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ORA-00245: Control File Backup Failed; Target is Likely on a Local File System

April 23, 2015 Santosh Tiwary

In alert log I got an issue ORA-00245: control file backup failed; target is likely on a local file system.…

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Posted in: Oracle DBA, RAC, RMAN

Terminating Sessions: Find Blocking Locks in Oracle

April 22, 2015 Santosh Tiwary 2 Comments

Oracle Blocking Sessions occur when one sessions holds an exclusive lock on an object and doesn’t release it before another…

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Posted in: Oracle DBA

HTTP Listener Failed at Startup Possible Port Conflict on Port

March 17, 2015 Santosh Tiwary

Few days back I got an alert: Agent is Not Running. Possible port conflict on port(3872): Retrying the operation. Failed to start…

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Posted in: Oracle DBA

ORA-3136: Inbound Connection Timed Out

March 7, 2015 Santosh Tiwary

Few days back we get an issue Inbound connection timed out (ORA-3136) in alert log. To troubleshoot this we need…

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Posted in: Oracle DBA

ORA-01950: no privileges on tablespace users in Oracle

Santosh Tiwary

Few days back, an error was reported in the alert log which was due to no privileges on tablespace for…

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Posted in: Oracle DBA

Linux Crontab: Cron and Crontab usage and Examples

January 19, 2015 Santosh Tiwary

Linux Crontab Format – Cron Job Sceduling, usage with Examples The content of the file can be divided in to…

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Posted in: Linux Admin

Install Wine in RHEL/CentOS/Ubuntu 7.0/6.x/5.x and Fedora 21-12

January 1, 2015 Santosh Tiwary

Wine is used To Run Windows Software on Linux. Linux users generally search for some techniques using which they could install…

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Posted in: Linux Admin

How to Find Out the size of your Oracle Database

December 24, 2014 Santosh Tiwary 5 Comments

Oracle database Size depends on the volume of data stored on disk or ASM. You can check size of Oracle…

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Posted in: Oracle DBA, Oracle Script

Schema and Non-Schema Objects in Oracle Database

December 9, 2014 Santosh Tiwary

Oracle database contains schema objects like views, tables, triggers etc., and several other types of objects which are also stored…

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Posted in: Oracle DBA

How To Find DBID in NOMOUNT State

December 8, 2014 Santosh Tiwary

Oracle Database identifier in short DBID is an internal, unique identifier for an Oracle database. Database administrator must note down…

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Posted in: Oracle DBA

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