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| manishpnp |
 Posted: Thu Feb 21, 2008 3:52 am Post subject: MQ Cluster in AIX Environment |
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Apprentice
Joined: 21 Feb 2008
Posts: 46
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Hi experts,
I am new joinee in this group and working as a IBM WebSphere System Administrator in a small company.
Recently I have assigned some task for Install and Configuration MQ6.0 and Message Broker (cluster environment) on AIX environment.
The plan is to setup MQ on cluster environment and also implement High Availability and failver. If Qmanager1 goes fail or reach maximum weight then other available (Qmanager2) will respond to the request.
Can anyone please suggest any good book on MQSeries/MessageBroker Administration on AIX Environemnt?
We have also planning some cost budget for buying any good author book on above technologies.
Please give me some link/document or notes to read on mq/broker administration.
Thanks,
Culc |
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| fschofer |
| Posted: Thu Feb 21, 2008 4:12 am Post subject: |
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Knight
Joined: 02 Jul 2001
Posts: 524
Location: Mainz, Germany
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| Vitor |
| Posted: Thu Feb 21, 2008 4:31 am Post subject: Re: MQ Cluster in AIX Environment |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| manishpnp wrote: |
| The plan is to setup MQ on cluster environment and also implement High Availability and failver. If Qmanager1 goes fail or reach maximum weight then other available (Qmanager2) will respond to the request. |
Don't confuse (or more likely let your management confuse) a WMQ cluster with an HA cluster. WMQ clustering is used for workload balancing (splitting load between queue manager 1 & queue manager 2 in your example), HA clustering is used when queue manager 1 fails. Because both technologies use the term "cluster" people often think they're interchangably.
As you read through the links provided my most worthy associate (which I fully endorse & recommend) you'll discover that WMQ clustering can distribute load in the way you describe, but can also administer split load by quota (75% on queue manager 1, 25% on queue manager 2 for example). IMHO it's better to do it that way then wait for 1 box to start creaking then divert work.
Just a personal view, other workload strategies are equally valid, you must do what's best given your requirements and system topology, etc, etc.
You'll find the Clustering manual another valuable resource:
http://publib.boulder.ibm.com/infocenter/wmqv6/v6r0/index.jsp
Along with the rest of the manuals of course.
Happy Reading! 
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| gs |
| Posted: Fri Feb 22, 2008 3:05 am Post subject: |
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Master
Joined: 31 May 2007
Posts: 254
Location: Sweden
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| Depending on how your application is set up, that decides what solution to go for. Does your application reside on both machines or is it failed over with HACMP? If the application is failed over with mount points, so should your queue manager. |
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| manishpnp |
| Posted: Sun Feb 24, 2008 10:40 pm Post subject: Re: MQ Cluster in AIX Environment |
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Apprentice
Joined: 21 Feb 2008
Posts: 46
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Hi All,
First..I would like to thanks very much to responding me..
fschofer
I appreciate your respond with bunch of knowledge materials. Thanks very much..I have already strated reading on MC91 document and its seems very much useful for me as well as our organization.
vitor
Thanks for clearing doubts on workload management and cluster..I was under impression that MQ cluster will provide workload management as well as failover..
We are planning to setup 10 queue managers in the cluster on single LPAR and also want to implement MQ High Avaliability.
What I understand....We can use MQ cluster software for workload management to distribute request to multiple queue manager using round robin weight methodology....(if you provide how to configure weight parameters then its very much help). For HA we need to configure MQ over AIX HACMP...Please right me if i wrong...
Thanks in Advance
mani |
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| Vitor |
| Posted: Mon Feb 25, 2008 1:30 am Post subject: Re: MQ Cluster in AIX Environment |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| manishpnp wrote: |
| What I understand....We can use MQ cluster software for workload management to distribute request to multiple queue manager using round robin weight methodology....(if you provide how to configure weight parameters then its very much help) |
The workload parameters are described in detail in the Clustering manual, available from the IBM site.
| manishpnp wrote: |
For HA we need to configure MQ over AIX HACMP...Please right me if i wrong...
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If HACMP is the HA software you're using (and I suspect it is on AIX) then MQ needs to be running under it's protection same as your database does, your app server does, your transaction manager does, etc, etc.
So it's under HACMP rather than over HACMP but that's just me being pedantic on language.
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