{"id":17488,"date":"2020-11-18T22:05:11","date_gmt":"2020-11-18T22:05:11","guid":{"rendered":"https:\/\/dbtut.com\/?p=17488"},"modified":"2020-11-18T22:10:21","modified_gmt":"2020-11-18T22:10:21","slug":"how-to-install-oracle-rac-19c-on-linux","status":"publish","type":"post","link":"https:\/\/dbtut.com\/index.php\/2020\/11\/18\/how-to-install-oracle-rac-19c-on-linux\/","title":{"rendered":"How To Install Oracle RAC 19c on Linux"},"content":{"rendered":"

In today’s article, we will install Oracle RAC 19c on Linux. Our installation will be on Oracle Linux 8.<\/p>\n

What is Oracle RAC?<\/h3>\n

Oracle Real Application Cluster is a cluster structure in which multiple servers work for a single service using shared disk technology prepared for an uninterrupted database access. Thanks to this structure that works with a minimum of two servers, we aim for uninterrupted service at maximum efficiency in production environments.<\/p>\n

For Real Application Cluster installation, we will use two Oracle Linux operating systems, two ethernet cards connected to these operating systems and a shared disk that can be seen by both operating systems.<\/p>\n

Install Oracle RAC 19c on Linux<\/h3>\n

Installation Steps:<\/h4>\n

Our installation steps will be as follows;<\/p>\n

Step1: How To Install Oracle Linux<\/a><\/strong><\/p>\n

Step2: How To Install Oracle Grid Infrastructure 19c on Linux<\/a><\/strong><\/p>\n

Step3: How To Install Oracle 19c Database on Linux<\/strong><\/p>\n

First you should read Step1: How To Install Oracle Linux<\/a>.<\/strong> If you already have Oracle Linux, you should configure your operating systems as follows.<\/p>\n

Network Configuration for Oracle RAC<\/h3>\n

We install our operating system by following the steps on the link above. In this way, we need to use two operations. I’ll use the names node1.bugraparlayan.local for the first operating system and node2.bugraparlayan.local for the second operating system.<\/p>\n

Now that the operating system is ready, let’s edit the network and packages.<\/p>\n

First of all, we make our Network settings. In this way, my servers can be accessed via the relevant ip address.<\/p>\n

Public IP Definitions for Node1:<\/strong><\/p>\n

IP Address : 192.168.132.130\r\nSubnet    : 255.255.255.0\r\nGateway   : 192.168.132.2\r\n \r\n# nano \/etc\/sysconfig\/network-scripts\/ifcfg-ens160\r\n \r\nPROXY_METHOD=none\r\nBROWSER_ONLY=no\r\nBOOTPROTO=none\r\nDEFROUTE=yes\r\nIPV4_FAILURE_FATAL=no\r\nIPV6INIT=yes\r\nIPV6_AUTOCONF=yes\r\nIPV6_DEFROUTE=yes\r\nIPV6_FAILURE_FATAL=no\r\nIPV6_ADDR_GEN_MODE=stable-privacy\r\nNAME=ens160\r\nUUID=2c37e065-760b-460c-a0eb-6d388b6c7134\r\nDEVICE=ens160\r\nONBOOT=yes\r\nIPADDR=192.168.132.130\r\nPREFIX=24\r\nGATEWAY=192.168.132.2\r\nDNS1=192.168.132.2<\/pre>\n
Public IP Definitions for Node2:<\/strong><\/p>\n
IP Address : 192.168.132.131\r\nSubnet    : 255.255.255.0\r\nGateway   : 192.168.132.2\r\n \r\n# nano \/etc\/sysconfig\/network-scripts\/ifcfg-ens160\r\n \r\nPROXY_METHOD=none\r\nBROWSER_ONLY=no\r\nBOOTPROTO=none\r\nDEFROUTE=yes\r\nIPV4_FAILURE_FATAL=no\r\nIPV6INIT=yes\r\nIPV6_AUTOCONF=yes\r\nIPV6_DEFROUTE=yes\r\nIPV6_FAILURE_FATAL=no\r\nIPV6_ADDR_GEN_MODE=stable-privacy\r\nNAME=ens160\r\nUUID=2c37e065-760b-460c-a0eb-6d388b6c7134\r\nDEVICE=ens160\r\nONBOOT=yes\r\nIPADDR=192.168.132.1301\r\nPREFIX=24\r\nGATEWAY=192.168.132.2\r\nDNS1=192.168.132.2<\/pre>\n
We configure our second ethernet card for interconnect connections.<\/p>\n
Private IP Definitions for Node1:<\/strong><\/p>\n
IP Address : 172.16.132.130\r\nSubnet    : 255.255.255.0\r\nGateway   : 172.16.132.2\r\n \r\n#nano \/etc\/sysconfig\/network-scripts\/ifcfg-ens224\r\n \r\nTYPE=Ethernet\r\nPROXY_METHOD=none\r\nBROWSER_ONLY=no\r\nBOOTPROTO=none\r\nDEFROUTE=yes\r\nIPV4_FAILURE_FATAL=no\r\nIPV6INIT=yes\r\nIPV6_AUTOCONF=yes\r\nIPV6_DEFROUTE=yes\r\nIPV6_FAILURE_FATAL=no\r\nIPV6_ADDR_GEN_MODE=stable-privacy\r\nNAME=ens224\r\nUUID=e0338812-35e5-48ad-b139-987da44807ed\r\nDEVICE=ens224\r\nONBOOT=no\r\nIPADDR=172.16.132.130\r\nPREFIX=24\r\nGATEWAY=172.16.132.2\r\nDNS1=172.16.132.2<\/pre>\n
Private IP Definitions for Node2:<\/strong><\/p>\n
IP Address : 172.16.132.130\r\nSubnet    : 255.255.255.0\r\nGateway   : 172.16.132.2\r\n \r\n#nano \/etc\/sysconfig\/network-scripts\/ifcfg-ens224\r\n \r\nTYPE=Ethernet\r\nPROXY_METHOD=none\r\nBROWSER_ONLY=no\r\nBOOTPROTO=none\r\nDEFROUTE=yes\r\nIPV4_FAILURE_FATAL=no\r\nIPV6INIT=yes\r\nIPV6_AUTOCONF=yes\r\nIPV6_DEFROUTE=yes\r\nIPV6_FAILURE_FATAL=no\r\nIPV6_ADDR_GEN_MODE=stable-privacy\r\nNAME=ens224\r\nUUID=e0338812-35e5-48ad-b139-987da44807ed\r\nDEVICE=ens224\r\nONBOOT=no\r\nIPADDR=172.16.132.131\r\nPREFIX=24\r\nGATEWAY=172.16.132.2\r\nDNS1=172.16.132.2<\/pre>\n
Restart NetworkManager Service on Oracle Linux<\/h4>\n
Since we have added public and private ip information on both our servers, we can restart our network service.<\/p>\n
Disable Selinux on Oracle Linux<\/h4>\n
We disable Selinux on Node1 and Node2.<\/p>\n
# nano \/etc\/selinux\/config\r\n \r\nSELINUX=disable<\/pre>\n
Disable Firewall on Oracle Linux<\/h4>\n
We disable Firewall services on Node1 and Node2.<\/p>\n
# systemctl stop firewalld.service\r\n \r\n# systemctl disable firewalld.service<\/pre>\n
NTP Configuration on Oracle Linux<\/h4>\n
We do our NTP configuration for node 1 and node 2 and restart the service.<\/p>\n
nano \/etc\/chrony.conf\r\n \r\nserver tr.pool.ntp.org iburst\r\n \r\n# systemctl restart chronyd.service\r\n# systemctl enable chronyd.service<\/pre>\n
Install Packages<\/h4>\n
We install our packages required for installations. The preinstall package will automatically create priority users for us. We run it for Node1 and Node2.<\/p>\n
# yum install oracle-database-preinstall-19c\r\n# yum install oracleasm-support\r\n \r\n# reboot<\/pre>\n
Create Users<\/h4>\n
I create the following users on Node1 and Node2 and assign them to groups.<\/p>\n
# groupadd -g 54333 asmdba\r\n# groupadd -g 54334 asmoper\r\n# groupadd -g 54335 asmadmin\r\n# useradd -m -u 54341 -g oinstall -G dba,asmadmin,asmdba,asmoper -d \/home\/grid -s \/bin\/bash grid\r\n# usermod -a -G asmdba oracle\r\n# passwd oracle\r\n# passwd grid<\/pre>\n
I create the following folders on Node1 and Node2 and configure the related rights.<\/p>\n
mkdir -p \/u01\/app\/grid\/19.3.0\/gridhome_1\r\nmkdir -p \/u01\/app\/grid\/gridbase\/\r\nmkdir -p \/u01\/app\/oracle\/database\/19.3.0\/dbhome_1\r\nchown -R oracle.oinstall \/u01\/\r\nchown -R grid.oinstall \/u01\/app\/grid\r\nchmod -R 775 \/u01\/<\/pre>\n
Now we will make our profile definitions. This process will again be for Node1 and Node2.<\/p>\n
I am making the .bash_profile definitions for the “oracle” user on Node 1.<\/p>\n
# nano \/home\/oracle\/.bash_profile\r\n \r\n \r\n# Oracle Settings\r\n \r\nexport TMP=\/tmp\r\nexport TMPDIR=$TMP\r\nexport ORACLE_HOSTNAME=node1.bugraparlayan.local\r\nexport ORACLE_UNQNAME=BUGRA19C\r\nexport ORACLE_BASE=\/u01\/app\/oracle\/database\/19.3.0\/\r\nexport DB_HOME=$ORACLE_BASE\/dbhome_1\r\nexport ORACLE_HOME=$DB_HOME\r\nexport ORACLE_SID=BUGRA19C1\r\nexport ORACLE_TERM=xterm\r\nexport PATH=\/usr\/sbin:\/usr\/local\/bin:$PATH\r\nexport PATH=$ORACLE_HOME\/bin:$PATH\r\nexport LD_LIBRARY_PATH=$ORACLE_HOME\/lib:\/lib:\/usr\/lib\r\nexport CLASSPATH=$ORACLE_HOME\/jlib:$ORACLE_HOME\/rdbms\/jlib<\/pre>\n
I make the .bash_profile definitions for the “grid” user on Node 1.<\/p>\n
# nano \/home\/grid\/.bash_profile\r\n \r\n \r\n# Grid Settings\r\nexport TMP=\/tmp\r\nexport TMPDIR=$TMP\r\nexport ORACLE_HOSTNAME=node1.bugraparlayan.local\r\nexport ORACLE_BASE=\/u01\/app\/grid\/gridbase\/\r\nexport ORACLE_HOME=\/u01\/app\/grid\/19.3.0\/gridhome_1\r\nexport GRID_BASE=\/u01\/app\/grid\/gridbase\/\r\nexport GRID_HOME=\/u01\/app\/grid\/19.3.0\/gridhome_1\r\nexport ORACLE_SID=+ASM1\r\nexport ORACLE_TERM=xterm\r\nexport PATH=\/usr\/sbin:\/usr\/local\/bin:$PATH\r\nexport PATH=$ORACLE_HOME\/bin:$PATH\r\nexport LD_LIBRARY_PATH=$ORACLE_HOME\/lib:\/lib:\/usr\/lib\r\nexport CLASSPATH=$ORACLE_HOME\/jlib:$ORACLE_HOME\/rdbms\/jlib<\/pre>\n
I am making my .bash_profile definitions for the “oracle” user on Node2.<\/p>\n
#nano \/home\/oracle\/.bash_profile\r\n \r\nexport TMP=\/tmp\r\nexport TMPDIR=$TMP\r\nexport ORACLE_HOSTNAME=node2.bugraparlayan.local\r\nexport ORACLE_UNQNAME=BUGRA19C\r\nexport ORACLE_BASE=\/u01\/app\/oracle\/database\/19.3.0\/\r\nexport DB_HOME=$ORACLE_BASE\/dbhome_1\r\nexport ORACLE_HOME=$DB_HOME\r\nexport ORACLE_SID=BUGRA19C2\r\nexport ORACLE_TERM=xterm\r\nexport PATH=\/usr\/sbin:\/usr\/local\/bin:$PATH\r\nexport PATH=$ORACLE_HOME\/bin:$PATH\r\nexport LD_LIBRARY_PATH=$ORACLE_HOME\/lib:\/lib:\/usr\/lib\r\nexport CLASSPATH=$ORACLE_HOME\/jlib:$ORACLE_HOME\/rdbms\/jlib<\/pre>\n
Node2 \u00fczerindeki \u201d grid \u201d kullan\u0131c\u0131s\u0131 i\u00e7in .bash_profile tan\u0131mlar\u0131m\u0131 yap\u0131yorum.<\/p>\n
# Grid Settings\r\nexport TMP=\/tmp\r\nexport TMPDIR=$TMP\r\nexport ORACLE_HOSTNAME=rac2.bugraparlayan.local\r\nexport ORACLE_BASE=\/u01\/app\/grid\/gridbase\/\r\nexport ORACLE_HOME=\/u01\/app\/grid\/19.3.0\/gridhome_1\r\nexport GRID_BASE=\/u01\/app\/grid\/gridbase\/\r\nexport GRID_HOME=\/u01\/app\/grid\/19.3.0\/gridhome_1\r\nexport ORACLE_SID=+ASM2\r\nexport ORACLE_TERM=xterm\r\nexport PATH=\/usr\/sbin:\/usr\/local\/bin:$PATH\r\nexport PATH=$ORACLE_HOME\/bin:$PATH\r\nexport LD_LIBRARY_PATH=$ORACLE_HOME\/lib:\/lib:\/usr\/lib\r\nexport CLASSPATH=$ORACLE_HOME\/jlib:$ORACLE_HOME\/rdbms\/jlib<\/pre>\n
We add the following information to the Node1 and Node2 hosts file.<\/p>\n
# nano \/etc\/hosts\r\n \r\n192.168.132.130 node1 node1.bugraparlayan.local\r\n192.168.132.131 node2 node2.bugraparlayan.local\r\n192.168.132.132 node1-vip node1-vip.bugraparlayan.local\r\n192.168.132.133 node2-vip node2-vip.bugraparlayan.local\r\n192.168.132.134 bgrdb-scan bgrdb-scan.bugraparlayan.local\r\n192.168.132.135 bgrdb-scan bgrdb-scan.bugraparlayan.local\r\n192.168.132.136 bgrdb-scan bgrdb-scan.bugraparlayan.local\r\n172.16.132.10 node1-priv node1-priv.bugraparlayan.local\r\n172.16.132.11 node2-priv node2-priv.bugraparlayan.local<\/pre>\n
Step1 is completed. Now you should read below article to install oracle grid 19c.<\/p>\n
Step2:How To Install Oracle Grid Infrastructure 19c on Linux<\/a><\/strong><\/p>\n
Step3:<\/h3>\n
How To Install Oracle 19c on Linux<\/h3>\n
In Step1 and Step2, I explained the operating system and Grid installation. In this section, I will explain Oracle 19c Database installation on Grid infrastructure.<\/p>\n
We can quickly start our Oracle Database installation. First we will just install the software and then create the Database.<\/p>\n
[root@node1 ~]# su - oracle\r\n[oracle@node1 ~]$ cd $ORACLE_HOME\r\n[oracle@node1 ~]$ .\/runInstaller<\/pre>\n
\"\"<\/p>\n
\"\"<\/p>\n
\"\"<\/p>\n
Since I will need some technical requirements, I want to take advantage of the “Enterprise Edition” benefits. For this reason, I will continue with “Enterprise Edition” selected.<\/p>\n
\"\"<\/p>\n
\"\"<\/p>\n
\"\"<\/p>\n
In the last step, it will ask us to run a script. You can make the script run automatically by selecting the pointed section below.<\/p>\n
\"\"<\/p>\n
\"\"<\/p>\n
\"\"<\/p>\n
In this step, the “root.sh” script will be run on both servers.<\/p>\n
[root@node1 dbhome_1]# \/u01\/app\/oracle\/database\/19.3.0\/dbhome_1\/root.sh\r\n\r\nPerforming root user operation.\r\n\r\nThe following environment variables are set as:\r\nORACLE_OWNER= oracle\r\nORACLE_HOME= \/u01\/app\/oracle\/database\/19.3.0\/dbhome_1\/\r\n\r\nEnter the full pathname of the local bin directory: [\/usr\/local\/bin]:\r\nThe contents of \u201cdbhome\u201d have not changed. No need to overwrite.\r\nThe contents of \u201coraenv\u201d have not changed. No need to overwrite.\r\nThe contents of \u201ccoraenv\u201d have not changed. No need to overwrite.\r\n\r\nEntries will be added to the \/etc\/oratab file as needed by\r\nDatabase Configuration Assistant when a database is created\r\nFinished running generic part of root script.\r\nNow product-specific root actions will be performed.<\/pre>\n
p\/oracle\/database\/19.3.0\/dbhome_1\/\r\n\r\nEnter the full pathname of the local bin directory: [\/usr\/local\/bin]:\r\nThe contents of \u201cdbhome\u201d have not changed. No need to overwrite.\r\nThe contents of \u201coraenv\u201d have not changed. No need to overwrite.\r\nThe contents of \u201ccoraenv\u201d have not changed. No need to overwrite.\r\n\r\nEntries will be added to the \/etc\/oratab file as needed by\r\nDatabase Configuration Assistant when a database is created\r\nFinished running generic part of root script.\r\nNow product-specific root actions will be performed.<\/pre>\n
\"\"<\/p>\n
Create Oracle 19c Database<\/h3>\n
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[oracle@node1 ~]$ sqlplus \/ as sysdba\r\n\r\nSQL*Plus: Release 19.0.0.0.0 - Production on Thu Oct 1 10:34:28 2020\r\nVersion 19.3.0.0.0\r\n\r\nCopyright (c) 1982, 2019, Oracle.  All rights reserved.\r\n\r\n\r\nConnected to:\r\nOracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production\r\nVersion 19.3.0.0.0\r\n\r\nSQL><\/pre>\n
Finally, our database is ready. We have come to the end of our Oracle Database 19C Real Application Clusters RAC article. In the following articles, we will talk about the advantages of RAC usage and the most important services in detail.<\/p>\n
Hope to see you again,<\/p>\n
<\/div>\n
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<\/div>\n","protected":false},"excerpt":{"rendered":"
In today’s article, we will install Oracle RAC 19c on Linux. Our installation will be on Oracle Linux 8. What is Oracle RAC? Oracle Real Application Cluster is a cluster structure in which multiple servers work for a single service using shared disk technology prepared for an uninterrupted database access. Thanks to this structure that …<\/p>\n
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