‘Featured’ Archives
Get Upgrading: Upgrade to Enterprise Manager Cloud Control 12c
This post describes the steps to upgrade an existing 11g Enterprise Manager Grid Control (11.1.0.1.0) to 12c (12.1.0.1.0). The Complete Upgrade process will be carried out under 3 different stages: 1. Patch existing 11g OMS to get the 12c upgrade console. 2. Deploy and [Read More]
Upgrading Grid Infrastructure 11.2.0.1 to 11.2.0.2 on RHEL4
11.2.0.2 Patchset was released few days back. I decided to upgrade a test RAC database to 11.2.0.2 yesterday and was able to do it successfully. I will be documenting the steps here for easy reference Environment Details 2 node RAC on Red Hat Enterprise Linux AS release 4 [Read More]
11gR2: Steps to Rename ASM Diskgroup with DB files
11gR2 introduced renamedg utility to rename diskgroups. I would discuss renaming a diskgroup on a Standalone Grid Infrastructure installation with Oracle Restart. Before you use the command, ensure that ASM diskgroup is dismounted. Below is syntax for the command. You can [Read More]
11gR2: Monitoring Real Time SQL Plan Execution from Oracle Enterprise Manager
Ever since 11gR2 has been released, it has created a lot of buzz in Oracle Blogosphere with various posts on 11g Release 2 (11gR2 ) New Features primarily ASM New features. I would like to introduce you all to a feature which has been incorporated in 11gR2 Oracle [Read More]
Resolving Shutdown Immediate Hang Situations
Many times Oracle DBA’s are faced with a situation where shutting down the instance with shutdown immediate seems to take infinite time and gives a impression that the session is hung. In most of the cases this is not a hang. Hang can be defined as a scenario when few [Read More]