The newer OSAs (OSA Express 3) can have more than one port on a single
Chpid. I read this
OSA-Express3 Four-Port Connectivity
as some new feature in 5.4 (available via PTF in 5.3). Such a card has 4
ports and two chpids.
http://publib.boulder.ibm.com/infocenter/zvm/v5r4/index.jsp?topic=/com.ibm.zvm.v54.hcpa6/oe2mpf.htm
2009/10/12 Anson <[email protected]>
> 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:
>>
>> RDEV: F114.P00 VDEV: F114 Controller: DTCVSW1
>> RDEV: F118.P00 VDEV: F118 Controller: DTCVSW2 BACKUP
>>
>> OR:
>>
>> RDEV: F114.P00 VDEV: F114 Controller: DTCVSW2
>> RDEV: F118.P00 VDEV: F118 Controller: DTCVSW1 BACKUP
>>
>>
>>
>> I don't know why it could happened... Is there anyone can answer this
>> question?
>>
>>
>>
>>
>>
>> Anson Y.
>>
>> ------------------------------
>> 好玩贺卡等你发，邮箱贺卡全新上线！<http://cn.rd.yahoo.com/mail_cn/tagline/card/*http://card.mail.cn.yahoo.com/>
>>
>
>
>
> --
> Kris Buelens,
> IBM Belgium, VM customer support
>
> ------------------------------
> 好玩贺卡等你发，邮箱贺卡全新上线！<http://cn.rd.yahoo.com/mail_cn/tagline/card/*http://card.mail.cn.yahoo.com/>
>
--
Kris Buelens,
IBM Belgium, VM customer support
