Hi Kris,
 
Thanks for your response!  In regarding to the first question. I also read this 
defition from manual book.  But I don't understand the term of 'port number'. 
What kind of port could have value from 0-F? Is there any special meaning or 
function to specify this number? How to know the port number correlated to the 
OSA address?  Thanks!
 
Anson. Y




________________________________
发件人: Kris Buelens <[email protected]>
收件人: [email protected]
已发送: 周一, 10 12, 2009 2:34:46 下午
主 题: Re: zVM 5.4 Question

The first one - Pnn appended - is surely caused by that z/VM 5.4 supports the 
newer OSA flavors that have more than one port.  HELP DEFINE VSWICTH tells you 
the following:
                                                                               
 RDEV nnnn                                                                     
 RDEV nnnn.Pnn                                                                 
     is a real device number or a real device number and OSA Express port      
     number to be used to connect the virtual switch to a QDIO OSA Express     
     device. Specify each real device number as a 1- to 4-digit hexadecimal    
     number.  If specifying a real device and an OSA-Express port number,      
     specify the real device number as a 1- to 4-digit hexadecimal number      
     followed by a period (.), the lettter 'P' (or 'p') followed by the port   
     number as a 1- to 2-digit hexadecimal number. For example, to specify port
     1 for RDEV 300, specify "300.P1." The value of the port number depends on 
     how many ports the OSA-Express hardware feature supports. If the port     
     number is note specified, it will default to port 0.                      

Your second question: it shouldn't matter which of the two TCP/IP stacks gets 
the role of VSWITCH controller.  It probably depends on which the the two is 
ready first.  If you don't like this randomness, try including a CP SLEEP 1 SEC 
in the PROFILE EXEC of AUTOLOG1 (or AUTOLOG2 if you have RACF) between the 
XAUTOLOG of DTCVSW1 and 2


2009/10/12 Anson <[email protected]>


>
>We'v installed zVM 5.4 on our new z10 server. There are some differences from 
>zVM5.2 on z900.  Would you please help me out? Thanks!
>
> 
>We defined vswitch for zVM5.4.  Below is the configuration in SYSTEM CONFIG 
>file. 
>       DEFINE VSWITCH VSW1 RDEV F114 F118 CONTROLLER *
> 
>Below is the Q LAN result:      
>RDEV: F114.P00 VDEV: F114 Controller: DTCVSW1 
>>RDEV: F118.P00 VDEV: F118 Controller: DTCVSW2 BACKUP  
>There are two questions here:
>       *  There are Pnn after the OSA address while there is not such 
> information in zVM5.2 on z900.  (I didn't specify it, so P00 is default.) 
> Where can I get this port name? 
>       *  After I shutdown reipl the zVM, and issue 'Q LAN' command after zVM 
> restarted. The result would be random..... 
>           Either:  
>I don't know why it could happened... Is there anyone can answer this 
>question? 
>>>RDEV: F114.P00 VDEV: F114 Controller: DTCVSW2 
>>>RDEV: F118.P00 VDEV: F118 Controller: DTCVSW1 BACKUP
>>>  
>>RDEV: F114.P00 VDEV: F114 Controller: DTCVSW1 
>>>RDEV: F118.P00 VDEV: F118 Controller: DTCVSW2 BACKUP 
>>          OR: 
> 
> 
>Anson Y.
>________________________________
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-- 
Kris Buelens,
IBM Belgium, VM customer support



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