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| backward migration V7 -> V6 on z/os |
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| djima70 |
 Posted: Fri May 13, 2011 1:35 am Post subject: backward migration V7 -> V6 on z/os |
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Newbie
Joined: 13 May 2011
Posts: 3
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Hi all,
Is it possible to Backward migrate from MQ V701 to MQ V6??
We intsalled backward migration PTF's but could not find any info concerning what to do with eraly code?
Any Idea?
Djima |
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| bruce2359 |
| Posted: Fri May 13, 2011 4:41 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9406
Location: US: west coast, almost. Otherwise, enroute.
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The early code needs to be at the highest version of WMQ queue managers that you intend to run.
So, are you asking if you can install an older version of the early code (v6, for example), then yes; but newer (v7) qmgrs will/may/might not function correctly, or at all.
If you are asking if you can leave the early code at a newer version (like v7), but continue to run v6 qmgrs, then yes.
JCL DD statements in the SCSQPROC that starts a qmgr instance usually have the version imbedded in the DSName parameter.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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| bruce2359 |
| Posted: Fri May 13, 2011 7:12 am Post subject: Re: backward migration V7 -> V6 on z/os |
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Poobah
Joined: 05 Jan 2008
Posts: 9406
Location: US: west coast, almost. Otherwise, enroute.
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| djima70 wrote: |
Hi all,
Is it possible to Backward migrate from MQ V701 to MQ V6??
We intsalled backward migration PTF's but could not find any info concerning what to do with eraly code?
Any Idea?
Djima |
A quick search of google for 'wmq+early code' yielded an IBM webpage that describes early code. The WMQ for z/OS System Setup Guide has a step for installing early code.
If you are not a systems programmer, turn this over to a systems programmer.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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| djima70 |
| Posted: Sun May 15, 2011 11:57 pm Post subject: |
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Newbie
Joined: 13 May 2011
Posts: 3
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Hi, thanks bruce.
I tried on a test partition. Eraly code is indeed compatible and does not need to be migrated back. A queue manager migrated to V7 and backward migrated to V6 stays with early code V7. Thanks for your answers. Manu |
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| Mr Butcher |
| Posted: Mon May 16, 2011 1:19 am Post subject: |
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Padawan
Joined: 23 May 2005
Posts: 1716
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keep in mind from MQV7 COMPAT mode you can fallback to MQV6. From MQV7 NEWFUNC mode this is no longer possible, then you can only fallback to MQV7 COMPAT.
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Regards, Butcher |
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| 9A5YY |
| Posted: Wed May 25, 2011 4:01 am Post subject: |
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Voyager
Joined: 27 Sep 2005
Posts: 99
Location: Croatia
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Yesterday I tried backward migration from MQ V7 to MQ V6. It works fine.
I installed compatibility PTFs before migration from MQ V6 to MQ V7.
I used early code V7. In the MSTR address space there were messages indicating that the backward migration was required and succesfully done
or messages CSQR034I, CSQI965I, CSQI967I etc. |
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| dogbert64 |
| Posted: Wed Jun 08, 2011 1:46 pm Post subject: |
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Acolyte
Joined: 11 Jun 2003
Posts: 58
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| 9A5YY wrote: |
Yesterday I tried backward migration from MQ V7 to MQ V6. It works fine.
I installed compatibility PTFs before migration from MQ V6 to MQ V7.
I used early code V7. In the MSTR address space there were messages indicating that the backward migration was required and succesfully done
or messages CSQR034I, CSQI965I, CSQI967I etc. |
Which PTF did you install? I asked IBM about the toleration/coexistance PTF and they said that PK95835/UK51064 is the PTF I needed for toleration/coexistance, but it was superseded by UK65882. So I installed UK65882, and the HOLDDATA with it didn't talk about any new DB2 Binds or anything like that...just DOC changes. But I have found other IBM documents which indicated that toleration/coexistance PTF has HOLDDATA which indicates new Binds to be run, and that you should observe the instructions in it. Am I missing something? |
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| djima70 |
| Posted: Wed Jun 08, 2011 11:02 pm Post subject: tollerate and backward migration PTF's |
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Newbie
Joined: 13 May 2011
Posts: 3
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