Stopping the sender channel on a WebSphere MQ link

You can stop the sender channel on a WebSphere® MQ link while leaving the link itself running.

Before you begin

You might want to tell the WebSphere MQ network administrator that you are about to stop a channel.

About this task

When you stop the sender channel on a WebSphere MQ link, communication with the target WebSphere MQ network on that channel is stopped for both point-to-point messaging and publishing and subscribing. Messages are held at their transmission locations.

Procedure

  1. Start the administrative console.
  2. In the navigation pane, click Service integration -> Buses -> bus_name -> [Topology] Messaging engines -> engine_name -> [Additional properties] WebSphere MQ links -> link_name -> [Additional Properties] Sender channel.
  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. Stop modes. The table contains information about the target states and the corresponding stop modes for stopping the sender channel on a WebSphere MQ link. There are two target states such as inactive and stopped, and there are two stop modes such as quiesce and force. The rows in the table represent the two target states, and the two stop modes are described in the two columns for each of the target state.
Target state Quiesce stop mode Force stop mode
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 about stopped states of the WebSphere MQ link and its channels, see States of the WebSphere MQ link and its channels.

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Last updated: April 17, 2014 04:48 PM CDT
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