How can I set the Shared Memory and Semaphore segments?

Hi all,

I want to install Oracle8.1.5 to Sun Solaris 2.7(Sparc), but after I added the parameter to the /etc/system of file, there allways come with the error of 'not defined the shmsys' while OS starting up. How can i work out of it? thanks.

-mike

Hi,

What is are the exact lines you are entering in the /etc/system file?

Moff

Hi,

This is the setting for Oracle 8.1.5. you have to set following parameters in the /etc/system.

set shmsys:shminfo_shmmax=256000000
set shmsys:shminfo_shmmin=1
set shmsys:shminfo_shmmni=100
set shmsys:shminfo_shmseg=10
set semsys:seminfo_semmns=200
set semsys:seminfo_semmni=70

already I done it same configuration in oracle 8.1.6 and solaris 2.8. That is working good. You worry about this, just you have to set same configuration, defenitely it will work.

G.Shankar.

Hi,

I would suggest you read the installation manual for the definitions (downloadable from technet) to ensure your system is configured correctly
eg number of semaphores - which could differ depending on the application your running.
However, below are the lines I've entered for my installation and I've had no problems.

set shmsys:shminfo_shmmax=4294967295
set shmsys:shminfo_shmmin=1
set shmsys:shminfo_shmmni=200
set shmsys:shminfo_shmseg=200
set semsys:seminfo_semmni=300
set semsys:seminfo_semmsl=150
set semsys:seminfo_semmns=300
set semsys:seminfo_semopm=200
set semsys:seminfo_semvmx=32767

Cheers

Moff

Thank you all!
I just changed my display and the Shared Memory parameter is set correctly. but there is another error occured with 'ORA-01012:NOT LOGGED ON', I have no ideas about it now, I was wondering if I could appeal to your good nature and ask you to help me out. TIA.

-mike

Hi,

When does this error occur?

Moff