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| Startup scripts for multi instance Queue manager |
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Message
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| chris boehnke |
 Posted: Sun Feb 13, 2011 5:16 pm Post subject: Startup scripts for multi instance Queue manager |
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Partisan
Joined: 25 Jul 2006
Posts: 369
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Hi,
We are using MQ v.7.0.1.3 on Linux.
We created a multi instance queue manager on server1 and standby instance on server2 with shared storage as NFS v4.
| Quote: |
Server1:
$ dspmq
QMNAME(QM1) STATUS(Running as standby) |
| Quote: |
Server2:
$ dspmq
QMNAME(QM1) STATUS(Running as standby) |
Question:
When the server got rebooted we wanted to automate the Multi instance queue manager start/ stop along with the server start/ stop.
Lets say server1 is rebooted:
Stop:
Case1: if we issue, endmqm QM1(controlled shutdown), the standby instance also will be 'ended normally'. In this case both active and standby instances are down and need to restart the standby instance incase the active server is rebooted.
Case2: If we issue, 'endmqm -s QM1', some of the mqm processes are still running when the queue manager becomes standby instance.
| Quote: |
QMNAME(QM1) STATUS(Running as standby)
bash-3.2$
bash-3.2$ ps -ef| grep QM1
mqm 12654 1 0 00:47 ? 00:00:00 amqzxma0 -m QM1 -x
mqm 12659 12654 0 00:47 ? 00:00:00 /opt/mqm/bin/amqzfuma -m QM1
mqm 13056 12309 0 01:11 pts/1 00:00:00 grep QM1 |
As the processes are still running, we can't shutdown the server. We wanted to make sure all the mqm processes are down before the server goes down.
Start:
Planning to start the multi instance queue manager with 'strmqm -x QM1' when the server comes up.
Can you guys share your thoughts on this?. How you are implementing the startup/ shutdown scripts for multi instance queue managers at your shops?.
Thanks a lot. |
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| Mirage |
| Posted: Mon Feb 14, 2011 2:51 pm Post subject: |
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Apprentice
Joined: 30 Nov 2004
Posts: 44
Location: IL
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Here is what I've been thinking of doing for server restarts. I've not implemented this yet and I'm very much interested about your comments.
MQ: MI Stop script
- Check the status of the Qmgr
if 'stdby' then issue endmqm -x
if 'active' then issue endmqm -s, wait few minutes (or check until only those 2 MQ processes remain), then issue endmqm -x or kill the mq processes.
This command should tell if the queue manager is Active or Standby instance.
$ dspmq -m <QMGR> -x | grep `hostname`
INSTANCE(<hostname1>) MODE(Active)
$
$ dspmq -m <QMGR> -x | grep `hostname`
INSTANCE(<hostname2>) MODE(Standby)
$
MQ: MI Start script
Start with -x command (same as Chris's)
Thanks, |
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