Writing About Our Experiences With Oracle Databases
Monday September 6th 2010

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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]

DBMS_SCHEDULER jobs not running?

I came across this posting on OTN which lists down things to check in case your scheduler job is not . This is quite [Read More]

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‘RAC’ Archives

CRSCTL CheatSheet

21 May, 2008 | Author: Amit | No Comments »

You can find below various commands which can be used to administer Oracle Clusterware using crsctl. This is for purpose of easy reference. Start Oracle Clusterware #crsctl start crs Stop Oracle Clusterware #crsctl stop crs Enable Oracle Clusterware #crsctl enable crs It [Read More]

11G: OCR Manual Backups

15 May, 2008 | Author: Amit | No Comments »

OCR is a file that manages cluster and Oracle Real Application Clusters (Oracle RAC) database configuration information. The OCR contains information about the cluster node list, instance-to-node mapping information, and information about Oracle Clusterware resource [Read More]

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Recent Comments

csk had this to say

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

Amit had this to say

Csk, I am not sure about SAN admin module but unless you erase the disk header (using dd), you will not be able to Read the post

csk had this to say

I am facing similar issue in a Production System. To avoid using dd command, can we un-present and present the Disk Read the post

csk had this to say

I am facing similar issue in Production System. But hesitating to use dd command. Is there any other safe way to do Read the post

Ron Gordon had this to say

I had a simillar ORA-15020: discovered duplicate ASM disk issue, our sysadmin determined that there was a BAD Read the post

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