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| brenti |
 Posted: Wed Feb 18, 2004 6:49 am Post subject: CHANNEL DOES NOT START ON REBOOT |
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Novice
Joined: 15 Sep 2003
Posts: 15
Location: Montreal, Quebec, Canada
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I am running v5.3 with CSD05 on Win2K. I have setup the MQSeries service to automatically restart. If i reboot the server i noticed that everything starts as before except for the Server channel. The status of this channel is stopped. I then have to do a manual start to get it running.
Can someone please explain this to me? :) |
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| vennela |
| Posted: Wed Feb 18, 2004 7:08 am Post subject: |
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Jedi Knight
Joined: 11 Aug 2002
Posts: 4055
Location: Hyderabad, India
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Channels will not start automatically on a reboot or a QMGR start unless their DISINT is set to 0. For channels to start automatically when a message arrives, you have to use channel triggering.
Search this site for channel triggering and you will get lot of pointers. |
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| brenti |
| Posted: Wed Feb 18, 2004 9:33 am Post subject: |
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Novice
Joined: 15 Sep 2003
Posts: 15
Location: Montreal, Quebec, Canada
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I checked the DISINT value and it is set to zero. So it can't be the cause.
I assume we are talking about the DISCONNECT INTERVAL? |
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| euphoria |
| Posted: Wed Feb 18, 2004 1:52 pm Post subject: |
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Acolyte
Joined: 08 Feb 2004
Posts: 51
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| For the server channel to start (after a server restart), the corresponding requester channel must be up and running. Ensure that the server channel is fully qualified (ie connection name of the partner is specified). |
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| brenti |
| Posted: Wed Feb 18, 2004 2:52 pm Post subject: |
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Novice
Joined: 15 Sep 2003
Posts: 15
Location: Montreal, Quebec, Canada
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| The requestor channel is on the mainframe. The server channel is on a win2k platform. I started with both channels up and running. After a server reboot the server channel status is stopped and the requestor channels is inactive. I recently installed CSD05 and i am wondering if this is the cause? |
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| JasonE |
| Posted: Wed Feb 18, 2004 3:33 pm Post subject: |
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Grand Master
Joined: 03 Nov 2003
Posts: 1220
Location: Hursley
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I dont know of anything in the fixpack 5 which would cause this. As it stands fixpack 5 was a very good fixpack.
So to confirm - You have a server/requestor channel pair, and it is started (running). You then shutdown and restart the MQ Service and it goes into a stopped state? Stopped is rare in that you normally only get into it with manual intervention.
Is this on MSCS or a normal machine? |
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| brenti |
| Posted: Wed Feb 18, 2004 3:42 pm Post subject: |
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Novice
Joined: 15 Sep 2003
Posts: 15
Location: Montreal, Quebec, Canada
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| I uninstalled CSD05 to see if it might be the cause. After i rebooted the server the server channel is inactive and the requestor channel is inactive. This makes more sense but i still would like server channel to be in a start status on a server reboot. Do i need to create a custom service and start the server channel using the runmqchl command? |
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| brenti |
| Posted: Wed Feb 18, 2004 3:51 pm Post subject: |
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Novice
Joined: 15 Sep 2003
Posts: 15
Location: Montreal, Quebec, Canada
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| No this isn't a MSCS. its a normal machine. |
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| Bouzid |
| Posted: Wed Feb 18, 2004 11:02 pm Post subject: Re: CHANNEL DOES NOT START ON REBOOT |
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Newbie
Joined: 18 Feb 2004
Posts: 2
Location: Paris, France
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| brenti wrote: |
I am running v5.3 with CSD05 on Win2K. I have setup the MQSeries service to automatically restart. If i reboot the server i noticed that everything starts as before except for the Server channel. The status of this channel is stopped. I then have to do a manual start to get it running.
Can someone please explain this to me?  |
I had the same problem (MQ 5.3 CSD05 on Win NT), here is one solution : 
Delete all messages in the SYSTEM.CHANNEL.SYNCQ, than restart the Channel. After reboot, you seen the Channel in staus 'inactive' ou 'started'. |
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| brenti |
| Posted: Thu Feb 19, 2004 10:02 am Post subject: |
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Novice
Joined: 15 Sep 2003
Posts: 15
Location: Montreal, Quebec, Canada
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| what is the SYSTEM.CHANNEL.SYNCQ used for? I tried to empty the queue and got a 2042 error. OBJECT IN USE. |
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| EddieA |
| Posted: Thu Feb 19, 2004 10:13 am Post subject: |
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Jedi
Joined: 28 Jun 2001
Posts: 2453
Location: Los Angeles
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It's where MQ 'persists' the current sequence number for every channel (amongst other things). So, if a channel is in a state other than Inactive, it probably is using it.
Clearing that queue will mean that all the channels will be 'out of sequence'. You will have to reset every channel to get these numbers back in sync.
Cheers,
_________________
Eddie Atherton
IBM Certified Solution Developer - WebSphere Message Broker V6.1
IBM Certified Solution Developer - WebSphere Message Broker V7.0 |
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| brenti |
| Posted: Thu Feb 19, 2004 10:42 am Post subject: |
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Novice
Joined: 15 Sep 2003
Posts: 15
Location: Montreal, Quebec, Canada
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I tried to empty the queue and i got a 2042. OBJECT IN USE.
How do i clear this queue if it is in use? |
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| EddieA |
| Posted: Thu Feb 19, 2004 12:54 pm Post subject: |
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Jedi
Joined: 28 Jun 2001
Posts: 2453
Location: Los Angeles
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Use QSTATUS to see who has it open. Stop the Channels, with New State of Inactive. Clear the Queue. If that still doesn't clear, then use a program to read all the messages destructively.
Then get ready to reset all your channels.
Cheers,
_________________
Eddie Atherton
IBM Certified Solution Developer - WebSphere Message Broker V6.1
IBM Certified Solution Developer - WebSphere Message Broker V7.0 |
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| Bouzid |
| Posted: Mon Feb 23, 2004 2:42 am Post subject: |
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Newbie
Joined: 18 Feb 2004
Posts: 2
Location: Paris, France
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| brenti wrote: |
I tried to empty the queue and i got a 2042. OBJECT IN USE.
How do i clear this queue if it is in use? |
Is the pb resolved?
If it is'nt, do like this :
- Stop all Sender Channels defined by users in the QM (not a SYSTEM channels)
- Empty the queue SYSTEM.CHANNEL.SYNCQ (with out errors!)
- Restart the Sender Channels
I think, it is not necessary to reset the channels.
... And the pb of 'Channel not restarted after reboot' will be resolved. |
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