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| brgmo |
 Posted: Tue Jun 19, 2007 2:39 am Post subject: Checking the existence of a QMgr |
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Master
Joined: 03 Jun 2002
Posts: 227
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Hi All,
Is it possible to check if the queue manager exists or not on the box by using scripts. Like, i want to run a script for creating QMgr and queues. But,before i run this script,i want to check if the queue manager exists. If it exists, i want the script to exit.
Regards
brgmo. |
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| wschutz |
| Posted: Tue Jun 19, 2007 2:59 am Post subject: |
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Jedi Knight
Joined: 02 Jun 2005
Posts: 3316
Location: IBM (retired)
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Perl script? ksh script? parse the output of dspmq.
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-wayne |
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| fjb_saper |
| Posted: Tue Jun 19, 2007 2:59 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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Yes it is possible and there are many ways to do it. It all depends on your scripting language... 
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MQ & Broker admin |
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| brgmo |
| Posted: Tue Jun 19, 2007 3:08 am Post subject: |
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Master
Joined: 03 Jun 2002
Posts: 227
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I am using Linux running under Bourne shell. So, i think probably i will have to use a bourne script to write this script.If someone has already written it, please be kind to share that.
Regards
brgmo. |
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| fjb_saper |
| Posted: Tue Jun 19, 2007 3:16 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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| brgmo wrote: |
I am using Linux running under Bourne shell. So, i think probably i will have to use a bourne script to write this script.If someone has already written it, please be kind to share that.
Regards
brgmo. |
We won't do your work for you. You have been given directions... What did you try and what were the results ?
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| jefflowrey |
| Posted: Tue Jun 19, 2007 3:50 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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Quite a while ago, wschutz posted a script that used awk to parse the output of dspmq.
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I am *not* the model of the modern major general. |
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| brgmo |
| Posted: Tue Jun 19, 2007 5:37 am Post subject: |
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Master
Joined: 03 Jun 2002
Posts: 227
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I think, you are talking about the followinf script written by wschutz.
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echo "dis ql(*)" | runmqsc | egrep "QUEUE\(TEST.*\) *TYPE\(QLOCAL\)" | awk '{print $1}' | sed -e "s/QUEUE(\(.*\))/DELETE QLOCAL\(\1\)/" | runmqsc
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But, it doesn't check for the existence of the queues.
Regards
brgmo. |
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| jefflowrey |
| Posted: Tue Jun 19, 2007 5:40 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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You said you wanted to check the existance of the qmgr, not "the queues".
Most of what you need to know about checking the existance of "the queues" is in the MQSC Script Reference manual, which I'm going to assume you've read at this point.
Is there a specific command in that manual that you did not understand? Is there a concept described in that manual that you did not understand?
What have you tried? What happened when you tried it? Did you get an error?
Have you written any bourne shell scripts before? Did you look for documentation and examples on writing bourne shell scripts?
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| bruce2359 |
| Posted: Tue Jun 19, 2007 6:52 am Post subject: |
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Guest
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Take a look at crtmqm control command in the MQ V6 System Admin Guide.
If you or your script attempts to create a new qmgr AND the qmgr already exists, your attempt will fail. If the qmgr doesn't exist, it will be created.
Take a look at runmqsc control command in the same manual.
Now that you have a qmgr - either a pre-existing one or a newly created one, you or your script can attempt to create object definitions.
If you next attempt to create objects on the qmgr AND you specify NOREPLACE, then no existing object definitions will be replaced. |
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| jefflowrey |
| Posted: Tue Jun 19, 2007 6:57 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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| bruce2359 wrote: |
| If you next attempt to create objects on the qmgr AND you specify NOREPLACE, then no existing object definitions will be replaced. |
NOREPLACE is the default.
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| Michael Dag |
| Posted: Tue Jun 19, 2007 7:10 am Post subject: |
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Jedi Knight
Joined: 13 Jun 2002
Posts: 2607
Location: The Netherlands (Amsterdam)
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| jefflowrey |
| Posted: Tue Jun 19, 2007 7:16 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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No... your script doesn't use AWK... 
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| Michael Dag |
| Posted: Tue Jun 19, 2007 7:20 am Post subject: |
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Jedi Knight
Joined: 13 Jun 2002
Posts: 2607
Location: The Netherlands (Amsterdam)
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| jefflowrey wrote: |
No... your script doesn't use AWK... |
sorry must be my last 6 word memory buffer playing tricks on me... 
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Michael
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| brgmo |
| Posted: Tue Jun 19, 2007 7:47 am Post subject: |
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Master
Joined: 03 Jun 2002
Posts: 227
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| Thanks a lot guys. I have got that working on linux. |
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