Part 4. DQM in WebSphere MQ for z/OS

Partial Table-of-Contents

  • Chapter 23. Monitoring and controlling channels on z/OS
  • The DQM channel control function
  • Using the panels and the commands
  • Using the initial panel
  • Managing your channels
  • Defining a channel
  • Altering a channel definition
  • Displaying a channel definition
  • Deleting a channel definition
  • Displaying information about DQM
  • Starting a channel initiator
  • Stopping a channel initiator
  • Starting a channel listener
  • Stopping a channel listener
  • Starting a channel
  • Starting a shared channel
  • Testing a channel
  • Resetting message sequence numbers for a channel
  • Resolving in-doubt messages on a channel
  • Stopping a channel
  • Usage notes
  • Displaying channel status
  • Displaying cluster channels

  • Chapter 24. Preparing WebSphere MQ for z/OS
  • Defining DQM requirements to WebSphere MQ
  • Defining WebSphere MQ objects
  • Transmission queues and triggering channels
  • Synchronization queue
  • Channel command queues
  • Starting the channel initiator
  • Stopping the channel initiator
  • Other things to consider
  • Operator Messages
  • Channel operation commands
  • Undelivered-message queue
  • Queues in use
  • Security changes
  • Communications stopped
  • TCP
  • LU6.2
  • z/OS Automatic Restart Management (ARM)

  • Chapter 25. Setting up communication for z/OS
  • Deciding on a connection
  • Defining a TCP connection
  • Sending end
  • Receiving on TCP
  • Using the TCP listener backlog option
  • Defining an LU6.2 connection
  • APPC/MVS setup
  • Connecting to APPC/MVS (LU 6.2)
  • Receiving on LU 6.2

  • Chapter 26. Example configuration - IBM WebSphere MQ for z/OS
  • Configuration parameters for an LU 6.2 connection
  • Configuration worksheet
  • Explanation of terms
  • Establishing an LU 6.2 connection
  • Defining yourself to the network
  • Defining a connection to a partner
  • Establishing a TCP connection
  • What next?
  • WebSphere MQ for z/OS configuration
  • Channel configuration
  • WebSphere MQ for z/OS sender-channel definitions using LU 6.2
  • WebSphere MQ for z/OS receiver-channel definitions using LU 6.2
  • WebSphere MQ for z/OS sender-channel definitions using TCP
  • WebSphere MQ for z/OS receiver-channel definitions using TCP

  • Chapter 27. Message channel planning example for z/OS
  • What the example shows
  • Queue manager QM1 example
  • Remote queue definition
  • Transmission queue definition
  • Sender channel definition
  • Receiver channel definition
  • Reply-to queue definition
  • Queue manager QM2 example
  • Local queue definition
  • Transmission queue definition
  • Sender channel definition
  • Receiver channel definition
  • Running the example
  • Expanding this example

  • Chapter 28. Monitoring and controlling channels in z/OS with CICS
  • The DQM channel control function
  • CICS regions
  • Starting DQM panels
  • The Message Channel List panel
  • Keyboard functions
  • Function keys
  • Enter key
  • Clear key
  • Unassigned keys and unavailable choices
  • Selecting a channel
  • Working with channels
  • Creating a channel
  • Altering a channel
  • Browsing a channel
  • Renaming a channel
  • Selected menu-bar choice
  • Start
  • Stop
  • Resync
  • Reset
  • Resolve
  • Display status
  • Display settings
  • Ping
  • Exit
  • Edit menu-bar choice
  • Copy
  • Create
  • Alter
  • Delete
  • Find
  • View menu-bar choice
  • Help menu-bar choice
  • The channel definition panels
  • Channel menu-bar choice
  • Saving changes
  • Exit from the panel
  • Help menu-bar choice
  • Channel settings panel fields
  • Details of sender channel settings panel
  • Details of receiver channel settings panel
  • Details of server channel settings panel
  • Details of requester channel settings panel

  • Chapter 29. Preparing WebSphere MQ for z/OS when using CICS
  • Defining DQM requirements to WebSphere MQ
  • Defining WebSphere MQ objects
  • Multiple message channels per transmission queue
  • Channel operation considerations

  • Chapter 30. Setting up CICS communication for WebSphere MQ for z/OS
  • Connecting CICS systems
  • Communication between queue managers
  • Intersystem communication
  • Defining an LU 6.2 connection
  • Installing the connection
  • Communications between CICS systems attached to one queue manager
  • Connection names for function shipping

  • Chapter 31. Example configuration - IBM WebSphere MQ for z/OS using CICS
  • Configuration parameters for an LU 6.2 connection
  • Configuration worksheet
  • Explanation of terms
  • Establishing an LU 6.2 connection using CICS
  • Defining a connection
  • Defining the sessions
  • Installing the new group definition
  • What next?
  • WebSphere MQ for z/OS using CICS configuration
  • Channel configuration
  • WebSphere MQ for z/OS sender-channel definitions using CICS
  • WebSphere MQ for z/OS receiver-channel definitions using CICS

  • Chapter 32. Message channel planning example for z/OS using CICS

  • Chapter 33. Preparing WebSphere MQ for z/OS for DQM with queue-sharing groups
  • Concepts
  • Class of service
  • Generic interface
  • Components
  • Listeners
  • Transmission queues and triggering
  • Triggering
  • Message channel agents
  • Inbound
  • Outbound
  • Synchronization queue
  • Benefits
  • Load-balanced channel start
  • Shared channel recovery
  • Client channels
  • Clusters and queue-sharing groups
  • Channels and serialization
  • Intra-group queuing

  • Chapter 34. Setting up communication for WebSphere MQ for z/OS using queue-sharing groups
  • Deciding on a connection
  • Defining a TCP connection
  • Sending end
  • Receiving on TCP using a queue-sharing group
  • Defining an LU6.2 connection
  • Connecting to APPC/MVS (LU 6.2)
  • Receiving on LU 6.2 using a generic interface

  • Chapter 35. Example configuration - WebSphere MQ for z/OS using queue-sharing groups
  • Configuration parameters for an LU 6.2 connection
  • Configuration worksheet
  • Explanation of terms
  • Establishing an LU 6.2 connection into a queue-sharing group
  • Defining yourself to the network using generic resources
  • Defining a connection to a partner
  • What next?
  • Establishing a TCP connection into a queue-sharing group
  • Using WLM/DNS
  • What next?
  • WebSphere MQ for z/OS shared channel configuration
  • Shared channel configuration
  • WebSphere MQ for z/OS shared sender-channel definitions using LU 6.2
  • WebSphere MQ for z/OS shared receiver-channel definitions using LU 6.2
  • WebSphere MQ for z/OS shared sender-channel definitions using TCP
  • WebSphere MQ for z/OS shared receiver-channel definitions using TCP

  • Chapter 36. Message channel planning example for z/OS using queue-sharing groups
  • What this example shows
  • Queue-sharing group definitions
  • Shared objects
  • Group objects
  • Queue manager QM3 example
  • Sender channel definition
  • Remaining definitions
  • Running the example

  • Chapter 37. Intra-group queuing
  • Concepts
  • Intra-group queuing and the intra-group queuing agent
  • Terminology
  • Intra-group queuing
  • Shared transmission queue for use by intra-group queuing
  • Intra-group queuing agent
  • Benefits
  • Reduced system definitions
  • Reduced system administration
  • Improved performance
  • Supports migration
  • Transparent delivery of messages when multi-hopping between queue managers in a queue-sharing group
  • Limitations
  • Messages eligible for transfer using intra-group queuing
  • Number of intra-group queuing agents per queue manager
  • Starting and stopping the intra-group queuing agent
  • Getting started
  • Enabling intra-group queuing
  • Disabling intra-group queuing
  • Using intra-group queuing
  • Configurations
  • Distributed queuing with intra-group queuing (multiple delivery paths)
  • Open/Put processing
  • Flow for large messages
  • Flow for small messages
  • Points to note about such a configuration
  • Clustering with intra-group queuing (multiple delivery paths)
  • Points to note about such a configuration
  • Clustering, intra-group queuing and distributed queuing
  • Messages
  • Message structure
  • Message persistence
  • Delivery of messages
  • Batching of messages
  • Message size
  • Default message persistence and default message priority
  • Undelivered/unprocessed messages
  • Report messages
  • Confirmation of arrival (COA)/confirmation of delivery (COD) report messages
  • Expiry report messages
  • Exception report messages
  • Security
  • Intra-group queuing authority (IGQAUT)
  • Intra-group queuing user indentifier (IGQUSER)
  • Specific properties
  • Queue name resolution
  • Invalidation of object handles (MQRC_OBJECT_CHANGED)
  • Self recovery of the intra-group queuing agent
  • Retry capability of the intra-group queuing agent
  • The intra-group queuing agent and Serialization

  • Chapter 38. Example Configuration -- WebSphere MQ for z/OS using intra-group queuing
  • Configuration 1
  • Configuration 2
  • Configuration 3
  • Configuration 1 definitions
  • On QMG1
  • On QMG2
  • On QMG3
  • Configuration 2 definitions
  • On QMG1
  • On QMG2
  • On QMG3
  • Configuration 3 definitions
  • On QMG1
  • On QMG2
  • On QMG3
  • Running the example
  • Expanding the example

    • Important notice

    Distributed queuing using CICS ISC is retained for compatibility with previous releases; there will be no further enhancements to this function. Therefore you are recommended to use the channel initiator for distributed queuing.


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