Network Deployment (Distributed operating systems), v8.0 > Administer applications and their environment > Administer Messaging resources > Manage messaging with the default messaging provider > Interoperating with a WebSphere MQ network > Use WebSphere MQ links to connect a bus to a WebSphere MQ network > Administer an existing WebSphere MQ link > Stop a WebSphere MQ link


Stop the sender channel on a WebSphere MQ link

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

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

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 admin 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 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:

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.

  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 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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