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MQSeries.net Forum Index » WebSphere MQ Installation/Configuration Support » MQ Migration from Solaris to Linux

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v_nanduri
PostPosted: Mon Jan 09, 2012 8:34 am    Post subject: MQ Migration from Solaris to Linux Reply with quote

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Joined: 12 Dec 2010
Posts: 26

Hi,

I need to migrate MQ from Solaris box to Linux box. What all i need to take care and how to proceed for that. Please help me on this
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Vitor
PostPosted: Mon Jan 09, 2012 9:26 am    Post subject: Re: MQ Migration from Solaris to Linux Reply with quote

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Joined: 11 Nov 2005
Posts: 20740
Location: Ohio, USA

v_nanduri wrote:
What all i need to take care and how to proceed for that.


- Install WMQ on Linux
- Create a script describing all the WMQ objects on Solaris using the method relevant for your platform (or get the script you create for Solaris out of your repository)
- Edit the script to reflect the new server
- Run the script into Linux
- Recreate / edit all connections to reflect the new server
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bruce2359
PostPosted: Mon Jan 09, 2012 11:23 am    Post subject: Reply with quote

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Joined: 05 Jan 2008
Posts: 6579
Location: US: west coast, almost.

Don't forget to save/export/copy to tape (or other) any messages in queues. These will need to be imported to queues on the new plaltform.
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v_nanduri
PostPosted: Mon Jan 09, 2012 12:17 pm    Post subject: Reply with quote

Apprentice

Joined: 12 Dec 2010
Posts: 26

Hi,

Incase if i have any messages in queue and if i use saveqmgr to dump all the MQobjects will message get store in it(I think it wont but need confirmation) and should i use qload to copy the messages. If i copy the messages how can i restore them on same queue.
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mqjeff
PostPosted: Mon Jan 09, 2012 12:19 pm    Post subject: Reply with quote

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Joined: 25 Jun 2008
Posts: 12823

You shouldn't rely on us for confirming things.

You should confirm them by reviewing the documentation and then running tests.
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Vitor
PostPosted: Mon Jan 09, 2012 12:43 pm    Post subject: Reply with quote

Grand High Poobah

Joined: 11 Nov 2005
Posts: 20740
Location: Ohio, USA

v_nanduri wrote:
if i use saveqmgr to dump all the MQobjects will message get store in it(I think it wont but need confirmation)


Try it and see. Much more reliable than taking the advice of a bunch of unaccountable strangers on the Internet.

v_nanduri wrote:
should i use qload to copy the messages.


If you want. There are a number of possibilities.

v_nanduri wrote:
If i copy the messages how can i restore them on same queue.


Seriously? You're asking how to restore the messages onto a queue, i.e. load them back onto the queue? Think for a moment about why the author called the utility "q load"....

Alternatively you can use the same method you used to copy the messages off to copy them back on. Radical I know, but I'm just that kind of dangerous thinker.
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gbaddeley
PostPosted: Mon Jan 09, 2012 9:37 pm    Post subject: Reply with quote

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Joined: 25 Mar 2003
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Location: Melbourne, Australia

bruce2359 wrote:
Don't forget to save/export/copy to tape (or other) any messages in queues. These will need to be imported to queues on the new plaltform.

In theory all queued application messages are owned by the application support team, not the MQ administror, and it is the app team responsibility to process / clear / copy the messsages for the migration.

The easiest solution is to ensure that all transmission queues and application local queues are empty at the time of migration.

Copying messages may actually cause problems, eg. with CCSIDs and Encoding.
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bruce2359
PostPosted: Tue Jan 10, 2012 6:26 am    Post subject: Reply with quote

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Joined: 05 Jan 2008
Posts: 6579
Location: US: west coast, almost.

gbaddeley wrote:
bruce2359 wrote:
Don't forget to save/export/copy to tape (or other) any messages in queues. These will need to be imported to queues on the new plaltform.

In theory all queued application messages are owned by the application support team, not the MQ administror, and it is the app team responsibility to process / clear / copy the messsages for the migration.

The easiest solution is to ensure that all transmission queues and application local queues are empty at the time of migration.

Copying messages may actually cause problems, eg. with CCSIDs and Encoding.


Dealing with messages left in queues needs to be part of the plan for any migration.
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