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| Websphere MQ set up in PowerHAâ„¢ for AIX environment |
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| krypton |
 Posted: Tue Jul 30, 2013 1:06 am Post subject: Websphere MQ set up in PowerHAâ„¢ for AIX environment |
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Disciple
Joined: 14 Mar 2010
Posts: 186
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We have got a new requirement where for the 1st time we need to setup High availability MQ with PowerHA.
Being the only MQ admin (  ) in my team, this task has falled on me but I have no prior experience on configuring MQ with PowerHA. I have read few documents in last few hours but they only specify the architecuture but there is no practical (how to do) kind of manual which can tells the commands, how to configure, how to verify etc.
Does anyone has such document would help me please?
Regards,
_________________
Dreams are not something which you watch when you are asleep,it is something which doesn't let you sleep. |
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| zpat |
| Posted: Tue Jul 30, 2013 1:20 am Post subject: |
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Jedi Council
Joined: 19 May 2001
Posts: 5866
Location: UK
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There are two aspects to this
1. The AIX set up of HA resource groups, IP service address, filesytems etc. Get one filesystem created for data and one for log - on different disks and owned by mqm:mqm
2. The creation of a HA type MQ queue manager on these filesystems.
The latter is simple, just refer to the HA filesystem paths (QM = XXXX)
| Code: |
| crtmqm -md /MQHA/XXXX/data -lp 8 -ls 3 -lc -lf 16384 -ld /MQHA/XXXX/log XXXX |
You then need to add the reference on the other node using addmqinf
| Code: |
| dspmqinf -o command XXXX |
That will generate the addmqinf command to do this (run on other node)
It will require the disks mounted, so you might prefer to generate the stanza and manually add it to /var/mqm/mqs.ini
| Code: |
| dspmqinf -o stanza XXXX |
Write some HA stop/start scripts to handle the QM stop and starting - you can probably copy these from the old MQ HA support pac.
Get the AIX team to failover the resource group and make sure the QM can start on each side.
Always connect to the QM XXXX using the HA service IP address, not the host IP.
This is all in the Websphere MQ v7.0.1 info center |
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| mqjeff |
| Posted: Tue Jul 30, 2013 6:49 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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| JosephGramig |
| Posted: Tue Jul 30, 2013 9:37 am Post subject: |
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Grand Master
Joined: 09 Feb 2006
Posts: 1244
Location: Gold Coast of Florida, USA
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Also, you can start with something simple like getting the SA to setup the HA resource group with xclock and first get that to work.
Once the SA has demonstrated they understand PowerHA, then build out your MQ environment as described in this thread. It is straight forward.
Don't forget to use mqconfig to make sure the LPAR is tuned. Run it as root and then mqm.
Remember that on fail over, the clients will see this as a stop and start of the Qmgr. Lock the listener to the VIP and don't allow connections on the physical IP. Never ever use an IP in a CONNAME. If you cannot use DNS, put it in the /etc/hosts file. Don't assume, use the port number. |
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