Re: z/VM 5.4 TCP/IP stack name

2011-05-27 Thread Alan Altmark
On Friday, 05/27/2011 at 07:48 EDT, "E. Roller" 
 wrote:
> Yesterday  I tried to rename one of my two TCPIP Stacks.
> I have TCPIP and TCPIP02 and wanted to rename TCPIP to TCPIP01.
> After doing that with the appropiate file and parameter updates,
> I was not able to do a NETSTAT command against TCPIP01,
> I got VM-Intercommunication errors.
> 
> Maybe a silly question, but before I go into deeper investigation,
> I want to know if it is necessary to have the first stack named TCPIP.

It's not necessary, no, but you are going to create more trouble for 
yourself than you need.

- Since the user ID is provided by IBM, you will have to do a PPF override 
so that SERVICE and PUT2PROD know what you've done.
- Create :Type.SERVER entries in SYSTEM DTCPARMS for all servers and 
specify the :Stack. tag as appropriate.  (Warning: Do not change IBM 
DTCPARMS and do not perform a mass copy of IBM DTCPARMS to SYSTEM 
DTCPARMS.)
- Change TCPIP DATA to include the TCPIPUSERID statement to point to your 
stack

You may want to leave TCPIP in the directory (NOLOG) in order to provide 
indirect minidisk links to the 198, 591, and 592 just in case someone says 
LINK TCPIP instead of LINK TCPMAINT.

The maxim that you don't change or delete what IBM provides, but only add 
to it, is a good one.  While PPF overrides work well for service, there is 
no generally accessible system registry (e.g. some form of system 
environment variables) to let the rest of the system know what it is 
you've done.

My recommendation:  Create all the stacks you want, but leave TCPIP & Co. 
alone.  Use the suite as your "master" TCP/IP instance, even if you don't 
bring them up.

Alan Altmark

z/VM and Linux on System z Consultant
IBM System Lab Services and Training 
ibm.com/systems/services/labservices 
office: 607.429.3323
mobile; 607.321.7556
alan_altm...@us.ibm.com
IBM Endicott


z/VM 5.4 TCP/IP stack name

2011-05-27 Thread E. Roller
Thank you Kris, the wrong TCPIP DATA has been active...

I felt that this was a silly question ... :-)

But I have had a long evening yesterday


Re: z/VM 5.4 TCP/IP stack name

2011-05-27 Thread Kris Buelens
The name of the default TCPIP stack is in a CMS file named TCPIP DATA.  So,
what's in yours?  (and I guess that if there is no TCPIP DATA, TCPIP is the
default stack name).

2011/5/27 E. Roller 

> Yesterday  I tried to rename one of my two TCPIP Stacks.
> I have TCPIP and TCPIP02 and wanted to rename TCPIP to TCPIP01.
> After doing that with the appropiate file and parameter updates,
> I was not able to do a NETSTAT command against TCPIP01,
> I got VM-Intercommunication errors.
>
> Maybe a silly question, but before I go into deeper investigation,
> I want to know if it is necessary to have the first stack named TCPIP.
>
> Going back from TCPIP01 to TCPIP: both stacks work well.
>
> Ewald Roller
>



-- 
Kris Buelens,
IBM Belgium, VM customer support


z/VM 5.4 TCP/IP stack name

2011-05-27 Thread E. Roller
Yesterday  I tried to rename one of my two TCPIP Stacks.
I have TCPIP and TCPIP02 and wanted to rename TCPIP to TCPIP01.
After doing that with the appropiate file and parameter updates,  
I was not able to do a NETSTAT command against TCPIP01,
I got VM-Intercommunication errors.

Maybe a silly question, but before I go into deeper investigation,  
I want to know if it is necessary to have the first stack named TCPIP.

Going back from TCPIP01 to TCPIP: both stacks work well.

Ewald Roller