Readmeout Oracle DBA Blog Specifically Focusing on database administration, RMAN Backup and recovery, restore, cloning, performance tuning and sharing best practices.
Sajid Quameropmnctl opmn is not running| In this post describe how to resolve the opmnctl opmn failed to start a managed process after the maximum retry limit issue. Opmnctl opmn is not running. Scenario: Recently we have got error ‘Failed to start managed process after the maximum retry limit’ because copied IAS from different machine and try to start the … Read more
Suppose your index is not being used by SQL query with cost-based optimizer. Index monitoring allow you to easy identify the unused indexes (that are not being used) in oracle database. You can use alter index index_name monitoring command to enable the oracle index usage monitoring. Index usage monitoring Syntax to enable monitoring: – Once you … Read more
CREATE TABLE– Using create table we can create empty table in oracle database. SQL create table syntax. We all are aware that table is very important object in each and every database, so let start creating table in database. CREATE TABLE is the key word telling database to create new table in … Read more
Here we will Restore rman backup to different server with different database name. Perform backup on production server and we will restore it on any QC,DEV or UAT server. We have taken “RMAN backup” of PROD and will restore rman backup to different server with different database name. Let’s take two servers … Read more
Here we will discuss about requirement configure shell script, configure shell script to backup & schedule shell script for rman backup script to complete rman full backup using crontab in Linux, Solaris and Unix platform. Cron job will be triggered as per scheduled time. How to schedule shell script for rman backup? In this … Read more
In this post we will understand how to execute root.sh and orainstroot.sh scripts and What is the importance of executing orainstRoot.sh and root.sh scripts . Post installation steps, we have to execute two scripts ‘orainstRoot.sh’ and ‘root.sh’ scripts and Oracle also suggest backing up the ‘orainstRoot.sh’ and ‘root.sh’ scripts. These two scripts we should execute as ‘root’ user as it … Read more
Resolved printing lp and lpr return unauthorized error and MSG-00002: reject in Linux CUPS print server. Many times, Invoice printing failed as lp: Unauthorized below while ebs user’s trying to print from oracle application. Here I will show how to resolve lp: Unauthorized issue in CUPS Server printers.conf setting. Error showing in ebs Request log. … Read more
rman commands with examples | In this post, we will discuss Important RMAN commands for Oracle database. We are using these rman commands to manage the Oracle Database. Below is the various RMAN commands list that will help it more for daily dba jobs. Some rman commands with examples Below are some rman commands which … Read more
The “WARNING inbound connection timed out ORA-3136” in the alert log indicates that the client was not able to complete it’s authentication within the period of time specified by parameter. WARNING inbound connection timed out ORA-3136. SQLNET.INBOUND_CONNECT_TIMEOUT. You may also witness ORA-12170 without timeout error on the database server sqlnet.log file. This entry … Read more
In this post I will explain how to refresh test dev database from production RMAN backup. To “refresh database from rman backup” we will prefer from valid production rman backup. oracle database refresh from production to test involves restoring the database backup from the production environment to the test/development environment. This process should be executed carefully to … Read more