| Author |
Message |
 Topic: HA queue manager behaviour |
emiranda
Replies: 25
Views: 23850
|
 Forum: General IBM MQ Support Posted: Tue Jul 16, 2019 2:42 am Subject: HA queue manager behaviour |
Well, we have to find a way to get around with it... so, in the meantime, if you can, please vote it here:
http://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=134384
For the sak ... |
| Topic: HA queue manager behaviour |
emiranda
Replies: 25
Views: 23850
|
Forum: General IBM MQ Support Posted: Fri Jul 05, 2019 6:42 am Subject: HA queue manager behaviour |
Because MAYBE, just MAYBE, we all together could thicken the plot of integrity over availability, and ask for a fix, before I go down the uncertain road of RFEs.
Yeah... clearly it didn't work. :no ... |
| Topic: HA queue manager behaviour |
emiranda
Replies: 25
Views: 23850
|
Forum: General IBM MQ Support Posted: Mon Jul 01, 2019 6:14 am Subject: HA queue manager behaviour |
...a queue manager is (or was?) made for: guaranteed delivery of persistent messages once and once only!...
To be somewhat pedantic, IBM uses the term assured delivery. The use of the word guarantee ... |
| Topic: HA queue manager behaviour |
emiranda
Replies: 25
Views: 23850
|
Forum: General IBM MQ Support Posted: Mon Jul 01, 2019 3:32 am Subject: HA queue manager behaviour |
| Meaning if you have two appliances in an HA pair, you have to be very careful and not set a preference for the side it runs on. You need to be very careful to start them in reverse shutdown order or y ... |
| Topic: HA queue manager behaviour |
emiranda
Replies: 25
Views: 23850
|
Forum: General IBM MQ Support Posted: Fri Jun 28, 2019 10:54 pm Subject: HA queue manager behaviour |
| You have a properly configured pair of appliances with persistent, committed, non expiring messages sitting a queue and you can demonstrate MQ sometimes duplicated and other times deleted them? And th ... |
| Topic: HA queue manager behaviour |
emiranda
Replies: 25
Views: 23850
|
Forum: General IBM MQ Support Posted: Fri Jun 28, 2019 4:47 am Subject: HA queue manager behaviour |
| ... And excuse me if I sound too astonished, but IBM's answer in the PMR was that "Essentially, the current behaviour is suitable for Customers who prioritise service availability over individual ... |
| Topic: HA queue manager behaviour |
emiranda
Replies: 25
Views: 23850
|
Forum: General IBM MQ Support Posted: Thu Jun 27, 2019 3:06 am Subject: HA queue manager behaviour |
Yeah, we do have z/MQ as well, Sysplexed QSGs, GDPS is coming, plus all the good stuff around it...  but again: if MQ on the appliances is just another flavo(u)r of the g'old MQ, where's int ... |
| Topic: HA queue manager behaviour |
emiranda
Replies: 25
Views: 23850
|
Forum: General IBM MQ Support Posted: Wed Jun 26, 2019 8:38 am Subject: HA queue manager behaviour |
The MQ product has always offered the opportunity for less than the highest QoS - in the form of non-persistent msgs. QoS is a choice.
Exactly to my point: where is the choice to run at my desired Qo ... |
| Topic: HA queue manager behaviour |
emiranda
Replies: 25
Views: 23850
|
Forum: General IBM MQ Support Posted: Wed Jun 26, 2019 1:06 am Subject: HA queue manager behaviour |
Yeah, that's what I tought myself: is MQ changing?!? Then decided to share it here to get the community's view.
The latest MQv9.1 Datasheet opens saying "Flexible and reliable hybrid me ... |
| Topic: HA queue manager behaviour |
emiranda
Replies: 25
Views: 23850
|
Forum: General IBM MQ Support Posted: Tue Jun 25, 2019 7:19 am Subject: HA queue manager behaviour |
Open a PMR and bring it up to IBM. 
So I did... and IBM's answer wasEssentially, the current behaviour is suitable for Customers who prioritise service availability over individual messages ... |
| Topic: HA queue manager behaviour |
emiranda
Replies: 25
Views: 23850
|
Forum: General IBM MQ Support Posted: Mon Jun 24, 2019 6:25 am Subject: HA queue manager behaviour |
If you are switching manually you should be able to check first and resolve the partitioned state before switching...
Absolutely - and so we did, and it works fine.
Well you said yourself the oth ... |
| Topic: HA queue manager behaviour |
emiranda
Replies: 25
Views: 23850
|
Forum: General IBM MQ Support Posted: Mon Jun 24, 2019 1:08 am Subject: HA queue manager behaviour |
| That's because you are supposed to monitor and resolve such a partitioned condition and not let it go on until it bites you in the rear. :innocent:Yeah, we know that, thanks. We also know that we can ... |
| Topic: HA queue manager behaviour |
emiranda
Replies: 25
Views: 23850
|
Forum: General IBM MQ Support Posted: Fri Jun 21, 2019 10:23 am Subject: HA queue manager behaviour |
Howdy!
We are using 8 MQ Appliances (9.1.0.1), configured as 4 pairs for HA. We've experienced a partitioned status on a number of the HA queue manager, in different appliances, at different times, ... |
| Topic: Client reconnect - MQCONNX |
emiranda
Replies: 4
Views: 14992
|
Forum: IBM MQ API Support Posted: Thu Mar 08, 2018 7:34 am Subject: Re: Client reconnect - MQCONNX |
| When I stop the queue manager the program gets MQRC 2009 but it doesn't stop, it stays "hanging" there. After restarting the qmgr, I put messages again to the queue, but amqscbfc doesn't get ... |
| Topic: Client reconnect - MQCONNX |
emiranda
Replies: 4
Views: 14992
|
Forum: IBM MQ API Support Posted: Wed Mar 07, 2018 10:03 am Subject: Client reconnect - MQCONNX |
Hi,
I'm trying to demostrate a sample client application automatically reconnecting to a queue manager.
I'm using IBM provided sample program amqscbfc:
amqscbfc -m <qmgr> -r r <queue>
... |
