Readmeout Oracle DBA Blog Specifically Focusing on database administration, RMAN Backup and recovery, restore, cloning, performance tuning and sharing best practices.
Introduction: – Ora-20100 temporary file creation failed for fnd_file| ORA-20100: ORA-20100: File o00031194568.tmp creation failed for fnd_file. File could not be opened or operated on as requested. Action: Make sure the directory – /usr/tmp/RMDBUAT – is a valid directory with write permissions and is accessible from the database server node for write operation. Concurrent Request … Read more
Introduction: – While cloning, we just faced the error as ORA-00001 unique constraint violated. In autoconfig log showing as java.sql.SQLIntegrityConstraintViolationException: ORA-00001: unique constraint (APPLSYS.FND_DATABASE_INSTANCES_U1) violated ORA-06512: at “APPS.FND_APP_SYSTEM”, line 507 ORA-06512: at “APPS.FND_NET_SERVICES”, line 951 ORA-06512: at line 1. Why ORA-00001 unique constraint APPLSYS.FND_DATABASE_INSTANCES_U1 violated? After looking through many autoconfig logs, we came to the … Read more
PRCD 1119 failed to create database DEVDEB because the database unique name matches that of database DEVDEB in the first 8 characters. Identify error PRCD 1119 failed to create database. While trying to create CDB using dbca, recently we faced error PRCD-1119. Here will cover how to resolve it. As we can see, the error … Read more
How to set default gateway in linux | It’s very important to setup default gateway in linux/solaris/unix server to access the server from client machine. You can configure the static or temporary routing. Setup default gateway in linux. Before going to add default gateway in your operating system, delete your existing default gateway if you intend to change … Read more
Mount Windows Share in Linux.| Common Internet File System(CISF) is file sharing network protocol mainly used to provide shared access to files, printers, serial ports, and miscellaneous communications between nodes on a network. You can easily access CIFS share from Linux and mount them as a regular filesystem. Steps to Mount Windows Share in Linux. Examples:- mount … Read more
How to add route in Linux.| Sometimes we need to add IP using route add command in Linux server. This has very important to access the server from client machine. Without proper route entry user unable to access the server. How to check existing route entry in Linux?. We can check the existing route entry. Adding … Read more
Introduction:- Here’s how to delete route in Linux to access the server from client machine. To check the current entry in routing table in Linux use below command. To Check existing route entry. How to delete route in linux? If any unwanted ip address showing in routing table, we must use below command to delete the ip from … Read more
In this article, we will cover how to fix ‘IAS Cache initialization failed‘ using best way. We are facing this is issue while starting the EBS services. Earlier it was working fine. We are facing encountered unexpected error while login in EBS. Here will cover this error and login successfully smoothly. Error: – Why … Read more
In this article, we will do Duplicate from active database using rman, we can do rman duplicate database using rman in oracle database. Duplicating oracle database from active database doesn’t require RMAN backup. Steps to restore database using duplicate from active database. RMAN can easily duplicate/restore/clone database to target database over the network without any … Read more
In this article, we will resolve the login fails with error oacore Logs Shows oracle.apps.fnd.common.EBSLoggerHandler. Oacore Logs Shows ClassNotFoundException. Seems request failed for oa_html/appslogin resp code 500. Why login fails with error oacore:- The likely cause of this issue is CPU patch. Maybe we are facing this issue due to CPU patching, patches were applied during quarter … Read more