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IBM Websphere MQ - AD020000 AMQ6119 rc=27 File too large, when sending data to and starting the queue manager - Middleware News

You have WebSphere MQ v5.3 CSD04 or MQ 6 or MQ 7.0 installed on AIX with 6 queue managers created. Two queue managers are sending queue managers and the remaining 4 are receiving queue managers. When the sender send data to the receiving queue manager, that queue manager reject the data and produce the following error and the FDC listed below.
AMQ6119 with rc=27 meaning EFBIG "File too big" on both Sending and Receiving queue managers.

Cause

Probe AD020000 is caused by an attempt to increase the queue file size beyond the Operating System limit (ulimit).

Resolving the problem

Increase the /etc/security/limits to go beyond 1GB.
Three things have to occur to over come the 1 GB limit:
  1. Enable large file support.
  2. Increase the ulimit values to match the MQ limit or to unlimited.
  3. Create the queue after you have enabled large file support.
As stated from the System Administration Guide - "Enabling large queues WebSphere MQ Version 5.3 supports queues larger than 2 GB. On AIX, HP-UX, Linux, and Solaris systems, you need to explicitly enable large file support before you can create queue files larger than 2 GB. See your operating system documentation for information on how to do this."
Additional information The FDC file produced numerous errors:
Probe Id :- AD020000
Component :- adiSetFSize
CMVC level :- p530-05-L030926
Program Name :- amqzlaa0_nd
Major Errorcode :- xecF_E_UNEXPECTED_SYSTEM_RC
Minor Errorcode :- OK
Probe Type :- MSGAMQ6119
Probe Severity :- 2
Probe Description :- AMQ6119: An internal WebSphere MQ error has occurred (Rc=27 from ftruncate)
FDCSequenceNumber :- 1626
Comment1 :- Rc=27 from ftruncate
Comment2 :- File too large
------------------------------------------------------------------
MQM Function Stack
zlaMainThread
zlaProcessMessage
zlaProcessMQIRequest
zlaMQPUT
zsqMQPUT
kpiMQPUT
kqiPutIt
kqiPutMsgSegments
apiPutMessage
aqmPutMessage
aqhPutMessage
aqqWriteMsg
aqqWriteMsgData
aqpWriteDataBuffers
adhResize
adiSetFSize
xcsFFST
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