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| Client Channel Table |
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| karthikt |
 Posted: Fri May 23, 2003 2:16 am Post subject: Client Channel Table |
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Novice
Joined: 23 May 2003
Posts: 13
Location: India
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Hi,
I want to connect multiple Q.Manager through MQCHLLIB, MQCHLTAB variable.
Please guide me to build the channel table.
Thanks
Karthik |
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| pgorak |
| Posted: Fri May 23, 2003 4:22 am Post subject: |
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Disciple
Joined: 15 Jul 2002
Posts: 158
Location: Cracow, Poland
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Say we have two QMs: A and B. On both QMs, we define SVRCONN channels. Then, we define two CLNTCONN channels on qmgr A (with proper QM names and connames), so that A produces the client channel table defining connections to both itself and qmgr B. Now, we can use the table to connect to either A or B via MQSeries Client.
Hope this helps.
Piotr |
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| mktgurutsm |
| Posted: Tue Jan 27, 2004 10:55 am Post subject: How does MQClient know which QMGR???? |
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Novice
Joined: 08 Jan 2004
Posts: 21
Location: New York
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The last post was:
Say we have two QMs: A and B. On both QMs, we define SVRCONN channels. Then, we define two CLNTCONN channels on qmgr A (with proper QM names and connames), so that A produces the client channel table defining connections to both itself and qmgr B. Now, we can use the table to connect to either A or B via MQSeries Client.
But, how does the MQSeries Client know or target which QMGR to go to?
Say the Channel table has 5 QMGR's in it with a different channel for each. Do multiple MQClients access the Channel table? If so, how does the Channel table direct them to the correct QMGR and Channel? |
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| Prahasith |
| Posted: Tue Jan 27, 2004 11:49 am Post subject: |
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Disciple
Joined: 16 May 2003
Posts: 184
Location: Kansas City
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Refer to this Chapter # 13
http://publibfp.boulder.ibm.com/epubs/html/csqzaf07/csqzaf07tfrm.htm
| Quote: |
Multiple queue managers
You might choose to define connections to more than one server machine because:
>You need a backup system.
>You want to be able to move your queue managers without changing any application code.
>You need to access multiple queue managers, and this requires the least resource.
Define your client-connection and server-connection channels on one queue manager only, including those channels that connect to a second or third queue manager. Do not define them on two queue managers and then try to merge the two client channel definition tables; this cannot be done. Only one client channel definition table can be accessed by the client. |
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