sysstat \ unixODBC \ unixODBC-devel Install missing rpms:- # yum install oracle-rdbms-server-12cR1-preinstall MEMORY_TARGET During installation you can encounter typical error commonly know by DBAs ORA-00845: MEMORY_TARGET not supported on this system Oracle is using for automatic memory management Linux shared segemnts. Usually they are too small but you can modify it on-the-fly. For this presentation we need 2500M. Just modify entry in to have persistent settings between reboot of your machine “/etc/fstab” (on both nodes) # tmpfs /dev/shm tmpfs size=2500M 0 0 remount it # mount -o remount tmpfs and verify # mount | grep tmpfs # tmpfs on /dev/shm type tmpfs (rw,size=2500M) DNS configuration:- Option 1 : Use additional DNS server Option 2: Use DNSMASQ feature Option 1: Page 12 Option 2:- Configure dnsmasq for SCAN (for both node) [root@rac12c-pub1 ~]# yum install dnsmasq [root@rac12c-pub1 ~]# cat /etc/racdns #scan
sysstat \ unixODBC \ unixODBC-devel Install missing rpms:- # yum install oracle-rdbms-server-12cR1-preinstall MEMORY_TARGET During installation you can encounter typical error commonly know by DBAs ORA-00845: MEMORY_TARGET not supported on this system Oracle is using for automatic memory management Linux shared segemnts. Usually they are too small but you can modify it on-the-fly. For this presentation we need 2500M. Just modify entry in “/etc/fstab” to have persistent settings between reboot of your machine (on both nodes) # tmpfs /dev/shm tmpfs size=2500M 0 0 remount it # mount -o remount tmpfs and verify # mount | grep tmpfs # tmpfs on /dev/shm type tmpfs (rw,size=2500M) DNS configuration:- Option 1 : Use additional DNS server Option 2: Use DNSMASQ feature Option 1: Page 12 Option 2:- Configure dnsmasq for SCAN (for both node) [root@rac12c-pub1 ~]# yum install dnsmasq [root@rac12c-pub1 ~]# cat /etc/racdns #scan
12c_rac-installation_on_oel6-4_by_mustak-ahmed.docx