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| Single Instance Queue manager on ACFS file system |
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| aruncg |
 Posted: Fri Aug 11, 2017 2:12 am Post subject: Single Instance Queue manager on ACFS file system |
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Novice
Joined: 08 Mar 2013
Posts: 22
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In the MQ documentation it is explicitly called out that Multi-instance queue managers dont work with Oracle ACFS files system.
http://www-01.ibm.com/support/docview.wss?uid=swg21433474
But if I am NOT using multi-instance, then will MQ work without any issue on ACFS file system ?
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| gbaddeley |
| Posted: Sun Aug 13, 2017 4:22 pm Post subject: |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2538
Location: Melbourne, Australia
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AFAIK, Queue Managers that are not using MIQM do not need to meet the requirements on the MIQM Testing Statement web page.
https://www.ibm.com/support/knowledgecenter/SSFKSJ_9.0.0/com.ibm.mq.pla.doc/q005800_.htm
states for non-MQIM :
"Today, networked file systems can provide good performance, and implementations of reliable network file system protocols such as RFC 3530, Network File System (NFS) version 4 protocol, meet the requirements for logging messages reliably."
That's a fairly general statement. I'm not aware of any issues. If in doubt, contact IBM.
_________________
Glenn |
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| aruncg |
| Posted: Fri Sep 29, 2017 5:52 am Post subject: Issue fixed when moved from network to local file system. |
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Joined: 08 Mar 2013
Posts: 22
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The issue is fixed when we moved the Queue manager log/data files to a local storage. Looks like it is an issue in the network - the previous ACFS files system had to be mounted from another network, and required multiple n/w hops.
Looks like when there is an IO operation delay, client connections can go up and can cause errors.
regards,
Arun |
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