Installation of SAP on RAC with Oracle ASM 1. SWPM will give you four options to install SAP. 2.Database RAC Parameter. We need to know about the scan listener name and port which it is using. By default it uses a port 1521. Listener Configuration for each RAC Node.
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Oracle Linux 7 is a production release, but Oracle Database 12c is only supported on it from (12.1.0.2) onward. This installation should not be used for a real system when using 12c database versions prior to 12.1.0.2.
This article describes the installation of Oracle Database 12c Release 1 (12.1) 64-bit on Oracle Linux 7 (OL7) 64-bit. The article is based on a server installation with a minimum of 2G swap and secure Linux set to permissive. An example of this type of Linux installation can be seen here.
- Oracle Installation Prerequisites
Related articles.
Download Software
Download the Oracle software from OTN or MOS depending on your support status.
Unpack Files
Unzip the files.
You should now have a single directory called 'database' containing installation files.
Hosts File
The '/etc/hosts' file must contain a fully qualified name for the server.
For example.
Set the correct hostname in the '/etc/hostname' file.
Oracle Installation Prerequisites
Perform either the Automatic Setup or the Manual Setup to complete the basic prerequisites. The Additional Setup is required for all installations.
Automatic Setup
If you plan to use the 'oracle-rdbms-server-12cR1-preinstall' package to perform all your prerequisite setup, issue the following command.
Earlier versions of Oracle Linux required manual setup of the Yum repository by following the instructions at http://public-yum.oracle.com.
It is probably worth doing a full update as well, but this is not strictly speaking necessary.
It's worth running the all the YUM commands listed in the manual setup section. Depending on the OS package groups you have selected, some additional packages might also be needed.
Manual Setup
If you have not used the 'oracle-rdbms-server-12cR1-preinstall' package to perform all prerequisites, you will need to manually perform the following setup tasks.
Add the following lines to the '/etc/sysctl.conf' file, or in a file called '/etc/sysctl.d/98-oracle.conf'.
Run one of the following commands to change the current kernel parameters, depending on which file you edited.
Add the following lines to a file called '/etc/security/limits.d/oracle-rdbms-server-12cR1-preinstall.conf' file.
The following packages are listed as required, including the 32-bit version of some of the packages. Many of the packages should be installed already.
Create the new groups and users.
Uncomment the extra groups you require.
Additional Setup
The following steps must be performed, whether you did the manual or automatic setup.
Set the password for the 'oracle' user.
Set secure Linux to permissive by editing the '/etc/selinux/config' file, making sure the SELINUX flag is set as follows.
Once the change is complete, restart the server or run the following command.
If you have the Linux firewall enabled, you will need to disable or configure it, as shown here or here. To disable it, do the following.
Create the directories in which the Oracle software will be installed.
Putting mount points directly under root without mounting separate disks to them is typically a bad idea. It's done here for simplicity, but for a real installation '/' storage should be reserved for the OS.
Unless you are working from the console, or using SSH tunnelling, login as root and issue the following command.
Add the following lines at the end of the '/home/oracle/.bash_profile' file.
Installation
Log into the oracle user. If you are using X emulation then set the DISPLAY environmental variable.
Start the Oracle Universal Installer (OUI) by issuing the following command in the database directory.
Proceed with the installation of your choice.
If you are doing an installation for an Enterprise Manager repository, remember to do an advanced installation and pick the ALT32UTF8 character set.
Check out the notes below for how to deal with potential errors that may arise during the installation.
You can see the type of installation I performed by clicking on the links below to see screen shots of each stage.
The 'Database Configuration Assistant Complete' screen displays the Database Express 12c URL, which will be something like 'https://ol7.localdomain:5500/em'.
Post Installation
Edit the '/etc/oratab' file setting the restart flag for each instance to 'Y'.
12.1.0.1 Notes
Only follow these notes if you are attempting the install using 12.1.0.1, there are a number of things that will need to be fixed along the way. These are not necessary for a 12.1.0.2 installation, as it completes cleanly.
The following steps need to be considered during the installation.
When clicking 'Next' on the 'Download Software Updates' screen you will get the following message. Click the 'Yes' button.
During the linking phase, you will see the following error.
To fix it, do the following:
Perform the following modifications to the '$ORACLE_HOME/rdbms/lib/env_rdbms.mk' file.
Click the 'Retry' button.
Later, you might see the following error.
To fix it, do the following:
Perform the following modifications to the '$ORACLE_HOME/ctx/lib/env_ctx.mk' file.
Click the 'Retry' button.
Due to the issues during the linking phase, it probably makes sense to do a relink once the installation is complete.
12.1.0.2 Notes
During the linking phase, you may see the following error.
To fix it, run the following command as the 'oracle' user, then click the 'Retry' button.
During the database creation as part of the installation, or after when using the DBCA, you may get the following error.
To fix it, follow the instructions to rebuild Perl as described towards the end of this post by Laurent Leturgez. You will have to redo the database creation.
For more information see:
Hope this helps. Regards Tim..
Hi All,
Kindly check the first part of the blog
In this part of the blog we will install the Database instance. Oracle RAC use the user oracle at OS level instead of ora<dbsid>
Oracle user should have the same password on all the RAC node and SSH need to be configure without a password mechanism
We will start the SWPM on the Database Primary node to install the Database Instance.
In this part of the blog , i will give only the important screenshot and little bit of explanation of the steps. While installing the Database instance we need to select the option Custom.
Database Instance Installation
Expand the below Tab SAP Enhancement Package 1 for SAP Netweaver 7.3–>oracle–>Process Orchestration–>Distributed System–>Database instance
We have to select the option Custom option to install the database
We have to enter the SAPSID and Profie Path of SCS instance. Since /sapmnt will be globally mounted on all the server so it will pick the SCS profile
from the directory /sapmnt/<SID>
After this , SWPM will ask to enter the Kernel DVD and Master Password of the system. The next screen will be the decision making for the
RAC environment which i have explain in my first blog Installation of SAP on RAC with Oracle ASM
Since we have install the SAP system on RAC on Oracle ASM, so we have selected the option.
Here , we have to enter DBSID. Database host name will be taken by the SWPM automatically. Hostname for database will be the primary node.
After this screen , SWPM will ask for the Export DVD and SAP SCHEMA password.(Screenshot not provided)
In the next Screen SWPM give you a option for Advance DB Configuration – For oracle Expert only.
You have to select the option , because you may need to change few input which are being provided by SWPM as default
After this screen , SWPM will ask for sys and system password as input followed by RDBMS DVD for oracle
SWPM will ask for the oracle GRID environment parameter , which is actually managing all the RAC environment.
There are few restriction on GRID oracle software and Database software which will be installed on the top of the GRID software
Database Software which which we will going to install later for the SAP system should have the same oracle and SBP patches version.
You cannot apply higher SAP bundle Patches than on GRID database software.
We have to provide the GRID SID as +ASM1 as we are installing the SAP system on oracle with ASM feature.
We can check ORACLE_SID for GRID by using the below command
srvctl status asm -n <nodename of the database server>
output :
+ASM1 is running on node <nodename>
We have to provide the ASM Diskgroup and in ASM disk group has below naming convention
+DATA_<SID> –> It contains the data file for the oracle database
+RECO_<SID>–> It contain the Redo log files
+ARCH_<SID>–> It contain the Archive log files
We need to have two tablespace for PSAPUNDO001 and PSAPUNDO002 for two ASM instances +ASM1 and +ASM2 respectively.
We have to keep the parameter cluster_database = false as of now.
remote_listener = <scan listener name>:1521
To check the scan listener name on the nodes , run the below command
srvctl config scan_listener
In this screen you have to provide the ORACLE_HOME , Oracle Stage directory , SAPData directory
Oracle Home = /oracle/<SID>/112_64
Oracle Stage = /oracle/stage_<SID>/112_64
SAP Data directory = /oracle/<SID>
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SAP Data directory will be created in diskgroup +DATA_<SID>
+OLOG_<SID> = ASM directory for Redologs
+RECO_<SID> = ASM directory for mirror Redologs member.
control file of oracle will be created in three disk group +DATA_<SID> , +ARCH_<SID> , +RECO_<SID>
Now we have to install the Database software for the new database SID. We will not touch the existing Database software for existing systems on the same node.