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MQSeries.net Forum Index » General IBM MQ Support » Orphan Channels on Unix MQ server

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bruce2359
PostPosted: Tue Jul 13, 2010 12:17 pm    Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 9482
Location: US: west coast, almost. Otherwise, enroute.

Quote:
maybe you could map the channel substates for me into this:
http://support.microsoft.com/kb/137984

Doubt it.

In the WMQ Intercommunications manual, there is a tree (search for substate, scroll down) that depicts MQ channel states/substates. These all deal with the MCA's perception of the network, irrespective of transport protocol - of which TCP is just one.

The MCA is the middle-ground, the mediation layer, that understands two protocols, the WMQs internal messaging protocol, and the network transport protocol of choice.

In WMQs channel world, there is a presumption that the physical (network) and logical (protocol) are in place and functional. Console error messages (error logs) about channels often contain a TCP error/reason code if the failure was due to (detected by) a TCP protocol failure.
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