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| miotot |
 Posted: Fri Mar 13, 2020 1:38 pm Post subject: Reconfiguring QM from multi-instance to single-instance |
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Newbie
Joined: 13 Mar 2020
Posts: 4
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Hi,
I am fairly new to IBM MQ and tasked to configure our existing MQ server to cluster and we opt to use Windows clustering. From reading the documentation, the first thing that I did is to use hamvmqm to move the existing QM data and log to the shared disk in our cluster. However, the said command failed with error:
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The specified WebSphere MQ Queue Manager is configured for multi-instance support and cannot be moved.
Usage: hamvmqm /m queuemanager /dd absolutedatapath /ld absolutelogpath |
From further check, the existing queue manager was created with ld and md options and thus (not sure if correct) MQ Server think that it is a multi-instance configuration. Now question is, is there a way for me to reconfigure the queue manager to make MQ server that it is a single instance only aside from recreating it? |
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| fjb_saper |
| Posted: Fri Mar 13, 2020 8:24 pm Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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Before trying to move the logs, did you shut down both instances of the queue manager? You know you cannot move the logs while the queue manager is running. 
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MQ & Broker admin |
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| miotot |
| Posted: Sat Mar 14, 2020 4:32 pm Post subject: |
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Newbie
Joined: 13 Mar 2020
Posts: 4
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Hi,
Sorry for not being clear. Our current setup is only running on a single instance and yes I have stopped the queue manager before I tried to move its data or logs but still encountered below error. |
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| exerk |
| Posted: Sun Mar 15, 2020 7:49 am Post subject: |
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Jedi Council
Joined: 02 Nov 2006
Posts: 6339
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Please post the exact command used.
Please post the current directory path of the queue manager data and log files.
Please obfuscate any sensitive information, thank you.
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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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| miotot |
| Posted: Sun Mar 15, 2020 11:55 am Post subject: |
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Newbie
Joined: 13 Mar 2020
Posts: 4
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This what I did was
1. Stop QM1 using IBM MQ Explorer
2. Issue the following command
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hamvmqm /m QM1 /dd "M:\DATA" /ld "M:\DATA\log"
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And then the error occurred.
If this will be helpful, below is the information I found in mqs.ini
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QueueManager:
Name=QM1
Prefix=E:\ProgramData\IBM\MQ
Directory=QM1
DataPath=F:\DATA\qmgrs\QM1
InstallationName=MQInstallation1 |
An old documentation that we had, QM1 was created using the following command:
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| crtmqm -c "Queue Manager for XXX Application" -ss -u "DL.QUEUE" -ld "F:\DATA\log" -md "F:\DATA\qmgrs" QM1 |
MQ version is 8.0.0.2
Drive M is the new shared disk that is managed by cluster (This is where I want to move the data and logs so I can add my QM to windows cluster resource.
Drive E is the where installation / program files are. I assumed that data and log files was pointed here during installation.
Drive F is the storage disk where queue manager data and logs are supposed to be stored originally |
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| exerk |
| Posted: Mon Mar 16, 2020 12:37 pm Post subject: |
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Jedi Council
Joined: 02 Nov 2006
Posts: 6339
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Can you please check the Registry too? I think at V8.0 everything was moved out into mqs.ini/qm.ini, but as I don't have a Windows set up to check I can't be sure.
I think I had this a long time back when I did something similar on a Windows set up (V7.0 as I remember) when configuring a DR solution, which solution did not mirror exactly what was in Production (I know it should, but I was constrained by the client to reproduce what they already had).
When I created the DR queue managers I used the /dd /ld switches, to create the same paths as Production, and got the same issue; for some reason the configuration was "convinced" it was part of a Multi-Instance set up.
Due to time constraints I never went down the PMR route, and deleted/recreated the queue managers without the /dd /ld switches, but did some "manual moving"  .
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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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| miotot |
| Posted: Tue Mar 17, 2020 6:58 am Post subject: |
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Newbie
Joined: 13 Mar 2020
Posts: 4
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I guess I might need to delete/recreate the QM then. This might be a good time to migrate as well to the latest version and a new hardware so it will be fresh installation.  |
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| exerk |
| Posted: Tue Mar 17, 2020 9:11 am Post subject: |
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Jedi Council
Joined: 02 Nov 2006
Posts: 6339
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Try it on a sand-box first, and if the same issue arises raise a PMR.
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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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