| Author |
Message |
 Topic: MQ Triggering z/OS |
Andyh
Replies: 17
Views: 1026
|
 Forum: Mainframe, CICS, TXSeries Posted: Sun Feb 18, 2024 6:12 am Subject: MQ Triggering z/OS |
| The condition specified in the IBM docs is "A trigger monitor currently has the initiation queue open for removing messages (that is, the OpenInputCount local queue attribute is greater than zero ... |
| Topic: Linear Logging (Automatic) IBM MQ Log not reduced? |
Andyh
Replies: 8
Views: 7510
|
Forum: General IBM MQ Support Posted: Thu Oct 26, 2023 4:29 am Subject: Linear Logging (Automatic) IBM MQ Log not reduced? |
| MEDIALOG(S0000000.LOG) shows that a complete media image has never completed for this queue manager. As no media image is available ALL of the logs are still required in order that media recovery woul ... |
| Topic: Linear Logging (Automatic) IBM MQ Log not reduced? |
Andyh
Replies: 8
Views: 7510
|
Forum: General IBM MQ Support Posted: Thu Oct 26, 2023 2:56 am Subject: Linear Logging (Automatic) IBM MQ Log not reduced? |
| What does "DIS QMSTATUS LOG" show ? |
| Topic: Linear Logging (Automatic) IBM MQ Log not reduced? |
Andyh
Replies: 8
Views: 7510
|
Forum: General IBM MQ Support Posted: Thu Oct 26, 2023 1:29 am Subject: Linear Logging (Automatic) IBM MQ Log not reduced? |
| If you are using MQ log management then you shouldn't need to delete any log extents. MQ will typically reuse old log extents and that helps significantly reduce the overhead of using linear logging. ... |
| Topic: Linear Logging (Automatic) IBM MQ Log not reduced? |
Andyh
Replies: 8
Views: 7510
|
Forum: General IBM MQ Support Posted: Wed Oct 25, 2023 12:19 am Subject: Linear Logging (Automatic) IBM MQ Log not reduced? |
Setting log management to automatic requests the queue manger to take over the management of extents no longer required for either media or restart recovery.
The qeueu manager ALWAYS manages the logs ... |
| Topic: 9.3 Linear Logging Issue |
Andyh
Replies: 9
Views: 13559
|
Forum: General IBM MQ Support Posted: Thu Oct 05, 2023 2:27 am Subject: 9.3 Linear Logging Issue |
At the time that automatic log management and media imaging were added a number of changes were made to improve the efficiency of taking the media images.
As has been discussed here many times, MQ is ... |
| Topic: 9.3 Linear Logging Issue |
Andyh
Replies: 9
Views: 13559
|
Forum: General IBM MQ Support Posted: Tue Oct 03, 2023 7:51 am Subject: 9.3 Linear Logging Issue |
You could use the dmpmqlog to format the content of one or more of the recovery log extents that were filled very quickly in order to see what the queue manager was writing to the logs.
Note that the ... |
| Topic: Improve messaging throughput on IBM MQ at mqseries.net? Tips |
Andyh
Replies: 6
Views: 9855
|
Forum: General IBM MQ Support Posted: Sun Aug 20, 2023 9:30 am Subject: Improve messaging throughput on IBM MQ at mqseries.net? Tips |
I fully agree that there is insufficient information here to offer good advice.
ZPAT states "The default MQ triple-write mode for logs seems a bit dated with modern SAN storage - I always used ... |
| Topic: Transfer messages from one xmitq to another |
Andyh
Replies: 3
Views: 7450
|
Forum: General IBM MQ Support Posted: Sat Jul 01, 2023 6:05 am Subject: Transfer messages from one xmitq to another |
After an MQGET the expiry field in the MQMD shows the remaining expiry time for the message.
When you do an MQPUT of a message with an explicit xmitq header the expiry time in the MQMD within the MQ ... |
| Topic: Relative overhead of the various MQI calls? |
Andyh
Replies: 5
Views: 3459
|
Forum: IBM MQ API Support Posted: Thu Jun 22, 2023 10:51 am Subject: Relative overhead of the various MQI calls? |
It's not clear from the original post if the question relates to a particular platform.
IBM stopped measuring individual API calls on the distributed platforms many years (decades!) ago. This was p ... |
| Topic: MQ 7107 : Log not available error when doing server reboot |
Andyh
Replies: 4
Views: 3571
|
Forum: IBM MQ Installation/Configuration Support Posted: Fri Mar 24, 2023 4:52 am Subject: MQ 7107 : Log not available error when doing server reboot |
It's good that you've found the source of your issue, but it still sounds a little odd.
I'd have expected the qmgr data files (including qm.ini) and the qmgr lrecovery log to be in directories shared ... |
| Topic: MQ 7107 : Log not available error when doing server reboot |
Andyh
Replies: 4
Views: 3571
|
Forum: IBM MQ Installation/Configuration Support Posted: Tue Mar 21, 2023 2:03 am Subject: MQ 7107 : Log not available error when doing server reboot |
I can't tell from your post if there are or are not any FDC's associated with this error. If there ARE FDC's associated with the error can you post the FDC header hear ?
If there were permissions err ... |
| Topic: Creating QM without "qmgrs" directory |
Andyh
Replies: 5
Views: 9971
|
Forum: General IBM MQ Support Posted: Tue Mar 14, 2023 1:38 am Subject: Creating QM without "qmgrs" directory |
| It might appear that deleting these files is harmless, however deleting thee file can lead to shared memory and semaphores being leaked (until the next reboot). MQ keeps a record of what IPC resources ... |
| Topic: No queues are shown in MQ Explorer, runmqsc and dmpmqcfg |
Andyh
Replies: 4
Views: 7432
|
Forum: General IBM MQ Support Posted: Wed Feb 15, 2023 12:29 am Subject: No queues are shown in MQ Explorer, runmqsc and dmpmqcfg |
Are there any error messages in the queue manager error logs ?
Are there any FDC's from the time you issued these commands in /var/mqm/errors ?
Exactly what command did you issue ? |
| Topic: MQ v9 linear logging strange behavior |
Andyh
Replies: 15
Views: 13604
|
Forum: General IBM MQ Support Posted: Sat Feb 04, 2023 5:35 am Subject: MQ v9 linear logging strange behavior |
Sorry if this seems a bit of a basic suggestion, but is it possible the file simply isn't appearing in the position in the list where you expect it?
The recovery log is very frequently updated (every ... |
