.  You could 
run Stunnel on your client machine.  We use it under a bunch of our 
clients older 3270 packages.  I haven’t tried it specifically with 
x3270, but haven’t heard of any other packages where it wouldn’t. 
  Passport is TN3270e, so I’d lean toward using that guy for testing. 

 

x3270 provides TN3270E support.  Used it all the time with Flex-ES.  
Ah... Flex.. sniff.


--
Rich Smrcina
Phone: 414-491-6001
http://www.linkedin.com/in/richsmrcina

Catch the WAVV! http://www.wavv.org
WAVV 2009 - Orlando, FL - May 15-19, 2009

Re: SSL Encryption For TN3270

[Kim Goldenberg]

Heckler, Bruce wrote:


Hi Dave,

Let me preface I’m just a part time VM’er. I just got on this 
listserve a few weeks ago, so I didn’t see any of the previous. I 
spend most of my time with z/OS TCP/IP, but the two stacks are pretty 
close.


- Last time I looked, x3270 is a TN3270 client, not TN3270e.


See http://x3270.bgp.nu/

*x3270* runs over a TELNET connection, emulating either an IBM 3279 
(color) or 3278 (monochrome). It supports:


   * The full TN3270E protocol
   * SSL/TLS (via the OpenSSL library) for encrypted sessions
   * APL2 characters
   * Non-English character sets, including Russian, Turkish, Hebrew and
 DBCS Chinese and Japanese
   * IND$FILE file transfer
   * NVT mode (emulating a color xterm)
   * A pop-up keypad for 3270-specific keys
   * A scrollbar
   * Printer session integration
   * Extensive debugging and scripting facilities



Kim

Re: Please excuse my ignorance

[Wandschneider, Scott]

Thank you Scott, Mike, and Rich.  I have already downloaded the manuals
and will review.

Thank you,

Scott


-Original Message-
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Rich Smrcina
Sent: Wednesday, May 13, 2009 10:52 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: Please excuse my ignorance

Wandschneider, Scott wrote:
> Please excuse my ignorance but I am hoping to get clarification on
> something I read on this list over the last couple of days.  Some of
you
> were very adamant about specifying the option DEVMAINT, especially to
> operators.  Could someone please explain what the option does and who
> should have it?  I went through our VM directories and that option is
> specified to a handful of users on each of our systems.  I would like
to
> get an understanding of the option before I start removing it. 
>
> Thank you,
> Scott R Wandschneider
> scott.wandschnei...@infocrossing.com 
>
>   
See here:

http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/HCSG0B31/3.2.
42?SHELF=hcsh2aa1&DT=20081120142224
-- 
Rich Smrcina
Phone: 414-491-6001
http://www.linkedin.com/in/richsmrcina

Catch the WAVV! http://www.wavv.org
WAVV 2009 - Orlando, FL - May 15-19, 2009

Confidentiality Note: This e-mail, including any attachment to it, may contain 
material that is confidential, proprietary, privileged and/or "Protected Health 
Information," within the meaning of the regulations under the Health Insurance 
Portability & Accountability Act as amended.  If it is not clear that you are 
the intended recipient, you are hereby notified that you have received this 
transmittal in error, and any review, dissemination, distribution or copying of 
this e-mail, including any attachment to it, is strictly prohibited. If you 
have received this e-mail in error, please immediately return it to the sender 
and delete it from your system. Thank you.

Re: SSL Encryption For TN3270

[Heckler, Bruce]

Hi Dave,

Let me preface I’m just a part time VM’er.   I just got on this listserve a few 
weeks ago, so I didn’t see any of the previous.  I spend most of my time with 
z/OS TCP/IP, but the two stacks are pretty close.


-   Last time I looked,  x3270 is a TN3270 client, not TN3270e.  The little 
‘e’ makes all the difference for SSL support.  You could run Stunnel on your 
client machine.  We use it under a bunch of our clients older 3270 packages.  I 
haven’t tried it specifically with x3270, but haven’t heard of any other 
packages where it wouldn’t.   Passport is TN3270e, so I’d lean toward using 
that guy for testing.

-   If you don’t already have FTPD setup for SSL, I’d try that first.  It’s 
a lot easier verifying the TCP/IP SSL config with FTP before dinking with 
TN3270.  I use one guest or LPAR logon to contact the other test server.  The 
IBM FTP client at least provides some tracing functions.

-   Are you running self signed certs?  That generates some setup wrinkles 
on the client side of things.

-   For Passport we specify Microsoft Security.  I can’t remember exactly 
why we did this, just that it works.

-   Forgive me if this sounds stupid. I know Passport has both telnet 
(VT100) and 3270 modes.  Is your server 992 port is hooked to 3270?   Vanilla 
telnet doesn’t support SSL (the encrypted telnet flavor of the month is 
generally ssh).

-   And another stupid.  Make sure your vendor’s CA certs are trusted.  The 
ones IBM supplies in RACF are all set to NOTRUST.  (How untrusting of those 
guys!)

-   And!  If that’s not enough, does your cert vendor use intermediate 
certs?  At least in RACF’land, folks like Digicert and Comodo have given me 
considerable  heartburn.  They don’t provide documentation in mainframe-ese how 
you set them up.   I’ve gotten bitten where the main CA cert verifies, but 
fails because there’s a missing  intermediate.  FTP and trace gives you some 
idea which one it gagged on.

Hope something in there helps,

Bruce

Bruce Heckler
ACT Datacenter, University of California – San Diego
10280 North Torrey Pines Rd. #375
La Jolla CA.  92093
(858) 534-2152

From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf 
Of Dave Keeton
Sent: Tuesday, May 12, 2009 4:23 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: SSL Encryption For TN3270

I've been very interested in this thread, as I'm also trying to set up the 
SSLSERV for Telnet sessions. I am also experiencing the same problem of 
connections failing. I have tried to use both x3270 under Linux (using the 
L::992 option) and using Passport to connect using SSL. Neither completes 
a connection - VM disconnects immediately.

Was there a final solution?

Thanks,
Dave


-Original Message-
From: Michael Coffin 
mailto:michael%20coffin%20%3cmichaelcof...@mccci.com%3e>>
Reply-to: The IBM z/VM Operating System 
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: SSL Encryption For TN3270
Date: Fri, 27 Mar 2009 09:31:41 -0400

FYI... IBM and Attachmate are looking at this, it appears to be a problem 
either with the Attachmate TN3270 client or the z/VM 5.4 TCPIP/TN3270/SSL .  
The TN3270 client SHOULD be negotiating a secure connection in explicit mode if 
capable, or fall back to unencrypted if not.   -Mike

-Original Message-
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf 
Of Michael Coffin
Sent: Thursday, March 26, 2009 9:23 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: SSL Encryption For TN3270

Hi Marci,

Oh, that simple.  In the Configure Connection page:

Terminal is IBM-3279

Encryption:  SSL V3.0

The following checkboxes are unchecked:

Use Attachmate Security
Use Microsoft Security implementation
Verify Server Identity

There is a checkbox at the bottom that is checked and reads "Automatically 
enter data on this screen for new connections".  I cannot find HELP for this 
and don't know what it is, but have been leaving it at the default (checked) 
value (which works for implicit TN3270 connections with SECURE on the PORT 
statement, but not explicit TN3270 connections).

-Mike

-Original Message-
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf 
Of Marci Beach
Sent: Thursday, March 26, 2009 8:47 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: SSL Encryption For TN3270

I mean on the client end in Attachmate Infoconnect.

From:

Michael Coffin 

To:

IBMVM@LISTSERV.UARK.EDU

Date:

03/26/2009 08:40 AM

Subject:

Re: SSL Encryption For TN3270







Hi Marci,

What do you mean by "security configuration"?  If you are referring to RACF, we 
don't use it - we use VM:Secure and the Rules Facility.

If you are referring to the INTERNALCLIENTPARMS just SECURECONNECTION PREFERRED 
and the TSLABEL statements.

-Mike
-Original Message-
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf 
Of Marci Beach
Sent: Thursday

Re: REXX Date Function Help...Please

[Scott Rohling]

Yes - I agree - the point is to phase out Julian.   I think phasing out
'USA' (or European) is harder  because it's used as a 'shorthand' date so
many places.

I suggested to Howard offline that using DATE('B') (Base) is probably the
best way to deal with date manipulation (the common reason for using Julian)
and doesn't have the difficulties of spanning years that Julian does when
doing calculations.

For example:

today = date('B')
lastweek = today - 7
Say DATE('S', lastweek, 'B')

Would spit out the the sorted date (mmdd) for one week ago.   This works
whether I issue it on Jan 2 or Jun 2.

Scott

On Wed, May 13, 2009 at 10:05 AM, Ethan Lanz  wrote:

>
>
> so it looks like the point is phasing out Julian dates.
>
>

Re: REXX Date Function Help...Please

[Ethan Lanz]

On Wed, May 13, 2009 at 11:38 AM, Chip Davis  wrote:

> Yes, that was the intention of the ANSI Standard Committee's Y2K work.  It
> is not possible to convert from any of the ambiguous date formats.  What
> should Date('U', 'Tuesday', 'W') return?
>
> Since the Julian format was defined to have only a two-digit year (yynnn)
> there is no way to define an accurate equivalent date.  And yes, we
> discussed sliding windows and a number of other hacks and ultimately
> rejected them as dangerous. One could get the wrong answer and not know it.
>  We like the 'astonishment factor' to stay as low as possible.
>
> Besides, as Bob has shown, there are several ways of accomplishing the
> conversion as long as you know the century the Julian date belongs to.
>
> -Chip-
>

However, date('S','04/05/09','U') returns '20090405' consistent with:

2. Input dates given in 2-digit year formats are interpreted as being within
   a 100 year window as calculated by:

   (current_year - 50) = low end of window
   (current_year + 49) = high end of window

so it looks like the point is phasing out Julian dates.


>
> On 5/13/09 14:02 Edward M Martin said:
>
>> Hello Howard,
>>
>>
>>  From z/VM 5.3  Help REXX DATE
>>
>>
>>
>>
>>> >--DATE(--.---.--.-.--)---><
>>>
>>
>>   |(1)|  '-| Group 1 |-'
>>   '-output_date_format'
>>
>> And then reference (1)
>>
>> Has
>>
>> NOTE:
>> (1)  If the Century or Julian format is specified, then no other options
>>
>> are permitted. These two formats are provided for compatibility with
>>
>> programs written for releases prior to VM/ESA(R) version 2 release
>> 1.1. It is recommended that they not be used for new programs.
>>
>> It would seem that if you specify Julian format you have to use today’s
>> date.
>>
>>
>> Ed Martin
>>
>> Aultman Health Foundation
>>
>> 330-363-5050
>>
>> ext 35050
>>
>>

Re: Please excuse my ignorance

[Scott Rohling]

In particular, DEVMAINT allows you to issue the DEF MDISK command.. which
allows you to create a minidisk, specifying it's extents, on any volume
attached to the system.  It also gives R/W access to the minidisk it
creates.

DEF MDISK is an extremely helpful command- especially for dealing with 2nd
level systems - but it can easily be used to subvert security policy.
(e.g.  Being able to do a DEF MDISK to a minidisk that RACF would not allow
you link).

Scott

On Wed, May 13, 2009 at 9:41 AM, Wandschneider, Scott <
scott.wandschnei...@infocrossing.com> wrote:

> Please excuse my ignorance but I am hoping to get clarification on
> something I read on this list over the last couple of days.  Some of you
> were very adamant about specifying the option DEVMAINT, especially to
> operators.  Could someone please explain what the option does and who
> should have it?  I went through our VM directories and that option is
> specified to a handful of users on each of our systems.  I would like to
> get an understanding of the option before I start removing it.
>
> Thank you,
> Scott R Wandschneider
> scott.wandschnei...@infocrossing.com
>
>
> Confidentiality Note: This e-mail, including any attachment to it, may
> contain material that is confidential, proprietary, privileged and/or
> "Protected Health Information," within the meaning of the regulations under
> the Health Insurance Portability & Accountability Act as amended.  If it is
> not clear that you are the intended recipient, you are hereby notified that
> you have received this transmittal in error, and any review, dissemination,
> distribution or copying of this e-mail, including any attachment to it, is
> strictly prohibited. If you have received this e-mail in error, please
> immediately return it to the sender and delete it from your system. Thank
> you.
>

Re: Please excuse my ignorance

[Mike Walter]

Scott,

Did you look in the "z/VM Planning and Administration" manual?  That 
particular manual is one is a key  "Book of Knowledge" for z/VM sysprogs. 
Anyone making directory changed should be familiar with that section of 
the manual (actually, all z/VM sysprogs should be at least aware of its 
contents and use it as a reference). 

See:  http://publibz.boulder.ibm.com/epubs/pdf/hcsg0b31.pdf

It states:
DEVMaint 
authorizes the specified virtual machine to use DIAGNOSE code X'E4' with 
subcode X'02' and X'03' to get a full-pack overlay read/write minidisk of 
the volume on which the specified minidisk or cylinder/block resides. A 
user with this option is also authorized to execute any function protected 
by the DEVINFO and MAINTCCW options. For more information about DIAGNOSE 
code X'E4', see the z/VM: CP Programming Services book.

Mike Walter
Hewitt Associates



"Wandschneider, Scott"  

Sent by: "The IBM z/VM Operating System" 
05/13/2009 10:41 AM
Please respond to
"The IBM z/VM Operating System" 



To
IBMVM@LISTSERV.UARK.EDU
cc

Subject
Please excuse my ignorance






Please excuse my ignorance but I am hoping to get clarification on
something I read on this list over the last couple of days.  Some of you
were very adamant about specifying the option DEVMAINT, especially to
operators.  Could someone please explain what the option does and who
should have it?  I went through our VM directories and that option is
specified to a handful of users on each of our systems.  I would like to
get an understanding of the option before I start removing it. 

Thank you,
Scott R Wandschneider
scott.wandschnei...@infocrossing.com 


Confidentiality Note: This e-mail, including any attachment to it, may 
contain material that is confidential, proprietary, privileged and/or 
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it is not clear that you are the intended recipient, you are hereby 
notified that you have received this transmittal in error, and any review, 
dissemination, distribution or copying of this e-mail, including any 
attachment to it, is strictly prohibited. If you have received this e-mail 
in error, please immediately return it to the sender and delete it from 
your system. Thank you.






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Re: Please excuse my ignorance

[Rich Smrcina]

Wandschneider, Scott wrote:

Please excuse my ignorance but I am hoping to get clarification on
something I read on this list over the last couple of days.  Some of you
were very adamant about specifying the option DEVMAINT, especially to
operators.  Could someone please explain what the option does and who
should have it?  I went through our VM directories and that option is
specified to a handful of users on each of our systems.  I would like to
get an understanding of the option before I start removing it. 


Thank you,
Scott R Wandschneider
scott.wandschnei...@infocrossing.com 

  

See here:

http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/HCSG0B31/3.2.42?SHELF=hcsh2aa1&DT=20081120142224
--
Rich Smrcina
Phone: 414-491-6001
http://www.linkedin.com/in/richsmrcina

Catch the WAVV! http://www.wavv.org
WAVV 2009 - Orlando, FL - May 15-19, 2009

Please excuse my ignorance

[Wandschneider, Scott]

Please excuse my ignorance but I am hoping to get clarification on
something I read on this list over the last couple of days.  Some of you
were very adamant about specifying the option DEVMAINT, especially to
operators.  Could someone please explain what the option does and who
should have it?  I went through our VM directories and that option is
specified to a handful of users on each of our systems.  I would like to
get an understanding of the option before I start removing it. 

Thank you,
Scott R Wandschneider
scott.wandschnei...@infocrossing.com 


Confidentiality Note: This e-mail, including any attachment to it, may contain 
material that is confidential, proprietary, privileged and/or "Protected Health 
Information," within the meaning of the regulations under the Health Insurance 
Portability & Accountability Act as amended.  If it is not clear that you are 
the intended recipient, you are hereby notified that you have received this 
transmittal in error, and any review, dissemination, distribution or copying of 
this e-mail, including any attachment to it, is strictly prohibited. If you 
have received this e-mail in error, please immediately return it to the sender 
and delete it from your system. Thank you.

Re: REXX Date Function Help...Please

[Chip Davis]

Yes, that was the intention of the ANSI Standard Committee's Y2K work.  It is 
not possible to convert from any of the ambiguous date formats.  What should 
Date('U', 'Tuesday', 'W') return?


Since the Julian format was defined to have only a two-digit year (yynnn) there 
is no way to define an accurate equivalent date.  And yes, we discussed sliding 
windows and a number of other hacks and ultimately rejected them as dangerous. 
One could get the wrong answer and not know it.  We like the 'astonishment 
factor' to stay as low as possible.


Besides, as Bob has shown, there are several ways of accomplishing the 
conversion as long as you know the century the Julian date belongs to.


-Chip-

On 5/13/09 14:02 Edward M Martin said:

Hello Howard,

 


 From z/VM 5.3  Help REXX DATE

 




>--DATE(--.---.--.-.--)---><


   |(1)|  '-| Group 1 |-'   

   '-output_date_format'

 


And then reference (1)

Has

NOTE:   


(1)  If the Century or Julian format is specified, then no other options

 are permitted. These two formats are provided for compatibility with

 programs written for releases prior to VM/ESA(R) version 2 release 

 1.1. It is recommended that they not be used for new programs. 

 

It would seem that if you specify Julian format you have to use today’s 
date.   



 


Ed Martin

Aultman Health Foundation

330-363-5050

ext 35050



*From:* The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] 
*On Behalf Of *Scott Rohling

*Sent:* Tuesday, May 12, 2009 10:05 PM
*To:* IBMVM@LISTSERV.UARK.EDU
*Subject:* Re: REXX Date Function Help...Please

 


For the group (sent this to Howard personally when I did a reply):

Is this what you mean?:

jday = date('J')
Say DATE('U',jday,'J')

On DATE:  the first parm is the output format (USA) - the 2nd is the 
input date - the 3rd is the input date format.


Scott

On Tue, May 12, 2009 at 7:57 PM, Howard Rifkind > wrote:


I have the DATE function working in order to get the current date into 
Julian date format but I'm have difficulty going the other way...Julian 
date to standard date such as MM/DD/YY.


I've tried tries a number of ways to format the DATE function to do this 
without any success.


I surrender.

File_Juldate = DATE('J',FILE_DATE)Doesn't work.

Any help with this will be appreciated.

Thanks

 

 

Re: VMARC UNPK question

[Gentry, Stephen]

I think it's something like:
Vmarc unpk rxserver vmarc i = = i
Although I thought the default was to put the output on whatever disk
the packed file is on.
I usually put the vmarc file on my A disk and unpack to another disk
using the format above.
Steve

-Original Message-
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Bauer, Bobby (NIH/CIT) [E]
Sent: Wednesday, May 13, 2009 9:13 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject: VMARC UNPK question

I'm attempting to unload the RXSERVER VMARC. I created a small minidisk
to hold it. Uploaded it in binary and issued:

PIPE <  rxserver VMARC i | fblock 80 00 | > rxserver VMARC i F 80
and 
vmarc unpk rxserver vmarc i 

but the files go to the A disk:

RXSERVER PACKAGE  A2. Bytes in=  2320, bytes out=  3413 (
147%). 
RXSERVER README   A2. Bytes in=  3600, bytes out=  6063 (
168%). 
RXSERVER MIGRATE  A1. Bytes in=  5680, bytes out= 10354 (
182%).
  etc

How do I point them to the 'I' disk?


Bobby Bauer
Center for Information Technology
National Institutes of Health
Bethesda, MD 20892-5628
301-594-7474


 

Re: SSL Encryption For TN3270

[William Moy]

Hi Dave,

   I am able to get secure connections using x3270 on linux using
   L::992 as well as Passport connections to port 992.  My stack's
   PROFILE TCPIP is configured for INTERNALCLIENTPARMS and for my SSL
   server, SSLSRV0B, as below.  Do you have all of the available service
   applied to the TCPIP and SSLSERV modules?

  AUTOLOG
   SSLSRV0B  0
  ENDAUTOLOG
  ..
  PORT
992  TCP INTCLIEN SECURE TCPIP0B
  ..
  SSLSERVERID SSLSRV0B
  ..
  INTERNALCLIENTPARMS
PORT 992
  ENDINTERNALCLIENTPARMS

Best Regards,
Bill Moy

Re: XEDIT macro question

[Phil Smith III]

"Huegel, Thomas" wrote:
>I have a simple question about a XEDIT  macro.

>I have a macro that does a locate and select on some lines and then
>displays the selected lines.

>My question, is there a way to find the number of lines that have been
>selected without counting them as I select them?
>EXTRACT '/selectedlines/'  doesn't seem to exist..

As others have noted, extract /nbscope is the right answer. I've had a short 
macro called ALLSIZE for 25 years:

/*
   ALLSIZE XEDIT -- Show number of lines displayed after ALL and friends.

   No operands are needed or checked for.

*/
   'COMMAND EXTRACT/NBSCOPE'
   if nbscope.1 = 0 then nbscope.1 = 'No'
   if nbscope.1 = 1 then 'COMMAND MSG 1 line is currently displayed.'
   else 'COMMAND MSG' nbscope.1 'lines are currently displayed.'
-30-

I use this in conjunction with TALL (Toggle ALL), TN (go to next selected line, 
even when viewing entire file after TALL), TU, ALSO, et al. This is one of the 
many areas where XEDIT's power shines!

...phsiii

Re: REXX Date Function Help...Please

[Hamilton, Robert]

I had trouble manipulating Julian dates for a product wrapper I wrote;
finally wrote something like this, that you can modify to get the answer
you're looking for:

 

 

/*

 *  J2N EXEC

 *

 *  Display a Julian date in Normal format; this is really pretty

 *  easy, but it's become such a common need that I wrote a routine

 *

 *  It was SO easy, I've updated it to handle forms like nnn and

 *  .nnn and others that happen to fit. The translate() call

 *  changes single quotes, slashes and decimal points to blanks, and

 *  the space() call removes all blanks from in and around the
string.

 *  Then take only the last 5 characters, prepending zeros if
needed.

 */

arg JDate .;

JDate = space(translate(JDate,,"'/."), 0);

JDate = right(JDate, 5, "0");

say date("W", JDate, "J")"," date(, JDate, "J");

 

 

 

and then:

 

j2n E08143

 

returns:

 

Thursday, 22 May 2008

 

R;

 

 



From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Edward M Martin
Sent: Wednesday, May 13, 2009 10:03 AM
To: IBMVM@listserv.uark.edu
Subject: Re: REXX Date Function Help...Please

 

Hello Howard,

 

>From z/VM 5.3  Help REXX DATE

 

 


>>--DATE(--.---.--.-.--)--->
<

   |(1)|  '-| Group 1 |-'


   '-output_date_format' 

 

And then reference (1)

Has 

NOTE:


(1)  If the Century or Julian format is specified, then no other options


 are permitted. These two formats are provided for compatibility
with

 programs written for releases prior to VM/ESA(R) version 2 release


 1.1. It is recommended that they not be used for new programs.


 

It would seem that if you specify Julian format you have to use today's
date.

 


 

Ed Martin

Aultman Health Foundation

330-363-5050

ext 35050



From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Scott Rohling
Sent: Tuesday, May 12, 2009 10:05 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: REXX Date Function Help...Please

 

For the group (sent this to Howard personally when I did a reply):

Is this what you mean?:

jday = date('J')
Say DATE('U',jday,'J')

On DATE:  the first parm is the output format (USA) - the 2nd is the
input date - the 3rd is the input date format.

Scott

On Tue, May 12, 2009 at 7:57 PM, Howard Rifkind 
wrote:

I have the DATE function working in order to get the current date into
Julian date format but I'm have difficulty going the other way...Julian
date to standard date such as MM/DD/YY.

I've tried tries a number of ways to format the DATE function to do this
without any success.

I surrender.

File_Juldate = DATE('J',FILE_DATE)Doesn't work.

Any help with this will be appreciated.

Thanks

 

 

Re: REXX Date Function Help...Please

[Mark Wheeler]

Conversion from Julian works:

   calc date('U','09001','J')

   date('U','09001','J') = 01/01/09

but conversion to Julian does not:

   calc date('J','01/01/09','U')

   "date('J','01/01/09','U')" resulted in REXX error 40: Incorrect call to 
routine

 

The PIPE DATECONV stage doesn't have these restrictions:

   pipe literal 01/01/09|dateconv rexx_date_u rexx_date_j|cons 

   09001

 

Mark Wheeler

 

http://www.linkedin.com/in/marklwheeler


 


Date: Wed, 13 May 2009 10:02:54 -0400
From: emar...@aultman.com
Subject: Re: REXX Date Function Help...Please
To: IBMVM@LISTSERV.UARK.EDU









Hello Howard,
 
>From z/VM 5.3  Help REXX DATE
 
 
>>--DATE(--.---.--.-.--)---><
   |(1)|  '-| Group 1 |-'
   '-output_date_format' 
 
And then reference (1)
Has 
NOTE:
(1)  If the Century or Julian format is specified, then no other options 
 are permitted. These two formats are provided for compatibility with
 programs written for releases prior to VM/ESA(R) version 2 release  
 1.1. It is recommended that they not be used for new programs.  
 
It would seem that if you specify Julian format you have to use today’s date.   
 
 
 

Ed Martin
Aultman Health Foundation
330-363-5050
ext 35050




From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf 
Of Scott Rohling
Sent: Tuesday, May 12, 2009 10:05 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: REXX Date Function Help...Please
 
For the group (sent this to Howard personally when I did a reply):

Is this what you mean?:

jday = date('J')
Say DATE('U',jday,'J')

On DATE:  the first parm is the output format (USA) - the 2nd is the input date 
- the 3rd is the input date format.

Scott

On Tue, May 12, 2009 at 7:57 PM, Howard Rifkind  wrote:




I have the DATE function working in order to get the current date into Julian 
date format but I'm have difficulty going the other way...Julian date to 
standard date such as MM/DD/YY.

I've tried tries a number of ways to format the DATE function to do this 
without any success.

I surrender.

File_Juldate = DATE('J',FILE_DATE)Doesn't work.

Any help with this will be appreciated.

Thanks
 
 
_
Hotmail® goes with you. 
http://windowslive.com/Tutorial/Hotmail/Mobile?ocid=TXT_TAGLM_WL_HM_Tutorial_Mobile1_052009

Re: REXX Date Function Help...Please

[Edward M Martin]

Hello Howard,

 

>From z/VM 5.3  Help REXX DATE

 

 


>>--DATE(--.---.--.-.--)--->
<

   |(1)|  '-| Group 1 |-'


   '-output_date_format' 

 

And then reference (1)

Has 

NOTE:


(1)  If the Century or Julian format is specified, then no other options


 are permitted. These two formats are provided for compatibility
with

 programs written for releases prior to VM/ESA(R) version 2 release


 1.1. It is recommended that they not be used for new programs.


 

It would seem that if you specify Julian format you have to use today's
date.

 


 

Ed Martin

Aultman Health Foundation

330-363-5050

ext 35050



From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Scott Rohling
Sent: Tuesday, May 12, 2009 10:05 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: REXX Date Function Help...Please

 

For the group (sent this to Howard personally when I did a reply):

Is this what you mean?:

jday = date('J')
Say DATE('U',jday,'J')

On DATE:  the first parm is the output format (USA) - the 2nd is the
input date - the 3rd is the input date format.

Scott

On Tue, May 12, 2009 at 7:57 PM, Howard Rifkind 
wrote:

I have the DATE function working in order to get the current date into
Julian date format but I'm have difficulty going the other way...Julian
date to standard date such as MM/DD/YY.

I've tried tries a number of ways to format the DATE function to do this
without any success.

I surrender.

File_Juldate = DATE('J',FILE_DATE)Doesn't work.

Any help with this will be appreciated.

Thanks

 

 

Re: VMARC UNPK question

[Bauer, Bobby (NIH/CIT) [E]]

And thanks Mark.

Bobby Bauer
Center for Information Technology
National Institutes of Health
Bethesda, MD 20892-5628
301-594-7474
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf 
Of Mark Pace
Sent: Wednesday, May 13, 2009 9:22 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: VMARC UNPK question

vmarc unpk rxserver vmarc i = = i
On Wed, May 13, 2009 at 9:13 AM, Bauer, Bobby (NIH/CIT) [E] 
mailto:baue...@mail.nih.gov>> wrote:
I'm attempting to unload the RXSERVER VMARC. I created a small minidisk to hold 
it. Uploaded it in binary and issued:

PIPE <  rxserver VMARC i | fblock 80 00 | > rxserver VMARC i F 80
and
vmarc unpk rxserver vmarc i

but the files go to the A disk:

RXSERVER PACKAGE  A2. Bytes in=  2320, bytes out=  3413 (   147%).
RXSERVER README   A2. Bytes in=  3600, bytes out=  6063 (   168%).
RXSERVER MIGRATE  A1. Bytes in=  5680, bytes out= 10354 (   182%).
 etc

How do I point them to the 'I' disk?


Bobby Bauer
Center for Information Technology
National Institutes of Health
Bethesda, MD 20892-5628
301-594-7474





--
Mark Pace
Mainline Information Systems
1700 Summit Lake Drive
Tallahassee, FL. 32317

Re: VMARC UNPK question

[Thomas Kern]

VMARC UNPACK rxserver vmarc I * * I

/Tom Kern

Bauer, Bobby (NIH/CIT) [E] wrote:
> I'm attempting to unload the RXSERVER VMARC. I created a small minidisk to 
> hold it. Uploaded it in binary and issued:
> 
> PIPE <  rxserver VMARC i | fblock 80 00 | > rxserver VMARC i F 80
> and 
> vmarc unpk rxserver vmarc i   
> 
> but the files go to the A disk:
> 
> RXSERVER PACKAGE  A2. Bytes in=  2320, bytes out=  3413 (   147%). 
> RXSERVER README   A2. Bytes in=  3600, bytes out=  6063 (   168%). 
> RXSERVER MIGRATE  A1. Bytes in=  5680, bytes out= 10354 (   182%).
>   etc
> 
> How do I point them to the 'I' disk?
> 
> 
> Bobby Bauer
> Center for Information Technology
> National Institutes of Health
> Bethesda, MD 20892-5628
> 301-594-7474
> 
> 
>  
> 

Re: VMARC UNPK question

[Scott Rohling]

vmarc unpk rxserver vmarc i = = i

Scott

On Wed, May 13, 2009 at 7:13 AM, Bauer, Bobby (NIH/CIT) [E] <
baue...@mail.nih.gov> wrote:

> I'm attempting to unload the RXSERVER VMARC. I created a small minidisk to
> hold it. Uploaded it in binary and issued:
>
> PIPE <  rxserver VMARC i | fblock 80 00 | > rxserver VMARC i F 80
> and
> vmarc unpk rxserver vmarc i
>
> but the files go to the A disk:
>
> RXSERVER PACKAGE  A2. Bytes in=  2320, bytes out=  3413 (   147%).
> RXSERVER README   A2. Bytes in=  3600, bytes out=  6063 (   168%).
> RXSERVER MIGRATE  A1. Bytes in=  5680, bytes out= 10354 (   182%).
>  etc
>
> How do I point them to the 'I' disk?
>
>
> Bobby Bauer
> Center for Information Technology
> National Institutes of Health
> Bethesda, MD 20892-5628
> 301-594-7474
>
>
>
>

Re: Oops and finding passwords on a system...

[Huegel, Thomas]

By the way, the object directory is not stored encrypted..
Just some food for thought.



From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
Behalf Of Scott Rohling
Sent: Wednesday, May 13, 2009 7:48 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: Oops and finding passwords on a system...


1DB contains the 'monolithic' USER BACKUP which is easier to
read/traverse then the clustered source directory on 1DF..

Scott


On Wed, May 13, 2009 at 6:42 AM, Ray Waters
 wrote:


Robert,



Wouldn't the DIRMAINT 1DF mdisk be the one you need? 1DB is the
backup mdisk.



   MDISK 01DF 3390 3075 018 540W02 MR

   MDISK 01DB 3390 1421 009 540W02 MR





Ray Waters





From: The IBM z/VM Operating System
[mailto:ib...@listserv.uark.edu] On Behalf Of RPN01
Sent: Tuesday, May 12, 2009 2:36 PM

To: IBMVM@LISTSERV.UARK.EDU

Subject: Oops and finding passwords on a system...





I didn't log in for awhile and, due to advancing age (actually a
year older tomorrow too), I've forgotten what I made the MAINT password.
And, since this was also the main password used for almost all the
service machines, I don't have any other locations to log into that
would help me. I know; stupid. :(

Could someone with a zVM 540 system please tell me the starting
cylinder of the DIRMAINT 1DB minidisk? I don't think we had any reason
to relocate it, so, I think, with that and a DEFINE MINIDISK command
from OPERATOR (my one working userid) I can get the password I need to
regain control and save some face (other than here, since I've confessed
to you all).

Thanks to one and all for keeping this as quiet as possible.

--
Robert P. Nix  Mayo Foundation.~.
RO-OE-5-55 200 First Street SW/V\
507-284-0844   Rochester, MN 55905  /( )\
-^^-^^
"In theory, theory and practice are the same, but
 in practice, theory and practice are different."




NOTICE:
This e-mail is intended solely for the use of the individual to
whom it is addressed and may contain information that is privileged,
confidential or otherwise exempt from disclosure. If the reader of this
e-mail is not the intended recipient or the employee or agent
responsible for delivering the message to the intended recipient, you
are hereby notified that any dissemination, distribution, or copying of
this communication is strictly prohibited. If you have received this
communication in error, please immediately notify us by replying to the
original message at the listed email address. Thank You.

Re: Oops and finding passwords on a system...

[David Kreuter]

And unless you change the timings in its wakeup file the USER BACKUP on 1DF is created just after midnight and/or DIRM USER BACKUP dynamic command. Without changing time or using the command you always have a directory less than 24 hours old. 
David
 

 Original Message Subject: Re: [IBMVM] Oops and finding passwords on a system...From: Scott Rohling Date: Wed, May 13, 2009 8:48 amTo: IBMVM@LISTSERV.UARK.EDU1DB contains the 'monolithic' USER BACKUP which is easier to read/traverse then the clustered source directory on 1DF..Scott
On Wed, May 13, 2009 at 6:42 AM, Ray Waters  wrote:




Robert,
 
Wouldn’t the DIRMAINT 1DF mdisk be the one you need? 1DB is the backup mdisk.
 
   MDISK 01DF 3390 3075 018 540W02 MR   

   MDISK 01DB 3390 1421 009 540W02 MR 
 
 
Ray Waters



From: The IBM z/VM Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf Of RPN01Sent: Tuesday, May 12, 2009 2:36 PM 
To: IBMVM@LISTSERV.UARK.EDUSubject: Oops and finding passwords on a system...



 
I didn’t log in for awhile and, due to advancing age (actually a year older tomorrow too), I’ve forgotten what I made the MAINT password. And, since this was also the main password used for almost all the service machines, I don’t have any other locations to log into that would help me. I know; stupid. :(Could someone with a zVM 540 system please tell me the starting cylinder of the DIRMAINT 1DB minidisk? I don’t think we had any reason to relocate it, so, I think, with that and a DEFINE MINIDISK command from OPERATOR (my one working userid) I can get the password I need to regain control and save some face (other than here, since I’ve confessed to you all).Thanks to one and all for keeping this as quiet as possible.-- Robert P. Nix  Mayo Foundation    .~.     RO-OE-5-55 200 First Street SW    /V\ 507-284-0844   Rochester, MN 55905  /( )\   -    ^^-^^  "In theory, theory and practice are the same, but in practice, theory and practice are different." 

NOTICE:This e-mail is intended solely for the use of the individual to whom it is addressed and may contain information that is privileged, confidential or otherwise exempt from disclosure. If the reader of this e-mail is not the intended recipient or the employee or agent responsible for delivering the message to the intended recipient, you are hereby notified that any dissemination, distribution, or copying of this communication is strictly prohibited. If you have received this communication in error, please immediately notify us by replying to the original message at the listed email address. Thank You.

Re: VMARC UNPK question

[Mark Pace]

vmarc unpk rxserver vmarc i = = i

On Wed, May 13, 2009 at 9:13 AM, Bauer, Bobby (NIH/CIT) [E] <
baue...@mail.nih.gov> wrote:

> I'm attempting to unload the RXSERVER VMARC. I created a small minidisk to
> hold it. Uploaded it in binary and issued:
>
> PIPE <  rxserver VMARC i | fblock 80 00 | > rxserver VMARC i F 80
> and
> vmarc unpk rxserver vmarc i
>
> but the files go to the A disk:
>
> RXSERVER PACKAGE  A2. Bytes in=  2320, bytes out=  3413 (   147%).
> RXSERVER README   A2. Bytes in=  3600, bytes out=  6063 (   168%).
> RXSERVER MIGRATE  A1. Bytes in=  5680, bytes out= 10354 (   182%).
>  etc
>
> How do I point them to the 'I' disk?
>
>
> Bobby Bauer
> Center for Information Technology
> National Institutes of Health
> Bethesda, MD 20892-5628
> 301-594-7474
>
>
>
>


-- 
Mark Pace
Mainline Information Systems
1700 Summit Lake Drive
Tallahassee, FL. 32317

VMARC UNPK question

[Bauer, Bobby (NIH/CIT) [E]]

I'm attempting to unload the RXSERVER VMARC. I created a small minidisk to hold 
it. Uploaded it in binary and issued:

PIPE <  rxserver VMARC i | fblock 80 00 | > rxserver VMARC i F 80
and 
vmarc unpk rxserver vmarc i 

but the files go to the A disk:

RXSERVER PACKAGE  A2. Bytes in=  2320, bytes out=  3413 (   147%). 
RXSERVER README   A2. Bytes in=  3600, bytes out=  6063 (   168%). 
RXSERVER MIGRATE  A1. Bytes in=  5680, bytes out= 10354 (   182%).
  etc

How do I point them to the 'I' disk?


Bobby Bauer
Center for Information Technology
National Institutes of Health
Bethesda, MD 20892-5628
301-594-7474


 

Re: Oops and finding passwords on a system...

[Scott Rohling]

1DB contains the 'monolithic' USER BACKUP which is easier to read/traverse
then the clustered source directory on 1DF..

Scott

On Wed, May 13, 2009 at 6:42 AM, Ray Waters wrote:

>   Robert,
>
>
>
> Wouldn’t the DIRMAINT 1DF mdisk be the one you need? 1DB is the backup
> mdisk.
>
>
>
>MDISK 01DF 3390 3075 018 540W02 MR
>
>MDISK 01DB 3390 1421 009 540W02 MR
>
>
>
>
>
> Ray Waters
>  --
>
> *From:* The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] *On
> Behalf Of *RPN01
> *Sent:* Tuesday, May 12, 2009 2:36 PM
> *To:* IBMVM@LISTSERV.UARK.EDU
> *Subject:* Oops and finding passwords on a system...
>
>
>
> I didn’t log in for awhile and, due to advancing age (actually a year older
> tomorrow too), I’ve forgotten what I made the MAINT password. And, since
> this was also the main password used for almost all the service machines, I
> don’t have any other locations to log into that would help me. I know;
> stupid. :(
>
> Could someone with a zVM 540 system please tell me the starting cylinder of
> the DIRMAINT 1DB minidisk? I don’t think we had any reason to relocate it,
> so, I think, with that and a DEFINE MINIDISK command from OPERATOR (my one
> working userid) I can get the password I need to regain control and save
> some face (other than here, since I’ve confessed to you all).
>
> Thanks to one and all for keeping this as quiet as possible.
>
> --
> Robert P. Nix  Mayo Foundation.~.
> RO-OE-5-55 200 First Street SW/V\
> 507-284-0844   Rochester, MN 55905  /( )\
> -^^-^^
> "In theory, theory and practice are the same, but
>  in practice, theory and practice are different."
>
> --
> NOTICE:
> This e-mail is intended solely for the use of the individual to whom it is
> addressed and may contain information that is privileged, confidential or
> otherwise exempt from disclosure. If the reader of this e-mail is not the
> intended recipient or the employee or agent responsible for delivering the
> message to the intended recipient, you are hereby notified that any
> dissemination, distribution, or copying of this communication is strictly
> prohibited. If you have received this communication in error, please
> immediately notify us by replying to the original message at the listed
> email address. Thank You.
>

Re: Oops and finding passwords on a system...

[Ray Waters]

Robert,

Wouldn't the DIRMAINT 1DF mdisk be the one you need? 1DB is the backup mdisk.

   MDISK 01DF 3390 3075 018 540W02 MR
   MDISK 01DB 3390 1421 009 540W02 MR


Ray Waters

From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf 
Of RPN01
Sent: Tuesday, May 12, 2009 2:36 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Oops and finding passwords on a system...

I didn't log in for awhile and, due to advancing age (actually a year older 
tomorrow too), I've forgotten what I made the MAINT password. And, since this 
was also the main password used for almost all the service machines, I don't 
have any other locations to log into that would help me. I know; stupid. :(

Could someone with a zVM 540 system please tell me the starting cylinder of the 
DIRMAINT 1DB minidisk? I don't think we had any reason to relocate it, so, I 
think, with that and a DEFINE MINIDISK command from OPERATOR (my one working 
userid) I can get the password I need to regain control and save some face 
(other than here, since I've confessed to you all).

Thanks to one and all for keeping this as quiet as possible.

--
Robert P. Nix  Mayo Foundation.~.
RO-OE-5-55 200 First Street SW/V\
507-284-0844   Rochester, MN 55905  /( )\
-^^-^^
"In theory, theory and practice are the same, but
 in practice, theory and practice are different."


NOTICE:
This e-mail is intended solely for the use of the individual to whom it is 
addressed and may contain information that is privileged, confidential or 
otherwise exempt from disclosure. If the reader of this e-mail is not the 
intended recipient or the employee or agent responsible for delivering the 
message to the intended recipient, you are hereby notified that any 
dissemination, distribution, or copying of this communication is strictly 
prohibited. If you have received this communication in error, please 
immediately notify us by replying to the original message at the listed email 
address. Thank You.

Dress for warm weather for WAVV

[Tony Thigpen]

Weather is going to be in the mid to upper 80's all week. (Upper 30's 
for our foreign visitors.) Only going to be down to the upper 60's at 
night. (20's.) For many of you, the night time temps will be the same as 
your daytime highs right now.


DON'T stay outside long without sun block. Even if it's cloudy, you can 
still burn in a very short time. Most visitors think that if it's 
cloudy, you can't burn, but that is not true here. We don't need to see 
a lot of lobsters this weekend. Airline flight is bad enough, just think 
what it would be like with a sunburn. :-(


There had been a shuttle launch scheduled for the first of next week, 
but it has been postponed because another shuttle launched just a few 
days ago. It will not return until several days after WAVV so you will 
not be able to see a landing. No Delta launches either. Sorry.


--

Tony Thigpen

Re: z/VM 5.4 install

[Charles Grady]

8 trk -- you youngen.. What about the 7 trk?


>>> jab...@cornell.edu 05/12/09 10:04PM >>>
Mike--You must be just a kid.  I remember installing from 800BPI tapes 
and using 556FCI tapes (flux changes per inch).  I remember, 30 years or 
so ago, taking my son to the data center on a Saturday and him spending 
the morning rolling old DTR's (remember them) the length of the floor or 
as far as they went since IBM only used as much tape as necessary to 
ship PTF's on them.

Jim

Mike Walter wrote:
>> ..Besides, I'm a throwback to tape (going back to round, 
>> 8-track, 1600BPI tape installs).
>>
>> Mike Walter
>> Hewitt Associates
>>
>> 
-- 
Jim Bohnsack
Cornell University
(972) 596-6377 home/office
(972) 342-5823 cell
jab...@cornell.edu 


**
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