Monday, January 12, 2009

Know about orainstRoot and

Why do you run orainstRoot and ROOT.SH once you finalize the Installation? needs to be run to change the Permissions and groupname to 770 and to dba. (ORACLE_HOME) location needs to be run to create a ORATAB in /etc/oratab or /opt/var/oratab in Solaris and to copy dbhome, oraenv and coraenv to /usr/local/bin.
[root@oracle11g ~]# /u01/app/oraInventory/
Changing permissions of /u01/app/oraInventory to 770.
Changing groupname of /u01/app/oraInventory to dba.
The execution of the script is complete
[root@oracle11g ~]# /u01/app/oracle/product/11.1.0/db_1/
Running Oracle 11g script...
The following environment variables are set as:
ORACLE_HOME= /u01/app/oracle/product/11.1.0/db_1
Enter the full pathname of the local bin directory: [/usr/local/bin]:
Copying dbhome to /usr/local/bin ...
Copying oraenv to /usr/local/bin ...
Copying coraenv to /usr/local/bin ...
Creating /etc/oratab file...
Entries will be added to the /etc/oratab file as needed by
Database Configuration Assistant when a database is created
Finished running generic part of script.
Now product-specific root actions will be performed.
Finished product-specific root actions.

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I am an Oracle Certified Professional, Oracle 9i/10G DBA, having 4+ years of core DBA experience.