Re: OSA-ICC console and POR (solved)

2014-07-21 Thread R.S. 

(For record purposes)

The problem origin was in wrong terminal emulator setup.
Actually "auto connect" was not in effect.
I checked it: POR with auto-connect enabled and indeed the session was 
reconnected during the POR.


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Re: OSA-ICC console and POR

2014-07-21 Thread R.S. 

W dniu 2014-07-20 21:32, John McKown pisze:

[...]

So, what emulator are you using? Do you know if it has an automatic
poll to reconnect on disconnect option?




Some explanations:
1. I believe it's not z/OS issue, it is "hardware" (actually ICC + 
terminal emulator) problem.

2.  The emulator is IBM PCOMM. IMHO the most compatible emulator ;-)

BTW: I think I found the reason, but I have to test it before I write 
about it.




P.S. Despite your fine attempts, I am just not able to learn Polish. 


my attempts? I'm not going to teach polish anyone ;-)


Regards

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Radoslaw Skorupka
Lodz, Poland






---
Treść tej wiadomości może zawierać informacje prawnie chronione Banku 
przeznaczone wyłącznie do użytku służbowego adresata. Odbiorcą może być jedynie 
jej adresat z wyłączeniem dostępu osób trzecich. Jeżeli nie jesteś adresatem 
niniejszej wiadomości lub pracownikiem upoważnionym do jej przekazania 
adresatowi, informujemy, że jej rozpowszechnianie, kopiowanie, rozprowadzanie 
lub inne działanie o podobnym charakterze jest prawnie zabronione i może być 
karalne. Jeżeli otrzymałeś tę wiadomość omyłkowo, prosimy niezwłocznie 
zawiadomić nadawcę wysyłając odpowiedź oraz trwale usunąć tę wiadomość 
włączając w to wszelkie jej kopie wydrukowane lub zapisane na dysku.

This e-mail may contain legally privileged information of the Bank and is 
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mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa, www.mBank.pl, e-mail: kont...@mbank.pl 
Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, nr rejestru przedsiębiorców KRS 025237, NIP: 526-021-50-88. Według stanu na dzień 01.01.2014 r. kapitał zakładowy mBanku S.A. (w całości wpłacony) wynosi 168.696.052 złote.



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Re: OSA-ICC console and POR

2014-07-21 Thread Shmuel Metz (Seymour J.) 
In
,
on 07/20/2014
   at 02:32 PM, John McKown  said:

>local non-SNA 3270

That's the option that the OP is concerned with, but there are others.
Whether the performance issues with them have been fixed, I don't
know.
 
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(S877: The Shut up and Eat Your spam act of 2003)

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Re: OSA-ICC console and POR

2014-07-20 Thread John McKown 
On Sun, Jul 20, 2014 at 1:22 PM, R.S.  wrote:
> In the old times of 3174 (not so old for me), the console was able to
> reconnect automatically after POR. So the console could work as a NIP or
> later as MCS console.
> I observed that OSA-ICC console (actually emulator session) do not reconnect
> automatcially after POR. The session has enabled "automatically connect"
> option, but it didn't help.
> In fact it's not big problem to manually reconnect the session to the ICC,
> but I would like to have the consoles as in good old days of 3174.
>
> Any clue?
>
> --
> Radoslaw Skorupka
> Lodz, Poland

I am not a hardware guru.  Just to consolidate things in my head. Back
in those days (and even today) certain "local non-SNA" 3270 devices
were generated in the SYSGEN (now the HCD and CONSOLxx member) as
being CONSOLES. With z/OS, there are two classes of consoles NIPCONS
and normal consoles. The NIPCONS are in the HCD. The normal consoles
are in the CONSOLxx member of PARMLIB. At IPL, NIP reads in the HCD
and finds the NIPCONS. NIP uses these local non-SNA 3270 device
addresses, if active, as consoles until the CONSOLE address space
starts up. Then the local non-SNA 3270 address in the CONSOLxx member
are activated.

The above worked well in the real 3174 time frame because the 3270
terminals were "always connected" directly to the z machine, via a
3174 on a channel. In the OSA-ICC world, the OSA is emulating a local
non-SNA controller. And is always telling whomever asks "Yes, the
device at address  is working fine, feel free to send data!". In
reality, the OSA is keeping a virtual 3270 buffer in its memory and
mainly not doing much with it. Eventually, somebody on a PC will use a
TN3270 emulator to connect to the OSA-ICC. The OSA-ICC will then
associate that TN3270 session with one of its 3270 virtual devices and
the user sees the 3270 screen.

The problem now can be restated as "how can I have the TN3270
emulators on specific PCs detect that the z/OS system has disconnected
due to being IPL'd and have it, the emulator, periodically attempt to
reconnect to the OSA-ICC". This stops being a z/OS question and
becomes a PC Emulator question. Have you considered the x3270
emulator? It is not "top of the line" by any means. But by proper use
of the ~/.x3270pro file, the keyboard can be configured along with
other configuration options. And, at least on Linux, it could be
started at Linux BOOT time. The magic is the "-reconnect" switch. The
command might look something like:

x3270 -reconnect luname@hostname

So, what emulator are you using? Do you know if it has an automatic
poll to reconnect on disconnect option?

Note that I have a vague idea that it might be possible, somehow, to
have a z/OS STC run at IPL time which can "send a message" (SNMP
trap?) to "some server" (or to the PCs running the TN3270 emulator)
which could then "somehow" (script?) cause the TN3270 emulator to be
started or to reconnect to the OSA-ICC. Long ago, we had a PC which
ran Rumba. This Rumba had a "workbook" which had 3270 printers defined
in it. These were CICS printers which used to exist. The Rumba
printers emulated 3287s and each virtual 3287 was associated with a
Windows printer. I don't remember how, but we had this set up to
automatically reconnect the 3287 printer sessions when they
disconnected. IIRC, when disconnected, they would attempt to reconnect
every 2? minutes until they succeeded. This is a little fuzzy. But
"fuzzy logic" is all the rage now, right?

--
P.S. Despite your fine attempts, I am just not able to learn Polish. 

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Maranatha! <><
John McKown

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OSA-ICC console and POR

2014-07-20 Thread R.S. 
In the old times of 3174 (not so old for me), the console was able to 
reconnect automatically after POR. So the console could work as a NIP or 
later as MCS console.
I observed that OSA-ICC console (actually emulator session) do not 
reconnect automatcially after POR. The session has enabled 
"automatically connect" option, but it didn't help.
In fact it's not big problem to manually reconnect the session to the 
ICC, but I would like to have the consoles as in good old days of 3174.


Any clue?

--
Radoslaw Skorupka
Lodz, Poland






--
Treść tej wiadomości może zawierać informacje prawnie chronione Banku 
przeznaczone wyłącznie do użytku służbowego adresata. Odbiorcą może być jedynie 
jej adresat z wyłączeniem dostępu osób trzecich. Jeżeli nie jesteś adresatem 
niniejszej wiadomości lub pracownikiem upoważnionym do jej przekazania 
adresatowi, informujemy, że jej rozpowszechnianie, kopiowanie, rozprowadzanie 
lub inne działanie o podobnym charakterze jest prawnie zabronione i może być 
karalne. Jeżeli otrzymałeś tę wiadomość omyłkowo, prosimy niezwłocznie 
zawiadomić nadawcę wysyłając odpowiedź oraz trwale usunąć tę wiadomość 
włączając w to wszelkie jej kopie wydrukowane lub zapisane na dysku.

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mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa, www.mBank.pl, e-mail: kont...@mbank.pl 
Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, nr rejestru przedsiębiorców KRS 025237, NIP: 526-021-50-88. Według stanu na dzień 01.01.2014 r. kapitał zakładowy mBanku S.A. (w całości wpłacony) wynosi 168.696.052 złote.



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