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Kernel parameter semmni fails to pass installation prerequisite checks on Linux 7

edited May 11, 2018 5:00AM in Database Administration (MOSC) 3 commentsAnswered

I'm trying to install Oracle 11gR2 on Oracle Linux 7.4.

While the installer is performing prerequisite checks, we are  getting error:

This is a prerequisite condition to test whether the OS kernel parameter "semmni" is properly set. (more details)

Expected Value : 128

Actual Value : 0

Now if I execute as root:

/sbin/sysctl -a | grep sem

kernel.sem = 32000      1024000000      500     128

Which means that semmni=128.

Can somebody tell me what I'm I doing wrong?

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