Oracle grid installation part 1

1) install necessary rpms for asm support , download the rpm here ASM libs or  google "oracle asm rpm"
2) install the rpm

grep MemTotal /proc/meminfo
grep SwapTotal /proc/meminfo

 /etc/init.d/oracleasm configure
/etc/init.d/oracleasm createdisk ASMDISK01 /dev/sda2
/etc/init.d/oracleasm createdisk ASMDISK02 /dev/sdb1
/etc/init.d/oracleasm createdisk ASMDISK03 /dev/sdc1
/etc/init.d/oracleasm createdisk ASMDISK04 /dev/sdd1
/etc/init.d/oracleasm createdisk ASMDISK05 /dev/sde1
/etc/init.d/oracleasm createdisk ASMDISK06 /dev/sdf1
/etc/init.d/oracleasm createdisk ASMDISK07 /dev/sdg1
/etc/init.d/oracleasm createdisk ASMDISK08 /dev/sdh1
/etc/init.d/oracleasm createdisk ASMDISK09 /dev/sdi1
/etc/init.d/oracleasm createdisk ASMDISK10 /dev/sdj1
/etc/init.d/oracleasm createdisk ASMDISK11 /dev/sdk1
/etc/init.d/oracleasm createdisk ASMDISK12 /dev/sdl1
/etc/init.d/oracleasm createdisk ASMDISK13 /dev/sdm1
/etc/init.d/oracleasm createdisk ASMDISK14 /dev/sdn1

chmod 777 grid/install/.oui
chmod 777 grid/install/unzip

groupadd --gid 54321 oinstall
groupadd --gid 54322 dba
groupadd --gid 54323 asmdba
groupadd --gid 54324 asmoper
groupadd --gid 54325 asmadmin
groupadd --gid 54326 oper

useradd --uid 54321 --gid oinstall --groups dba,oper,asmdba,asmoper oracle
passwd oracle

useradd --uid 54322 --gid oinstall --groups dba,asmadmin,asmdba,asmoper grid
passwd grid


mkdir -p /u01/app/oracle/product/11.2.0/db_1
chown -R oracle:oinstall /u01
chmod -R 775 /u01


yum install oracle-rdbms-server-11gR2-preinstall libaio glibc compat-libstdc libgcc libstdc++ unixODBC unixODBC-devel  elfutils-libelf-devel compat-libstdc++-33

http://myorastuff.blogspot.com/2015/10/crs-4124-oracle-high-availability.html


and
vim /u01/app/oracle/product/11.2.0/grid/crs/install/roothas.pl
bash /u01/app/oraInventory/orainstRoot.sh
bash /u01/app/oracle/product/11.2.0/grid/root.sh
https://oracle-base.com/articles/11g/oracle-db-11gr2-installation-on-oracle-linux-6#Installation