What are the steps to install oracle on Linux system?
Install RPMs & libraries,set up disks and kernel parameters, then create oracle user and DBA,oinstall,oper groups, and finally run installer to start the installation process.
http://orcl11gdba.blogspot.in/2014/12/11202-rac-installation-on-rhel-56.html
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List two kernel parameter that effect oracle installation?
SHMMAX & SHMALL
SHMMAX is the maximum size of a single shared memory segment set in "bytes".
cat /proc/sys/kernel/shmmax
SHMALL is the total size of Shared Memory Segments System wide set in "pages".
cat /proc/sys/kernel/shmall
the value of SHMMAX is set in "bytes" but the value of SHMMALL is set in "pages".
SHMMAX should be less than RAM and should be greater than sum of SGA of all oracle databases in that server
the parameters can be viewed in /etc/sysctl.conf file.
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