| Author |
Message |
 Topic: GCM Cipher Data limit - AMQ9288E |
tkaravind
Replies: 8
Views: 14484
|
 Forum: IBM MQ Security Posted: Sun May 04, 2025 3:46 am Subject: GCM Cipher Data limit - AMQ9288E |
| Its not a real issue yet. Just something new we observed on the logs, The channels took 10-15 secs to resume from the time the errors were reported. Depending on how the apps are setup this could caus ... |
| Topic: GCM Cipher Data limit - AMQ9288E |
tkaravind
Replies: 8
Views: 14484
|
Forum: IBM MQ Security Posted: Sat May 03, 2025 12:24 pm Subject: GCM Cipher Data limit - AMQ9288E |
Even to know if one needs to plan around this if too bad.
There are low volume channels that we wont bother touching if the byte value turns out to be too high and so wont block these channels freque ... |
| Topic: GCM Cipher Data limit - AMQ9288E |
tkaravind
Replies: 8
Views: 14484
|
Forum: IBM MQ Security Posted: Sat May 03, 2025 1:14 am Subject: GCM Cipher Data limit - AMQ9288E |
Thanks. There is this one line here -
-------
Automatic Key Updates
When using AES GCM in TLS 1.3, Keys will be updated transparently every 2^24.5 (23,726,566) records.
--------
I take that ... |
| Topic: GCM Cipher Data limit - AMQ9288E |
tkaravind
Replies: 8
Views: 14484
|
Forum: IBM MQ Security Posted: Fri May 02, 2025 1:37 pm Subject: GCM Cipher Data limit - AMQ9288E |
Hi,
I have recently had errors on the MQ logs for the channels using GCM ciphers.
This is the AMQ9288E.
Upon reading further I see
The channel is reset after 23726566 are sent in the sender ... |
| Topic: CRL config - how does it work? |
tkaravind
Replies: 2
Views: 6414
|
Forum: General Discussion Posted: Sun Mar 06, 2022 2:20 pm Subject: CRL config - how does it work? |
Hi,
I have setup the CRL config on the queue manager following all steps under:
https://www.ibm.com/docs/en/ibm-mq/9.0?topic=lists-accessing-crls-arls-queue-manager
This is on a z/OS queue man ... |
| Topic: Questions on SSL Certificate Management |
tkaravind
Replies: 0
Views: 2441
|
Forum: General Discussion Posted: Mon Dec 01, 2008 3:14 am Subject: Questions on SSL Certificate Management |
Dear All,
I have some questions on the way MQ GSK facility & the qmgr manage and use the qmgr certificates.
a) When we first generate a cert request (CSR) using the gsk7cmd we specify the la ... |
| Topic: Serious errors with WMQ cluster |
tkaravind
Replies: 3
Views: 3891
|
Forum: Clustering Posted: Thu Feb 14, 2008 7:00 am Subject: Serious errors with WMQ cluster |
Hi Everyone,
We had a tricky cluster problem recently in our Production setup.
A Production cluster partial repository queue manager M2P1 ( z/OS - WMQ V 5.3.1) recently got several error message ... |
| Topic: MQ Transaction log changes |
tkaravind
Replies: 7
Views: 5558
|
Forum: General Discussion Posted: Thu Oct 18, 2007 6:23 am Subject: MQ Transaction log changes |
| yes True - But during such changes to the Primary log number - when would the change actually reflect in the actual files on the log folders ? |
| Topic: MQ Transaction log changes |
tkaravind
Replies: 7
Views: 5558
|
Forum: General Discussion Posted: Thu Oct 18, 2007 6:08 am Subject: MQ Transaction log changes |
Hi All,
We recently increased the number of Primary transaction logs in our Prod qmgr on AIX ( the change was done in the qm.ini file ).
However even after the qmgr restart we found the same old ... |
| Topic: Cluster FULL Repository not refreshing cluster Queue |
tkaravind
Replies: 4
Views: 3325
|
Forum: General Discussion Posted: Thu Aug 30, 2007 1:10 pm Subject: Cluster FULL Repository not refreshing cluster Queue |
| Does not look like that. When I made changes to other queues on the same qmgr these changes got reflected. |
| Topic: Cluster FULL Repository not refreshing cluster Queue |
tkaravind
Replies: 4
Views: 3325
|
Forum: General Discussion Posted: Thu Aug 30, 2007 1:00 pm Subject: Cluster FULL Repository not refreshing cluster Queue |
Hi All,
I found this problem in our Production environment.
The cluster full repository was unable to send updates of a particular cluster Queue to the other queue managers in the same cluster.
... |
| Topic: Cluster behaviour with CLUSSDR channels in STOPPED state ... |
tkaravind
Replies: 8
Views: 7188
|
Forum: General Discussion Posted: Fri Aug 24, 2007 6:20 am Subject: Cluster behaviour with CLUSSDR channels in STOPPED state ... |
Thanks Peter. Yes...Stopping the CLUSRVCR channel would have been easier and the right thing to do as well.
Carrying this a bit forward, if queues on both queue managers ( QM1 & QM2) are define ... |
| Topic: Cluster behaviour with CLUSSDR channels in STOPPED state ... |
tkaravind
Replies: 8
Views: 7188
|
Forum: General Discussion Posted: Fri Aug 24, 2007 1:53 am Subject: Cluster behaviour with CLUSSDR channels in STOPPED state ... |
Thanks Jeff. That link was very helpful.
However in this case how should one distinguish between a channel that has already failed and one that is "failing" ?
Can we assume that a chan ... |
| Topic: Cluster behaviour with CLUSSDR channels in STOPPED state ... |
tkaravind
Replies: 8
Views: 7188
|
Forum: General Discussion Posted: Thu Aug 23, 2007 11:18 am Subject: Cluster behaviour with CLUSSDR channels in STOPPED state ... |
| True. But my question was regarding the cluster behaviour itself - that it should try its best to deliver to an alternate location ( in this case QM2) if it cannot see a way to QM1 ( if TO.QM1 is STO ... |
| Topic: Cluster behaviour with CLUSSDR channels in STOPPED state ... |
tkaravind
Replies: 8
Views: 7188
|
Forum: General Discussion Posted: Thu Aug 23, 2007 10:39 am Subject: Cluster behaviour with CLUSSDR channels in STOPPED state ... |
Hi All,
I encountered the following behaviour with WMQ clusters :
We have two queue managers QM1 & QM2 as part of the same cluster.
Q1 is defined on both and included in this cluster ( c ... |
