WebSphere MQ for z/OS concepts

Shared queues and queue-sharing groups
What is a shared queue?
Any queue manager can access messages
Queue definition shared by all queue managers
What is a queue-sharing group?
Where are shared queue messages held?
The Coupling Facility
The CF structure object
Backup and recovery
Advantages of using shared queues
High availability
Peer recovery
Distributed queuing and queue-sharing groups
Shared channels
Shared inbound channels
Shared outbound channels
Shared channel summary
Shared channel status
Intra-group queuing
Clusters and queue-sharing groups
Where to find more information
Storage management
Page sets
Storage classes
How storage classes work
Buffers and buffer pools
Where to find more information
Logging
What logs are
Archiving
Dual logging
Log shunting
Log data
Unit-of-recovery log records
Checkpoint records
Page set control records
CF structure backup records
How the log is structured
Physical and logical log records
How the logs are written
When the active log is written
Dynamically adding log data sets
When the archive log is written
Triggering an off-load
The off-load process
Interruptions and errors while off-loading
Messages during off-load
WebSphere MQ and SMS
What the bootstrap data set is for
Archive log data sets and BSDS copies
Where to find more information
Defining your system
Setting system parameters
Defining system objects
System default objects
System command objects
System administration objects
Channel queues
Cluster queues
Queue-sharing group queues
Storage classes
Dead-letter queue
Default transmission queue
Pending data queue
Tuning your queue manager
Syncpoints
Expired messages
Sample definitions supplied with WebSphere MQ
The CSQINP1 samples
CSQ4INSG system object sample
CSQ4INSS system object sample
CSQ4INSX system object sample
CSQ4INSJ system JMS object sample
CSQ4INSR object sample
CSQ4INYD object sample
CSQ4INYC object sample
CSQ4INYG object sample
Default transmission queue
CICS adapter objects
CSQ4INYS/CSQ4NQR object samples
CSQ4DISP display sample
CSQ4INPX sample
CSQ4IVPQ and CSQ4IVPG samples
Where to find more information
Recovery and restart
How changes are made to data
Units of recovery
Backing out work
How consistency is maintained
Consistency with CICS or IMS
Illustration of the two-phase commit process
How consistency is maintained after an abnormal termination
What happens during termination
Normal termination
Abnormal termination
What happens during restart and recovery
Understanding the log range required for recovery
Determining which application has a long running unit of work
Rebuilding queue indexes
How in-doubt units of recovery are resolved
How in-doubt units of recovery are resolved from CICS
How in-doubt units of recovery are resolved from IMS
How in-doubt units of recovery are resolved from RRS
Shared queue recovery
Transactional recovery
Peer recovery
Shared queue definitions
Logging
Coupling Facility failure
Where to find more information
Security
Why you need to protect WebSphere MQ resources
If you do nothing
Security controls and options
Subsystem security
Queue manager or queue-sharing group level checking
Controlling the number of user IDs checked
Resources you can protect
Connection security
API-resource security
Queue security
Process security
Namelist security
Alternate user security
Context security
Command security
Command resource security
Channel security
Secure Sockets Layer (SSL)
Where to find more information
Availability
Sysplex considerations
Shared queues
Shared channels
WebSphere MQ network availability
Using the z/OS Automatic Restart Manager (ARM)
Using the z/OS Extended Recovery Facility (XRF)
Where to find more information
Commands
Issuing commands
Private and global definitions
Manipulating global definitions
Directing commands to different queue managers
Command summary
Initialization commands
Initialization commands for distributed queuing
The WebSphere MQ for z/OS utilities
The CSQUTIL utility
The data conversion exit utility
The change log inventory utility
The print log map utility
The log print utility
The queue-sharing group utility
The active log preformat utility
The dead-letter queue handler utility
Where to find more information
Monitoring and statistics
Online monitoring
WebSphere MQ trace
Events
Where to find more information