Home » Kernel, Linux, Oracle

ORA-27125: unable to create shared memory segment

11 November 2008 One Comment

This post is for the users who got this error message (ORA-27125: unable to create shared memory segment) when they try to run Oracle 10g on linux.

Are 2 solutions for this problem:

1. Disable Huge TLB tables

export DISABLE_HUGETLBFS=1

in shell and after just restart oracle. (Take care because you will need a lot of RAM if you disable HUGETLBFS)

2. You need to recompile your linux kernel with following options enabled

CONFIG_HUGETLB_PAGE=y
CONFIG_HUGETLBFS=y

I hope this post will be helpful.


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One Comment »

  • Abhi said:

    Thanks! Worked perfectly for me.

    -Abhi

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