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| sandy12 |
 Posted: Thu Sep 04, 2008 2:38 am Post subject: Channel re-synchronization |
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Novice
Joined: 01 Sep 2008
Posts: 14
Location: Hyderabad, India
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Hi MQ experts,
can u plz tell me how re-synchronize the local cahnnel with remote chnnel,
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Thanks
Sandy............... |
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| David.Partridge |
| Posted: Thu Sep 04, 2008 4:01 am Post subject: |
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Master
Joined: 28 Jun 2001
Posts: 249
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Look up the RESET CHANNEL command in the MQSC reference manual
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Cheers,
David C. Partridge |
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| sandy12 |
| Posted: Thu Sep 04, 2008 8:40 am Post subject: |
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Novice
Joined: 01 Sep 2008
Posts: 14
Location: Hyderabad, India
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Thanks david, i'm new to MQ so that...... thanks agian
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Thanks
Sandy............... |
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| fjb_saper |
| Posted: Thu Sep 04, 2008 4:50 pm Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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| David.Partridge wrote: |
| Look up the RESET CHANNEL command in the MQSC reference manual |
And read the intercommunications manual  (link at top of page for infocenter). It explains in detail in which case to rollback and in which case to commit. 
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MQ & Broker admin |
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| Mr Butcher |
| Posted: Thu Sep 04, 2008 10:48 pm Post subject: |
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Padawan
Joined: 23 May 2005
Posts: 1716
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i know you are experienced mq admin and just mixed reset and resolve, but this may confuse sandy12 so i want to make clear for sandy12 that:
* backout and commit are related to the resolve command that is required when your channel is in "doubt" - status and does not resolve automatically.
* Reset channel command is used when the channel numbers are out of sequence.
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Regards, Butcher |
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| jhidalgo |
| Posted: Fri Sep 05, 2008 9:15 am Post subject: |
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Disciple
Joined: 26 Mar 2008
Posts: 161
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| It happens to me all the time, and resetting the channels always work BUT, is there a way to make it reset the sender channels after it has been retrying after N minutes or something like that ? |
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| PeterPotkay |
| Posted: Fri Sep 05, 2008 12:32 pm Post subject: |
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Poobah
Joined: 15 May 2001
Posts: 7722
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If it was safe/smart to automatically reset sequence numbers IBM wouldn't have used them in the first place.
Focus on why your sequence #s are going out of whack instead of a script that will reset them. If your car all of the sudden got 5 MPG, would you look for cheaper gas? Or try and find the leak in the gas tank? 
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Peter Potkay
Keep Calm and MQ On |
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| jhidalgo |
| Posted: Fri Sep 05, 2008 3:15 pm Post subject: |
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Disciple
Joined: 26 Mar 2008
Posts: 161
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| The problem is mostly related to networking issues, which are not for me to handle so .... |
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| bruce2359 |
| Posted: Sun Sep 07, 2008 10:45 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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| Quote: |
| The problem is mostly related to networking issues... |
How do you know this?
What errors are documented in mq error logs - at both ends of the channel?
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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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| fjb_saper |
| Posted: Sun Sep 07, 2008 3:04 pm Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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| Mr Butcher wrote: |
i know you are experienced mq admin and just mixed reset and resolve, but this may confuse sandy12 so i want to make clear for sandy12 that:
* backout and commit are related to the resolve command that is required when your channel is in "doubt" - status and does not resolve automatically.
* Reset channel command is used when the channel numbers are out of sequence. |
Thanks for clarifying this for our newbie.
As PeterPotkay mentioned, channels getting out of sequence are not to be taken too lightly. It should warrant an investigation any time. There are times when it is due to manual intervention (delete and recreate one end of the channel etc...) and that is when reset channel comes in handy. Usually any other case should be documented and investigated. It probably will need a PMR to resolve correctly, if it is not a channel in doubt case that can be resolved as per the manual...
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