Writing About Our Experiences With Oracle Databases
Thursday September 9th 2010

Latest Topics

Renaming Diskgroup containing Voting Disk and OCR

Recently encountered a issue where we had to rename a diskgroup for 11.2 RAC containing OCR and Voting Disk.At this [Read More]

Effect Of Multiple SHMMAX Settings

Last week I saw a warning message at database startup time saying: WARNING: EINVAL creating segment of size [Read More]

Finding blogging tough? Just copy and do find and replace

Finding blogging tough? Just copy and do find and replace

Well this is motto followed by Guenadi Jilevski for his blog http://gjilevski.wordpress.com and he seems to get result [Read More]

Physical Corruption: ORA-1578 part 3

Recently we encountered a block corruption issue in 10g database on Linux x86 64 bit and using ASM for storing database [Read More]

Cloning RAC Database with RMAN fails with error

Steps for cloning a RAC database  with RMAN is similar to cloning a single instance database. But while using rman [Read More]

‘oracle’ Archives

Don’t blindly implement Blog suggestions on your Production Servers

Don’t blindly implement Blog suggestions on your Production Servers. This post is prompted by a recent issue where in DBA had modified racgvip script based on suggestion on one of blog (won’t name it).  Any such suggestions or similar to these which involve [Read More]

Oracle Patch Set update (PSU 2) released for 10.2.0.4 and 11.1.0.7

Oracle has recently released Oracle Patch Set update (PSU 2) along with CPU October 2009. As informed earlier , PSU are released quarterly along with CPU patches. If you are running 10.2.0.4 RAC database, you need to apply following patches 1) Apply Patch 8833280 [Read More]

Sqlplus connection on AIX taking too long

Recently we faced a performance issue, where in sqlplus connection from application server A (AIX 5.3) to Database server DB (different physical server,10gR2 on AIX 5.3) was taking nearly 1-2 minutes.  We did some quick check’s to narrow down the problematic area.i.e [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]

Using Oracle Wallet to Execute Shell script/cron without hard coded Oracle database password

Using Oracle Wallet to Execute Shell script/cron without hard coded Oracle database password

You have been asked to schedule a shell script which need to connect to a  particular user and perform some action? How do you pass the password to script without hardcoding it in script. If password is written in a script, isn’t it a security threat? Well with 10gR2 [Read More]

Get Upgrading: Steps To Upgrade To 11gR2

Get Upgrading: Steps To Upgrade To 11gR2

As 11gR2 is out for Linux, I decided to upgrade one of my existing 10.2.0.3 database to 11.2.0.1 to get the look and feel of 11gR2. Direct upgrade to 11gR2 is supported from 9.2.0.8 or higher, 10.1.0.5 or higher, 10.2.0.2 or higher and 11.1.0.6 or higher. If you have a [Read More]

 Page 3 of 18 « 1  2  3  4  5 » ...  Last » 

Recent Comments

Lalit had this to say

Nice article. keep it up buddy. Read the post

Renaming Diskgroup containing Voting Disk/OCR | AskDba.org Weblog had this to say

had done similar activity on 11.2 Single instance having database files (see this post) using renamedg. We tried using Read the post

csk had this to say

In my case the adding Disk to an existing Disk Group failed as the disk was not visible from other RAC node.Now the Read the post

Saurabh Sood had this to say

Hi CSK, In this case, the information is already written into disk header, and to reuse the disk the only option i s Read the post

csk had this to say

Yeah. I have opened SR with Oracle. Once I get solution , I will provide it here. Read the post