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MQSeries.net Forum Index » General IBM MQ Support » MQ channel behavior (newbie question)

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magicwand
PostPosted: Mon Mar 26, 2007 10:24 am    Post subject: MQ channel behavior (newbie question) Reply with quote

Newbie

Joined: 12 Feb 2007
Posts: 6
My environment is MQ v5.3 on RHEL 4 and z/OS mainframe. I noticed that after I define the channels and queues. I can start my Sender channel (START CHANNEL) and get a status (DISPLAY CHSTATUS). However I can not start my Receiver channel this way. I had to wait for mainframe to start their sender channel for my receiver channel to come up. Is this by design?

BTW, what is the difference between MQSC command Start Channel and Linux command runmqchl?
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Vitor
PostPosted: Mon Mar 26, 2007 11:28 am    Post subject: Re: MQ channel behavior (newbie question) Reply with quote

Grand High Poobah

Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
magicwand wrote:
Is this by design?


Yes.

magicwand wrote:
BTW, what is the difference between MQSC command Start Channel and Linux command runmqchl?


Platform, inclination and scripting requirements.

Channel behaviour is described in the Intercommunication manual; you may also find the description of the DISPLAY CHSTATUS in the command manual useful as it describes under what circumstances status is available and why.

The System Admin manual answers your other question in more detail.
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bruce2359
PostPosted: Mon Mar 26, 2007 4:26 pm    Post subject: Reply with quote

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Briefly:

Reciever channels start when a message arrives from its partner sender channel.

The inbound message arrives at the receivers listener; the listener starts the receiver channel.
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