Air Cleaner User Manual

qmgr-name
The command is executed on the queue manager you specify,
providing the queue manager is active within the queue-sharing
group.
You can specify a queue manager name, other than the queue
manager on which the command was entered, only if you are
using a queue-sharing group environment and if the command
server is enabled.
* The command is executed on the local queue manager and is also
passed to every active queue manager in the queue-sharing group.
The effect of this is the same as entering the command on every
queue manager in the queue-sharing group.
TYPE The type of thread to display. This parameter is optional.
ACTIVE
Display only active threads.
An active thread is one for which a unit of recovery has started but
not completed. Resources are held in MQSeries on its behalf.
This is the default if TYPE is omitted.
INDOUBT
Display only in-doubt threads.
An in-doubt thread is one that is in the second phase of the
two-phase commit operation. Resources are held in MQSeries on
its behalf. External intervention is needed to resolve the status of
in-doubt threads. You might only have to start the recovery
coordinator (CICS, IMS, or RRS), or you might need to do more.
They might have been in doubt at the last restart, or they might
have become in doubt since the last restart.
REGIONS
Display a summary of active threads for each active connection.
Note: Threads used internally by MQSeries are excluded.
* Display both active and in-doubt threads, but not regions.
If, during command processing, an active thread becomes in doubt,
it might appear twice: once as active and once as in doubt.
QMNAME
Specifies that MQSeries should check whether the designated queue
manager is INACTIVE, and if so, report any shared units of work that
were in progress on the designated and inactive queue manager.
This option is valid only for TYPE(INDOUBT).
For more information about the DISPLAY THREAD command and in-doubt
recovery, see the MQSeries for OS/390 System Administration Guide. Also, see
messages CSQV401I through CSQV406I, and CSQV432I, in the MQSeries for OS/390
Messages and Codes manual.
Note: This command is issued internally by MQSeries when taking a checkpoint,
and when the queue manager is starting and stopping, so that a list of
threads that are in doubt at the time is written to the OS/390 console log.
DISPLAY THREAD
Chapter 2. The MQSeries commands 219
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