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| Cluster for Load balancing |
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| venkat kurra |
 Posted: Fri Apr 19, 2002 10:32 am Post subject: |
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Master
Joined: 18 Oct 2001
Posts: 245
Location: Bloomington , IL
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HI,
I did clustering work before for load distribution.But right now in this new project usage of clustering is not doing any load balancing.The setup is....
Assume 10 queue managers which are not in cluster.These queue managers talk to end clients or users.These 10 queue managers send data to os/390 or AS/400.to reduce trafic and some additional reasons take 2 middle servers(windows 2000) and used to send data to OS/390 or AS/400.Now the idea is microsoft clustering and second one is mqclustering.if we take mqclustering then how can it load balancing?even if it is in cluster we need sender and receiver channel to communicate out side the cluster queue manager.Non cluster queue manager need remote queue and xmitq to send message to qmanager which is in the cluster.Any one have idea about this?straight forward statement is 10 qmgrs should not be in cluster.5 connected to one qmgr other 5 to another qmgr.if any qmgr fails all are connected to acivated one.it is possible if these are mqclients and using client channel tables.but all are qmgrs.
_________________
Thanks,
Venkat Kurra
IBM Certified Specialist-MQSeries
IBM Websphere MQSeries Administrator
IBM WebSphere Message Broker System Admin |
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| venkat kurra |
| Posted: Mon Apr 22, 2002 7:45 am Post subject: |
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Master
Joined: 18 Oct 2001
Posts: 245
Location: Bloomington , IL
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take 4 queue managers QM1,QM2,QM3,and QM4.QM1 and QM2 are full repository.QM3 is partial repository.QM4 is not in cluster.CLUSTERQ is shared local queue in QM1 and QM2.Client can put messages with help of QM3 and these messages automatically goes QM1 and QM2(load balancing).But in my scenario i want to send messages from QM4 to QM3 CLUSTERQ.I created remote queue CLUSTERQ on QM4 and has sender channel to connect to QM3.Here if i send message to QM3 CLUSTERQ(clusterq created by QM1 and QM2) then it goes to SYSTEM.DEAD.LETTER.QUEUE on QM3.And i am able to send message to CLUSTERQ on QM1 and QM2 from non cluster queue manager QM4.
How can i send message to clusterq from non cluster queue manager remote queue?
_________________
Thanks,
Venkat Kurra
IBM Certified Specialist-MQSeries
IBM Websphere MQSeries Administrator
IBM WebSphere Message Broker System Admin |
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| oz1ccg |
| Posted: Tue Apr 23, 2002 3:51 am Post subject: |
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Yatiri
Joined: 10 Feb 2002
Posts: 628
Location: Denmark
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In the "Queue Manager Cluster" manual there are a section covering the topic:
"Putting from a queue manager outside the cluster - alternative":
On the gateway queue manager(QM3) define a queue-manager alias called, for
example, ANY.CLUSTER:
DEFINE QREMOTE(ANY.CLUSTER) RNAME(' ') RQMNAME(' ')
This maps any response to the queue manager ANY.CLUSTER to 'null', which
means the QREMOTE definition in the queue manager outside the cluster can
use the queue manager name ANY.CLUSTER instead of having to use the exact
queue manager name. Therefore, on the queue manager outside the cluster,
the definition:
DEFINE QREMOTE(Q2) RNAME(Q2) RQMNAME(ANY.CLUSTER) XMITQ(QM3)
would cause messages to go to QM3 initially, and from there be routed to
any queue manager in the cluster that hosts the cluster queue Q2.
It seems to do the trick .... 
_________________
Regards, Jørgen
Home of BlockIP2, the last free MQ Security exit ver. 3.00
Cert. on WMQ, WBIMB, SWIFT. |
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| venkat kurra |
| Posted: Tue Apr 23, 2002 6:27 am Post subject: |
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Master
Joined: 18 Oct 2001
Posts: 245
Location: Bloomington , IL
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Thanks Pedersen.
Now it is working fine
_________________
Thanks,
Venkat Kurra
IBM Certified Specialist-MQSeries
IBM Websphere MQSeries Administrator
IBM WebSphere Message Broker System Admin |
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