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| Upgrading from MQ 9.1 to 9.3 in a multi-installation set up |
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| jamesb |
 Posted: Tue Jun 20, 2023 1:55 am Post subject: Upgrading from MQ 9.1 to 9.3 in a multi-installation set up |
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Novice
Joined: 09 Mar 2008
Posts: 16
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Hi Guys,
I'm about to start upgrading from MQ 9.1 to MQ 9.3 in a multi-installation set up on Linux. Typically, we have 2 node hardware clusters running 2 service groups, for example dev and UAT, that can be failed between nodes independently. We have:
1. default 9.1 MQ installation
2. dev 9.1 installation
3. uat 9.1 installation
This now needs to be upgraded to MQ 9.3 and I'm wondering if my proposed method is correct where I was intending to:
1. Remove the default installation.
2. Install a new default on MQ 9.3
3. Install a multi instance at MQ 9.3 for dev
4. Install a multi instance at MQ 9.3 for UAT
5. Migrate queue managers over from 9.1 to 9.3, one-by-one to minimise risk
6. Remove the 9.1 UAT install
7. remove the 9.1 dev install.
I also have to remove all the MQ 9.1 installations as this will be constantly flagged as out-of-date software, come September, by my UNIX and compliance teams.
In summary, my main concern in moving to the new point release was whether it's 'OK' to remove the 9.1 default install before the other 9.1 installations. Does this look like the recommended method or I'd be interested to hear if others have done something different.
Thanks, James. |
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| hughson |
| Posted: Tue Jun 20, 2023 8:52 pm Post subject: |
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Padawan
Joined: 09 May 2013
Posts: 1916
Location: Bay of Plenty, New Zealand
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Hi James,
Which of the V9.1 installations are the queue managers actually using?
Since you appear to be familiar with side-by-side MQ installations. How about the following order?
- Install all required MQ 9.3 installations
- Migrate queue managers over from 9.1 to 9.3, one-by-one to minimise risk - use the setmqm command to move them from current installation to new installation. Very small downtime this way too.
- Once testing is complete and MQ 9.3 is how you want it, remove all MQ 9.1 installations.
Cheers,
Morag
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Morag Hughson @MoragHughson
IBM MQ Technical Education Specialist
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| sverp2000 |
| Posted: Sun Sep 17, 2023 3:34 am Post subject: Upgrade MQ from 9.1 to 9.3 in Linux technical steps |
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Newbie
Joined: 17 Sep 2023
Posts: 1
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Hi
Am planning to upgrade my MQ from 9.1 to 9.3 in Linux environment.
can you provide me with technical steps pls
thank you  |
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| exerk |
| Posted: Mon Sep 18, 2023 9:21 am Post subject: Re: Upgrade MQ from 9.1 to 9.3 in Linux technical steps |
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Jedi Council
Joined: 02 Nov 2006
Posts: 6339
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| sverp2000 wrote: |
Hi
Am planning to upgrade my MQ from 9.1 to 9.3 in Linux environment.
can you provide me with technical steps pls
thank you |
The steps can be found HERE.
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It's puzzling, I don't think I've ever seen anything quite like this before...and it's hard to soar like an eagle when you're surrounded by turkeys. |
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