How to set Execution plan for my sql
Most of us face with similar issue on our sql which are running on our databases. Sometimes some sql could choose different plan and performance goes to worst. Normally with correct plan sql took 5...
View ArticlePMON terminating the instance due to error 481
I have 11.2.0.1.6 2 node RAC system with ASM on AIX 6.1 64 bit platform. One of the node has been rebooted. While We were investigating issue We noticed LMDO process terminating the instance. We have...
View Article“File Not Found” Errors Running RunInstaller or Setup.exe on 11gRx
I see many issues on OTN forum site which are related “File Not Found” errors during 11gR1 and 11gR2 installations. While you are starting to make installation by running RunInstaller or Setup.exe you...
View ArticleMRP0: Background Media Recovery terminated with error 1111
I have dataguard configuration such as 2 node rac(11.2.0.2) on aix 6.1 as primary, standalone standby database. I noticed that Primary can transport archive log to standby but standby can not apply...
View ArticleHow to Stop/Start RAC components
In this article, I am going to explain how to stop/start rac components. Here is the my system: My db version : 11.2.0.3 My Operating System : AIX 7.1 My servers hostname : node1-node2 My database name...
View ArticleORA-01578: ORACLE data block corrupted with ORA-01110: data file #: string
You can hit this error on your alert.log. Error could be similar as: ORA-01578: ORACLE data block corrupted (file # 12, block # 4207) ORA-01110: data file 11: ‘/xx/sytem.dbf’ There are many possible...
View ArticleRecreating the Spfile for RAC Instances.
In this post, I am going to explain how we can create Recreating the Spfile for RAC Instances. We had issue on our EBS R12.1.3 system with 11.2.0.1 2 node RAC system on AIX 6.1. We need to recreate our...
View ArticleRCA: LMON (ospid: XXXX) detects hung instances during IMR reconfiguration
We have 11.2.0.1.6 2 node RAC system which is belong r12.1.3 EBS system. Our node 1 is goes down by below errors: opiodr aborting process unknown ospid (11075852) as a result of ORA-28 LMON (ospid:...
View ArticleORA-39726: unsupported add/drop column operation on compressed tables
You can hit this error during drop column on your compressed tables For the 10.2 there is no solution for this error. But there are some options to workaround for can pass this error. These are:...
View ArticleError starting ORMI-Server. Unable to bind socket: The socket name is already...
Error starting ORMI-Server. Unable to bind socket: The socket name is already in use. Thread-1 WARN http: snmehl_connect: connect failed to (node1:xx): A remote host refused an attempted connect...
View ArticleRMAN backup end with ORA-19606&RMAN-03009 Errors
I have 11.2.0.3.6 standalone database with ASM on Aıx 7.1 system. We are using rman script to take full backup for that system. We have basic script to can take full backup of our system such as: run {...
View ArticleORA-15018-ORA-15030 How to recreate ASM Diskgroup Oracle 10g&11g
Sometimes as DBAs may need to recreate ASM Diskgroup on their environments. I face with one issue on our disaster test. Our ORADATA diskgroup sync with Disaster center but ORAFRA diskgroup do not copy...
View Articleksh: /usr/bin/rm: arg list too long
While you are deleting some xxx.trc -c-dump files or some other files which fill up your disk you may hit ksh: /usr/bin/rm: arg list too long error message, # cd /u01/app/oracle/admin/DB_NAME/bdump #...
View Articleex: 0602-101 Out of memory saving lines for undo.
While you are trying to open alert_SID.log file with vi editor you may hit ex: 0602-101 Out of memory saving lines for undo error message, # cd /u01/app/oracle/admin/DB_NAME/bdump # vi alert_SID.log...
View ArticleLsInventorySession failed: OracleHomeInventory::load() gets null oracleHomeInfo
I faced with that error message while I was trying to apply 10.2.0.4 patch on AIX 6.1 Here is the my steps: 1. Error Message: [oracle@test]</u01/app/oracle/product/10.2.0/OPatch>opatch...
View ArticleMessage 3511 not found; No message file for product=network,...
You may hit TNSTNS-03505 Message 3511 error message while you are trying to use tnsping command.Complete error message is: Message 3511 not found; No message file for product=network,...
View ArticleWAIT FOR EMON PROCESS NTFNS
WAIT FOR EMON PROCESS NTFNS We face this event on our 10.2.0.4.0 database. This is 2 node RAC system which is running on AIX 6.1 We notice that EMON process consuming CPU So What is EMON process?...
View ArticleCRS-4402: The CSS daemon was started in exclusive mode but found an active...
We face with this error while We are making 2 node RAC installation Db version : 11.2.0.4 Os : AIX 7.1 We run root.sh on node 1 without any issue. While we run root.sh node 2 we face this message:...
View ArticleORA-39002: ORA-39166: during import from full export
As a DBA We are using export/import utulity many times during our daily process. I have face this error trying to import only one table from full export. ORA-39002: invalid operation ORA-39166:...
View ArticleORA-02097&ORA-00068
As you know sometimes we need to change CPU count dynamically on our prod systems. Our Unix team change our 2 node RAC system (11.2.0.3 version) server’s CPU from 20 to 30 on AIX 7.1 After that change...
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