Writing About Our Experiences With Oracle Databases
Sunday February 5th 2012

Latest Topics

11gR2:Listener Startup Issues

In this blog post I will be discussing listener startup issues faced in 11gR2 RAC. I will be constantly updating this [Read More]

Get Upgrading: Upgrade to Enterprise Manager Cloud Control 12c

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 [Read More]

Cluster SSH tool Utility

Cluster SSH tool Utility

Many times you come across scenario’s when you wish to open multiple ssh windows and execute same commands.e.g [Read More]

11g: Multiple failed login attempt can block New Application connections

In Oracle database 11g, a new feature/enhancement has potential of bringing down the application due to multiple [Read More]

Optimizer Choosing Nested-Loop Joins Instead of Hash-Joins

In one of my databases, one application query suddenly started to pick Nested-Loop joins instead of Hash-Joins and took [Read More]

Posts Tagged ‘11g Release 2’

In-Place Upgrade 11gR2 RAC : 11.2.0.1 To 11.2.0.2

In-Place Upgrade 11gR2 RAC : 11.2.0.1 To 11.2.0.2

Sharing a post from my friend “Carthik” on 11gR2 RAC in-place upgrade. Overview ======== Starting oracle 11gR2 the Oracle database and Clusterware upgrades are done via the “Out of place upgrade”. And is the easier way to perform your upgrade. [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]

Link:11gR2 RAC installation steps on OEL4

If you are looking for steps for 11gR2 RAC installation, you can refer to this article by Rajeev Ramdas at Dbastreet.com. Article lists down steps for installing 11gR2 RAC on 64 bit Oracle Enterprise Linux 4 (OEL4) using ASM for storage. As Raw devices are no longer [Read More]

11gR2: Monitoring Real Time SQL Plan Execution from Oracle Enterprise Manager

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]

11gR2 Database Installation with ASM on OEL5

11gR2 Database Installation with ASM on OEL5

I will be listing down steps for 11g Release 2 installation on Linux x86. There has been few changes incorporated in 11gR2 which must be given due consideration before starting installation. ASM instance now runs from new Oracle Home called Grid Infrastructure. If you wish [Read More]

Recent Comments

Saurabh Sood had this to say

Hi Pawan, We cannot force the writes to a specific disk. At least I am not aware of any such thing. Oracle will Read the post

Amit had this to say

hi Pawan, ASM_PREFERRED_READ_FAILURE_GROUPS is mainly used for RAC instances and that too stretch clusters i.e when Read the post

PAWAN had this to say

HI, i am newbie.... please guide me! My manager asked me to configure ASM in 11g with single instance Read the post

PAWAN had this to say

HI, i am newbie.... please guide me! My manager asked me to configure ASM in 11g with single instance Read the post

Saurabh Sood had this to say

@Ganesh: The global stats were up-to-date for both the databases, though I did not check the col stats. But the Read the post