Large pages are not used when databases are started from srvctl on ibm aix

Hi,
RAC 11.2.0.3.2 on IBM AIX 6.1 TL07. Mixed databases 10.2.0.5.4 and 11.2.0.3.2
When started with SQLPLUS, the database instance use LARGE PAGES
When started with SRVCTL, the database instance doesn't use LARGE PAGES, even root has the right capabilities
lsuser -a capabilities root
root capabilities=CAP_NUMA_ATTACH,CAP_BYPASS_RAC_VMM,CAP_PROPAGATE
The same behaviour is observed for 10.2.0.5.4 and 11.2.0.3.2 databases.
ORACLE_SGA_PGSZ=16m is exported in /etc/profile.
I found that :
1) When the node is restarted (shutdown -r now), clusterware and all databases (database 10gr2, 11gr2 , asm, ...) start automaticaly WITHOUT using LARGE PAGES. After this, databases restarted with SQLPLUS are USING LARGE PAGES, and databases restarted with SRVCTL NEVER use LARGE PAGES.
2) When the clusterware is restarted manualy (crsctl stop|start crs) all databases (database 10gr2, 11gr2 , asm, ...) start automaticaly and all instances (10gr2 and 11gr2) are USING the LARGE PAGES. After this, database are ALWAYS using LARGE PAGES (started with SQLPLUS or SRVCTL)
So, this problem occurs only after a restart of the host. All is fine after a manual restart of the clusterware.
my references
SGA Not Pinned In The AIX Large Pages When Instance Is Started With Srvctl [ID T369424.1]
How to enable Large Page Feature on AIX-Based Systems [ID 372157.1]
Thank's for your help

The problem here is for IBM AIX (I dont find the equivalent for ulimit -l max locked memory, in ulimit for AIX)
Here a portion of the original /etc/ohasd script (ulimit -c and -n are already set for AIX)
start_stack()
# see init.ohasd.sbs for a full rationale
case $PLATFORM in
Linux)
# MEMLOCK limit is for Bug 9136459
ulimit -l unlimited
ulimit -c unlimited
ulimit -n 65536
ulimit -c unlimited
ulimit -n 65536
esac
So i put a trace
start_stack()
# see init.ohasd.sbs for a full rationale
case $PLATFORM in
Linux)
# MEMLOCK limit is for Bug 9136459
ulimit -l unlimited
ulimit -c unlimited
ulimit -n 65536
ulimit -c unlimited
ulimit -n 65536
echo "$(ulimit -a)" > /tmp/coh.log
echo "$(lsuser -a capabilities root)" >> /tmp/coh.log
esac
here is the result :
time(seconds) unlimited
file(blocks) unlimited
data(kbytes) unlimited
stack(kbytes) 4194304
memory(kbytes) unlimited
coredump(blocks) unlimited
nofiles(descriptors) 65536
threads(per process) unlimited
processes(per user) unlimited
root capabilities=CAP_NUMA_ATTACH,CAP_BYPASS_RAC_VMM,CAP_PROPAGATE
i continue investigating this way ...

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Large pages are not used when databases are started from srvctl on ibm aix

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