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| MQ Configuration Question ! |
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| ind76 |
 Posted: Fri Aug 16, 2002 8:08 am Post subject: MQ Configuration Question ! |
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Apprentice
Joined: 10 Apr 2002
Posts: 29
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Hi
I have noticed that many places use MQ Series on OS/390 as MQ Server communicating with MQ Series Server running on other platforms.
Is there any reason that MQ Series on OS/390 cannot be communicated using MQ client running on other platforms like Windows NT, AIX, SOLARIS etc.. using MQI channels ?
Can this be done ? I'm curious to know what kind of disadvantages or limitations in such a setup if possible to establish. Does anybody have experience with this ?
I appreciate your reply,
Thanks,
ind76 |
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| bduncan |
| Posted: Fri Aug 16, 2002 8:17 am Post subject: |
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Padawan
Joined: 11 Apr 2001
Posts: 1554
Location: Silicon Valley
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Yes. MQSeries Client on any supported platform can communicate with MQSeries Server on any platform. The only caveat with OS/390 is the ASCII/EBCDIC character set conversions you'll need to perform on the MQSeries messages sent between them.
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Brandon Duncan
IBM Certified MQSeries Specialist
MQSeries.net forum moderator |
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| ind76 |
| Posted: Fri Aug 16, 2002 8:51 am Post subject: |
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Apprentice
Joined: 10 Apr 2002
Posts: 29
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Thanks Brandon,
So, we need to have a data formatting tool to implement it in this way. Do you have experience using any such formatting tools ? Is it commonly used pratice or people use MQ Server to communicated with OS/390 instead ?
ind76 |
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| PeterPotkay |
| Posted: Sat Aug 17, 2002 7:02 am Post subject: |
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Poobah
Joined: 15 May 2001
Posts: 7722
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MQ on OS/390 can accept client connections (If the client connect feature is installed). MQ on OS/390 cannot be a client that connects to other servers.
When a client puts or gets a message, the default action is for the CCSID to be that of the client. (Contrast this the a server apps default action which is to pick up the CCSID of the connected Queue Manager) If you have an NT client and it puts to a queue on the mainframe, the message will be in ASCII. No big deal, just specify the format as MQSTR and whoever GETS the message specifies MQGMO_CONVERT. The message will get converted properly, whether its picked up by a Solaris client or the Mainframe server or whatever.
Same thing if an OS/390 app puts an EBCIDIC message to a local queue and then an NT client goes to GET that message. MQ will convert it to what the Client needs (ASCII).
To get really tricky, you can specify the CCSID on the MQPUT(1) to override the client's CCSID. We do this for a mainframe emulation application we have that runs on NT. It would put out EBCIDIC messages (yes the NT app produced EBCIDIC), but MQ 's default action was to assign the NT CCSID to this message, which caused problems. So I changed my app to specify CCSID 500 on the MQPUT. Now the mainframe emulation app on NT was putting EBCIDIC data and the CCSID now agreed.
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Peter Potkay
Keep Calm and MQ On |
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| ind76 |
| Posted: Tue Aug 27, 2002 5:28 am Post subject: |
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Apprentice
Joined: 10 Apr 2002
Posts: 29
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Thank you Peter,
That is very helpful. I've one more question, is this Client Connect feature of OS/390 is part of the OS/390 for MQ Series installation package or it comes as a supportpac ?
Thanks a lot,
ind76 |
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| oz1ccg |
| Posted: Tue Aug 27, 2002 7:01 am Post subject: |
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Yatiri
Joined: 10 Feb 2002
Posts: 628
Location: Denmark
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The Client attachment feature is a feature you have to order (and pay for) from IBM. it's not part of the BASE product on OS/390.
The Client attachment feature have it's own FMID 
Just my $0.02 
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Regards, Jørgen
Home of BlockIP2, the last free MQ Security exit ver. 3.00
Cert. on WMQ, WBIMB, SWIFT. |
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