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MQSeries.net Forum IndexClusteringMQ Clusters and internal sequence numbers

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bruce2359
PostPosted: Thu Feb 21, 2019 9:01 pm Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 8328
Location: US: west coast, almost. Otherwise, enroute.

tczielke wrote:

Quote:
To have confidence that these commands have finished, check that the expected objects exist on the remote queue managers.

How many objects does this mean? 5, 10, 1000?

It seems to me that a restored from backup qmgr should be REFRESH CLUSTERd, as this is one of those exceptional conditions. https://www.ibm.com/support/knowledgecenter/en/SSFKSJ_7.5.0/com.ibm.mq.con.doc/q004850_.htm
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tczielke
PostPosted: Thu Feb 21, 2019 9:37 pm Post subject: Reply with quote

Shaman

Joined: 08 Jul 2010
Posts: 786
Location: Illinois, USA

bruce2359 wrote:
tczielke wrote:

Quote:
To have confidence that these commands have finished, check that the expected objects exist on the remote queue managers.

How many objects does this mean? 5, 10, 1000?

It seems to me that a restored from backup qmgr should be REFRESH CLUSTERd, as this is one of those exceptional conditions. https://www.ibm.com/support/knowledgecenter/en/SSFKSJ_7.5.0/com.ibm.mq.con.doc/q004850_.htm


I am not sure exactly what you mean by how many objects, but the IBM manual document is basically telling you to query your cluster repositories to ensure the asynchronous cluster commands that you run on one PR actually are applied in your FRs and applicable PRs in your cluster. Personally, I do this validation check when I run cluster commands in our MQ environment, to make sure they actually completed properly.
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bruce2359
PostPosted: Sun Feb 24, 2019 9:38 am Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 8328
Location: US: west coast, almost. Otherwise, enroute.

Hmmm...

I haven't tried this, but how about starting the DR qmgr instance <26 days after creating the copy, and just long enough to REFRESH CLUSTER(clustername) REPOS(NO) cause cluster object subscriptions to be deleted.
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