Stopping the sender channel on a WebSphere MQ link

This topic describes how to stop the sender channel on a WebSphere® MQ link while leaving the link itself running.

Before you begin

Note: If you stop the sender channel on a WebSphere MQ link, communication with the target WebSphere MQ network on that channel will cease for both point-to-point messaging and publishing and subscribing. Messages will be held at their transmission locations.

You may wish to warn the administrator of the WebSphere MQ network that you are about to stop a channel.

About this task

To stop the sender channel on a WebSphere MQ link use the administrative console to complete the following steps:

Procedure

  1. In the navigation pane, click Service integration > Buses > [Content Pane] bus_name > [Topology] Messaging engines > engine_name > [Additional Properties] WebSphere MQ links > [Content Pane] link_name.
  2. Click the sender channel you want to stop.
  3. Select the check box next to the channel you want to stop.
  4. In the Stop mode list, select Quiesce or Force.
  5. In the Target state list, select Inactive or Stopped.
  6. Click Stop.

Results

Only the sender channel is affected by this procedure. The resultant state of the sender channel depends on the options you chose:
Table 1. Effects of stop modes and target states
  Stop mode
Quiesce Force
Target state Inactive The sender channel becomes inactive either when it has finished processing its current batch, or when it reaches a heartbeat interval. The sender channel immediately becomes inactive.
Stopped The sender channel becomes stopped either when it has finished processing its current batch, or when it reaches a heartbeat interval. The sender channel immediately becomes stopped.

For more information on stopped states of the WebSphere MQ link and its channels, see States of the WebSphere MQ link and its channels.

What to do next

Once you have stopped the WebSphere MQ link sender channel, messages about to be sent from the WebSphere MQ link engine are held back on the transmission queue.



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Last updated: Sep 20, 2010 9:00:59 PM CDT
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