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Starting and Stopping WMQ Objects (Queue Managers)

Some of the content described in this article is available in meshIQ Manage versions 12.1 and later.
For a quick overview of what's new or changed, visit the meshIQ Highlights page for a version-by-version breakdown.  

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Version 12.x and Later
Version 11.3 and Earlier

Version 12.x and Later

To start or shut down queue managers, select the queue manager and then choose Commands > Start All WMQ Objects or Stop All WMQ Objects from the selected queue manager’s Selected menu.

Start All WMQ Objects

  • When you select Start all WMQ objects, the Start Queue Manager dialog appears and displays the selected objects.

  • Use the checkboxes to select one or both of the following options:

    • Start channels

    • Start an instance of a multi-instance queue manager

  • Click Ok to start the selected objects immediately. Or, click Schedule to start the objects at a later time (See Scheduling).

For more information about multi-instance queue managers, see the IBM Knowledge Center.

Stop All WMQ Objects

  • When you select Stop all WMQ objects, the Stop Queue Manager dialog appears and displays the selected queue managers.

  • Select a Shutdown Method:

    • Quiesced: Waits for all connected applications to disconnect before completing the shutdown.

    • Immediate: Does not wait for applications to disconnect. It allows existing MQI calls to complete, but new calls fail.

    • Preemptive: Forces the queue manager to stop immediately. Use this option only as a last resort, as it can have unpredictable effects on connected applications.

  • (Optional) Select one or more Shutdown Options:

    • Try to Reconnect to Reconnectable Clients

    • Switch Over to a Standby QMgr

    • End a standby instance of the QMgr

  • Click Yes to stop the selected queue manager(s) immediately. Or, click Schedule to stop them at a later time (See Scheduling).

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Version 11.3 and Earlier

To start or shutdown queue managers, select Commands > Start all WMQ objects or Stop all WMQ objects from the selected queue manager’s action menu (Selected menu in 11.2).

Start all WMQ objects

The following dialog is displayed when Start all WMQ objects is selected.  You can select Start channels and/or Start an instance of a multi-instance queue manager by clicking the checkboxes.

For more information on multi-instance queue managers, please go to the IBM Knowledge Center:

https://www.ibm.com/support/knowledgecenter/en/SSFKSJ_7.5.0/com.ibm.mq.con.doc/q018140_.htm

StartQM.png

Stop all WMQ objects

When Stop all WMQ objects is selected, the following dialog is displayed. Select the shutdown method:

  • A quiesced shutdown waits for all applications to disconnect before completing the shutdown.
  • An immediate shutdown does not wait for applications to disconnect.  It allows existing MQI calls to complete, but new calls fail.
  • As described on the dialog, a preemptive shutdown should only be performed as a last resort.  

StopQM.png