Oracle Database&EBS General
-
High CPU usage on EMON PROCESS
In Our RAC databases I noticed EMON process consuming CPU. OEM graph like below: Continue reading
-
“SYS”.”ORA$AT_SA_SPC_SY_ is failing
I faced with this error message on 18c RAC database. Error message is: ORA-12012: error on auto execute of job “SYS”.”ORA$AT_SA_SPC_SY_10909″ ORA-01422: exact fetch returns more than requested number of rows ORA-06512: at “SYS.DBMS_ADVISOR”, line 201 ORA-06512: at “SYS.DBMS_SPACE”, line 2563 ORA-06512: at “SYS.DBMS_SPACE”, line 2643 Continue reading
-
How to Relocate SCAN_LISTENER
I have 12.0.1.2 node RAC system on Linux 64 bit. I had some e-mails from our developer team about database connection problems. They got “ORA-12541: TNS:no listener” error message. I started to investigate issue by checking current status of services by using below command: crsctl stat res -t I noticed that SCAN_LISTENER service status were Continue reading
-
ORA-12012 Error on auto execute of job “SYS”.”ORA$AT_OS_OPT_SY
In Our 18.3 RAC database, I noticed that below error in alertlog file. Errors in file /u01/app/oracle/diag/rdbms/sid/instance1/trace/instance1_j002_11339.trc: ORA-12012: error on auto execute of job “ORACLE_OCM”.”MGMT_CONFIG_JOB_2_1″ ORA-29280: invalid directory path ORA-06512: at “ORACLE_OCM.MGMT_DB_LL_METRICS”, line 2436 ORA-06512: at line 1 Seed database was most likely not created right by package dbms_stats.init_package not being ran. Dbms_stats.init_package creates statistics Continue reading
-
How to install Oracle Trace File Analyzer (TFA)
In this post I will explain how We can install and use TFA. Oracle Trace File Analyzer (TFA) provides a number of diagnostic tools in a single bundle, making it easy to gather diagnostic information about the Oracle database and clusterware, which in turn helps with problem resolution when dealing with Oracle Support. In many Continue reading
-
Where is my Spfile&My db use Spfile or Pfile
How we can check Our Dbs is running with spfile or pfile. Here is the some method to can find your file locations etc. 1. By using SqlPlus, Let us check your db started via spfile or pfile $ sqlplus / as sysdba Continue reading
-
ORA-02266&ORA-02298 During Truncate Table
While you are trying to truncate table you can hit ORA-02266: error. In this post I am going to make demo and share solution steps. I assume that We have 2 tables. Test and Test2. Those table have relation between each other. Let us try to truncate test table first Continue reading
-
ORA-00756&ORA-10567 Errors at Standby Database
I faced with that errors our 12c database. With those errors MRP process has been stopped at standby database and GAP started to increased Complete errors are: Reading datafile ‘/xxx/datafile/ts_1.dbf’ for corruption at rdba: 0x08d6e9fd (file 35, block 1501693) Reread (file 35, block 1501693) found same corrupt data (logically corrupt) Sat Jan 18 17:43:50 2020 Continue reading
-
How to Enable 12c Enterprise Manager Database Express
Start with Oracle Database 12c says, Oracle said goodbye Database Console which came with Oracle 10gR1 Version 10g was used OC4J and 11g was used weblogic. Also We were using emctl/emca commands to manage those systems. 12c brings a new tool called Database Express. The DB Express runs entirely with pl/sql code within the XDB Continue reading
-
How to use multiple paths during expdp& impdp
If your export size volume is huge than you may need to split export files instead of a single FS. In this case, We need to use the multiple directories feature of EXPDP or IMPDP utility. By using this feature, We can create multiple dump files in multiple directories and distribute our logical export to Continue reading
HELIOS BLOG 