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Former Member

Oracle parameters installation

Hi,

I want to install the software client of oracle on unix and one of the prerequiste check is with warning:

Checking security kernel parameters

Checking for BIT_SIZE=64; found BIT_SIZE=64. Passed

Checking for shmsys:shminfo_shmmax=4294967295; found no entry. Failed <<<<

Checking for shmsys:shminfo_shmmni=100; found no entry. Failed <<<<

Checking for semsys:seminfo_semmni=100; found no entry. Failed <<<<

Checking for semsys:seminfo_semmsl=256; found no entry. Failed <<<<

Check complete. The overall result of this check is: Failed <<<<

Problem: The security parameters in the kernel do not meet the minimum requirements (see above).

Recommendation: Perform operating system specific instructions to update the kernel parameters, namely BIT_SIZE and noexec_user_stack.

What can I do?

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3 Answers

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    Former Member
    Dec 22, 2009 at 09:45 PM

    I guess you're talking about installing the oracle client. If so kindly follow SAP Note :819829

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    Former Member
    Dec 22, 2009 at 10:28 PM

    Hi Ruben,

    What kind of UNIX/Linux OS are you using? I think you have to change some kernel parameter.

    If you are using Linux, here is an example in order that can help you in order to find the right values:

    edit /etc/sysctl.conf and add the following lines:

    > kernel.shmall = 2097152

    > kernel.shmmax = 2147483648

    > kernel.shmmni = 4096

    > kernel.sem = 250 32000 100 128

    > fs.file-max = 65536

    after that type "sysctl u2013p" and start again your installation.

    You can find more information here:

    Note 941735 - SAP memory management for 64-bit Linux systems

    Regards,

    Federico Biavati

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    Former Member
    Dec 23, 2009 at 05:00 AM

    Hi Ruben,

    Which OS you are using, if its HP-UX, then in installation guide, you can check the topic "Checking and Modifying the HP-UX Kernel" for modifying the kernel parameters.

    Also run the Prerequisite Checker, so that you can know if any thing is missing.

    Regards,

    Ranjith

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