20210818-Oracle 21C下载和安装

Oracle 21C安装包下载地址

Oracle 21C文档位置

准备安装环境：

操作系统版本：Redhat 7.6

cd /home/oracle

touch install_db01.sh

chmod a+x install_db01.sh

vim install_db01.sh

#!/bin/bash
SPATH=/soft
DATAPATH=/oradata
FS_TYPE=ext4
ORABASE=/oracle/product
FNAME=LINUX.X64_213000_db_home.zip
MT_PT=/oracle
ORAlnven=/oracle
TPATH=/home/oracle
ORAHOME=/oracle/product/21.3/db
mem=$(free -g | grep Mem | awk {'print $2'})
shm=$((mem*1024*1024*819))
mall=$((shm/4096))
sga=$((mem*512))M
pga=$((mem*153))M
cpu=$(cat /proc/cpuinfo | grep process|wc -l)
install_database_log=$TPATH/install_database.log
install_database_rsp_file=$TPATH/install_database.rsp
#
##############################################################
## Step 2: create oracle path 
##############################################################
env_info(){
echo "Os:" `cat /etc/system-release`
echo `grep MemTotal /proc/meminfo`
 grep SwapTotal /proc/meminfo
df -h /tmp
free -g
df -h /dev/shm
echo "Processor architecture: " `uname -m`
}
mk_path(){
mkdir -p "$MT_PT"
mkdir -p "$DATAPATH"
         }
##############################################################
## Step 3: Change os properties 
##############################################################
change_os(){
   if [[ -f /usr/lib/systemd/system/ctrl-alt-del.target ]]; then
      rm -f /usr/lib/systemd/system/ctrl-alt-del.target
      init q
      systemctl stop firewalld
      systemctl stop avahi-daemon
      systemctl stop  bluetooth
      systemctl disable firewalld
      systemctl disable  avahi-daemon
      systemctl disable  bluetooth
      echo "OS has been changed"
   else
      echo "OS  has been changed!!!!"
   fi
}
add_user(){
   id oracle
   if [[ $? == 0 ]]; then
      echo "Oracle user has been add!!!!!!"
   else
      #user and group
      groupadd -g 301 oinstall
      groupadd -g 300 dba
      groupadd -g 303 oper
      groupadd -g 307 backupdba
      groupadd -g 308 dgdba
      groupadd -g 309 kmdba
       
      useradd -m -d /home/oracle -u 500 -g oinstall -G dba,oper,backupdba,dgdba,kmdba oracle
      mkdir -p $ORAHOME
      chown -R oracle:oinstall /oracle
      echo 'oracle' | passwd oracle --stdin
      cp /etc/profile /etc/profile_org
cat <<eof >> /etc/profile
if [ \$USER = "oracle" ]; then
    if [ \$SHELL = "/bin/ksh" ]; then
       ulimit -p 16384 
       ulimit -n 65536
    else
       ulimit -u 16384 -n 65536
    fi
fi
export HISTTIMEFORMAT="%F %T "
export HISTSIZE=10000
eof
cat <<eof >> /home/oracle/.bash_profile
export ORACLE_BASE=/oracle/product
export ORACLE_HOME=$ORAHOME
export PATH=\$PATH:\$ORACLE_HOME/bin:\$ORACLE_HOME/OPatch:\$ORACLE_HOME/suptools/oratop
export LD_LIBRARY_PATH=\$ORACLE_HOME/lib:\$LD_LIBRARY_PATH
export ORACLE_SID=$DBNAME
alias cdo='cd \$ORACLE_HOME'
alias cdb='cd \$ORACLE_HOME/dbs'
alias cdn='cd \$ORACLE_HOME/network/admin'
alias cdal='cd \$ORACLE_BASE/diag/rdbms/*/$DBNAME/trace'
alias sqp='sqlplus / as sysdba'
eof
      echo "User has been changed"
   fi
}
change_param(){
   if [[ $(cat /etc/sysctl.conf | grep 'oracle parameter' |wc -l) == 1 ]]; then
      echo "Parameter has been changed!!!!!!"
   else
      cp /etc/sysctl.conf /etc/sysctl.conf_orig
cat <<eof >> /etc/sysctl.conf
##oracle parameter
kernel.shmmni = 4096
kernel.shmall = $mall   
kernel.shmmax = $shm
fs.aio-max-nr = 1048576
fs.file-max = 6815744
#fs.aio-max-nr = 4194304  #系统最大异步IO请求数目
kernel.sem = 250 32000 100 128
net.ipv4.ip_local_port_range = 9000 65500
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048586
net.ipv4.ipfrag_high_thresh = 16777216#容易触发BUG,RHEL 6.6+/7.1+需要修改 ID 2008933.1
net.ipv4.ipfrag_low_thresh = 15728640#容易触发BUG,RHEL 6.6+/7.1+需要修改 ID 2008933.1
kernel.panic_on_oops = 1 #出现OOPS(OS内核错误)系统不倾向于宕机或重启
kernel.randomize_va_space = 0 #禁用物理内存地址是否随机分配Address Space Layout Randomization (ASLR)
vm.min_free_kbytes= 524288#配置最小保留内存，建议为512MB，如果物理内存超过128GB，按照比例翻倍。
vm.swappiness =10
eof
sysctl -p
       
cat <<eof >> /etc/security/limits.conf
##oracle parameter
*             -   memlock        unlimited
*          soft   memlock        unlimited
*          hard   memlock        unlimited
oracle soft nproc 16384
oracle hard nproc 16384
oracle soft nofile 65536
oracle hard nofile 65536
oracle soft stack 10240
eof
      sed -i -e "s/4096/16384/g" /etc/security/limits.d/20-nproc.conf
      cp /etc/pam.d/login /etc/pam.d/login_orig
      echo "session required pam_limits.so" >> /etc/pam.d/login
      echo "RemoveIPC=no" >> /etc/systemd/logind.conf
      systemctl daemon-reload
      systemctl restart systemd-logind
      echo "Parameter has been changed"
   fi
}
disable_thp(){
   if [[ $(cat /etc/default/grub | grep 'transparent_hugepage=never' |wc -l) == 1 ]]; then
      echo "THP has been disabled !!!!!!!"
   else
      cp /etc/default/grub  /etc/default/grub_orig
      cat /etc/default/grub 
      sed -i 's#rhgb quiet#rhgb quiet transparent_hugepage=never NUMA=off#' /etc/default/grub 
      #普通启动方式
      grub2-mkconfig -o /boot/grub2/grub.cfg
      #efi模式
      # grub2-mkconfig -o /boot/efi/EFI/redhat/grub.cfg
      if [[ $? != 0 ]]; then
         echo "THP change failed, Please manual change!"
      else
         echo "THP has been disabled!!!"
      fi
   fi
}
unzip_soft(){
chown oracle:oinstall $SPATH/$FNAME
echo "Begin unzip......"
su - oracle -c "unzip -qo $SPATH/$FNAME -d $ORAHOME"
}
env_info
mk_path
change_os
add_user
change_param
unzip_soft

nohup ./install_db01.sh > 01.log &

开始安装数据库:

su - oracle
[oracle@cjc db]$ pwd
/oracle/product/21.3/db

[oracle@cjc db]$ ./runInstaller 

netca

 [oracle@cjc db]$ source /home/oracle/.bash_profile

[oracle@cjc db]$ sqlplus -v

SQL*Plus: Release 21.0.0.0.0 - Production

Version 21.3.0.0.0

[oracle@cjc db]$ netca

dbca

[oracle@cjc db]$ dbca

EM

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