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| MQ Clusters: Replacing or Relocating Full Repositories |
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| PeterPotkay |
 Posted: Wed Jul 02, 2014 3:37 am Post subject: MQ Clusters: Replacing or Relocating Full Repositories |
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Poobah
Joined: 15 May 2001
Posts: 7717
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| JosephGramig |
| Posted: Wed Jul 02, 2014 5:59 am Post subject: |
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Grand Master
Joined: 09 Feb 2006
Posts: 1231
Location: Gold Coast of Florida, USA
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| Step 3 should say, "fully interconnect the FRs and new FR want-a-be before promoting the new FR". |
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| w33f |
| Posted: Tue Jul 08, 2014 8:50 pm Post subject: |
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Novice
Joined: 07 Nov 2013
Posts: 17
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When going through the whole moving FR process,the only part I find slightly daunting is when going through the cleanup phase at the end and deleting the now unused CLUSSDRB channels pointing to the old FR qmgrs.
As they can't be deleted while running, you need to stop them first (which I usually do with MODE(FORCE)) and then quickly delete them and start them manually again, hoping that any messages won't be waiting on the XMITQ's and timing out while the stop/delete/start is happening, even though it only takes 1-2 seconds. |
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| fjb_saper |
| Posted: Wed Jul 09, 2014 4:53 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20696
Location: LI,NY
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| w33f wrote: |
When going through the whole moving FR process,the only part I find slightly daunting is when going through the cleanup phase at the end and deleting the now unused CLUSSDRB channels pointing to the old FR qmgrs.
As they can't be deleted while running, you need to stop them first (which I usually do with MODE(FORCE)) and then quickly delete them and start them manually again, hoping that any messages won't be waiting on the XMITQ's and timing out while the stop/delete/start is happening, even though it only takes 1-2 seconds. |
You should not have to do that.
Correctly remove first the old FR qmgrs from the cluster and the corresponding CLUSSDRB channel should stop by itself...
Besides if your qmgr is an FR qmgr with no dataqueues or routing queues you should only see the CLUSSDRA running...(name resolution)
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| w33f |
| Posted: Wed Jul 09, 2014 5:30 pm Post subject: |
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Novice
Joined: 07 Nov 2013
Posts: 17
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Yeah the problem is when the old FR is also hosting application queues.. in that case the channel obviously never stops as transactions are still flowing through and you do need to manually stop the channel.
Just shows the advantages of having a dedicated FR! |
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