Monthly Archives: September 2010

Storage Essentials for Oracle RAC DBA

Today DBA’s are suppose to understand many areas like, Storage, Network, Operating System etc. apart from database skills. One do not expect them to master these skills, but surely expect them to know basics and clearly specify the requirements in … Continue reading

Posted in Oracle Real Application Cluster | Tagged | Leave a comment

Oracle deinstall utility

Oracle deinstall utility was a new feature which was added as part of 11gr2 release. Now one cannot uninstall oracle home using $ORACLE_HOME/oui/bin/runInstaller GUI. We need to invoke a CLI deinstall present in $ORACLE_HOME/deinstall. This CLI ask few questions related … Continue reading

Posted in Oracle 11g Enhancements, Oracle Software Install / Deinstall | Tagged | 4 Comments

Using Oracle KFOD utility

KFOD is another utility which is very helpful in troubleshooting the ASM disk related issues. I did not find much documentation around this utility, but I guess which is not needed. It is pretty straight forward to use. We can … Continue reading

Posted in Oracle Automatic Storage Management | Tagged | 6 Comments

Recovering ASM based OCR & Voting disk in 11gR2

In Oracle 11gr2 we can use ASM as the storage for OCR and VOTING disks. There are few factors we need to understand 1. Directly restore of a manual / automatic OCR backup is not possible, if the OCR is … Continue reading

Posted in Oracle Automatic Storage Management, Oracle Cluster Ready Services, Oracle Real Application Cluster | Tagged | 6 Comments

Moving OCR / VOTING disk from ASM to filesystem in 11gr2

In Oracle 11gr2 we can use ASM as the storage for OCR and VOTING disks. There are few things we need to understand 1. Directly restore of a manual / automatic OCR backup is not possible, if the OCR is … Continue reading

Posted in Oracle Automatic Storage Management, Oracle Cluster Ready Services, Oracle Real Application Cluster | Tagged | 11 Comments