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MQSeries.net Forum IndexClusteringIssue while adding queue manager to cluster

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yanaK
PostPosted: Tue Jun 09, 2020 12:51 am Post subject: Issue while adding queue manager to cluster Reply with quote

Acolyte

Joined: 28 May 2020
Posts: 69

I am trying to add one q mgr into an existing cluster (I backed up a full repo say A config and restored in the new one say B).

I define the CLUSSDR and CLUSRCVR channels in B and start them.
However after a while I see the CLUSRCVR picked up a completely different CONNAME/RQMNAME (say C)than what I defined.

I did a
Code:
dis chl
and it showed correct definition. But when I
Code:
dis chs
it is running that different channel.
I tried stopping and starting but no luck.

I then logged into the full repo q mgr A and I see that the CLUSRCVR has the same CONNAME/RQMNAME (i.e. C) as the new one. And it has another
CLUSRCVR that points to a totally different CONNAME and the RQMNAME is B.

So I must be doing something wrong while restoring the config. Where does the q mgr pickup these config from? Can I edit that file manually? Also is there a command that can check overall cluster health? Like if all the nodes can talk to each other?

Thanks
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hughson
PostPosted: Tue Jun 09, 2020 1:48 am Post subject: Reply with quote

Padawan

Joined: 09 May 2013
Posts: 1948
Location: Bay of Plenty, New Zealand

Can you tell us what you did to back up and restore the config?

Cheers,
Morag
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exerk
PostPosted: Tue Jun 09, 2020 2:45 am Post subject: Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 6339

Clustering of queue managers is considered to be an advanced topic.

Again, push back on management for training, or persuade them to bring in a consultant to advise. Point out that training will be the cheaper option!
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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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yanaK
PostPosted: Tue Jun 09, 2020 7:51 am Post subject: Reply with quote

Acolyte

Joined: 28 May 2020
Posts: 69

Quote:
Can you tell us what you did to back up and restore the config?

$ dmpmqcfg -m MPSA -a > MPSA.060820.mqsc
$ dmpmqcfg -m MPSA -o setmqaut > MPSA.060820.aut.sh
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exerk
PostPosted: Tue Jun 09, 2020 8:16 am Post subject: Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 6339

yanaK wrote:
Quote:
Can you tell us what you did to back up and restore the config?

$ dmpmqcfg -m MPSA -a > MPSA.060820.mqsc
$ dmpmqcfg -m MPSA -o setmqaut > MPSA.060820.aut.sh

Did you then edit the outputs and substitute the queue manager name and IP Address/Listener Port details, and any other requisite information, for the new queue manager's?
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bruce2359
PostPosted: Tue Jun 09, 2020 8:22 am Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 9442
Location: US: west coast, almost. Otherwise, enroute.

How did you create the new qmgr? Please be precise. What command did you use?

How did you do the restore?
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yanaK
PostPosted: Tue Jun 09, 2020 9:43 am Post subject: Reply with quote

Acolyte

Joined: 28 May 2020
Posts: 69

Quote:
Did you then edit the outputs and substitute the queue manager name and IP Address/Listener Port details, and any other requisite information, for the new queue manager's?


Yes

Quote:
How did you create the new qmgr? Please be precise. What command did you use?


Code:
crtmqm MPSA1


Quote:
How did you do the restore?


Code:
runmqsc MPSA1 < MPSA. 060820.mqsc
chmod 755 MPSA.060820.aut.sh
./MPSA.060820.aut.sh


Last edited by yanaK on Tue Jun 09, 2020 12:12 pm; edited 1 time in total
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bruce2359
PostPosted: Tue Jun 09, 2020 10:27 am Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 9442
Location: US: west coast, almost. Otherwise, enroute.

You created second qmgr with the exact same name MPSA?
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Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live.
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exerk
PostPosted: Tue Jun 09, 2020 10:35 am Post subject: Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 6339

bruce2359 wrote:
You created second qmgr with the exact same name MPSA?

Looks like it to me...
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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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bruce2359
PostPosted: Tue Jun 09, 2020 10:54 am Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 9442
Location: US: west coast, almost. Otherwise, enroute.

exerk wrote:
bruce2359 wrote:
You created second qmgr with the exact same name MPSA?

Looks like it to me...

Let confusion reign.
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Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live.
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bruce2359
PostPosted: Tue Jun 09, 2020 11:29 am Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 9442
Location: US: west coast, almost. Otherwise, enroute.

https://www.ibm.com/support/knowledgecenter/SSFKSJ_7.5.0/com.ibm.mq.con.doc/q017210_.htm
Says:
Quote:
Each cluster queue manager must have a name that is unique throughout all the clusters of which it is a member.

Please, oh please, take an MQ Sysem Administration training course.
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I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live.
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yanaK
PostPosted: Tue Jun 09, 2020 12:12 pm Post subject: Reply with quote

Acolyte

Joined: 28 May 2020
Posts: 69

Apologies for the confusion I edited the name
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bruce2359
PostPosted: Tue Jun 09, 2020 12:38 pm Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 9442
Location: US: west coast, almost. Otherwise, enroute.

yanaK wrote:
Apologies for the confusion I edited the name

Please be precise. What do you mean by “ ...edited the name.”

How? Where?

Am I supposed to reread your earlier post looking for your editing?

Please make this a bit easier to help you.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live.
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bruce2359
PostPosted: Tue Jun 09, 2020 12:48 pm Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 9442
Location: US: west coast, almost. Otherwise, enroute.

yanaK wrote:

[code]runmqsc MPSA1 < MPSA. 060820.mqsc

This command would have failed due to invalid file name.

Please copy and paste the exact commands you type, AND the results.
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Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live.
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yanaK
PostPosted: Tue Jun 09, 2020 4:12 pm Post subject: Reply with quote

Acolyte

Joined: 28 May 2020
Posts: 69

I followed the steps here https://www.ibm.com/support/pages/steps-export-object-definitions-and-messages-one-mq-queue-manager-host-1-and-import-them-another-queue-manager-host-2

I don't have the exact commands any more
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