Oracle ASM & EMC Powerpath
In an Oracle ASM environment, you will have to use some kind of multipathing to tune your storage access. If you are using Veritas cluster(Storage Foundation for Real Application Clusters – SFRAC),...
View ArticleBEST PRACTICES OF ORACLE 10G/11G CLUSTERWARE
best_practices_oracle_clusterware_session355_wp(Read more...)Categories: High AvailabilityTags: CRShigh availabilityOracle
View ArticleFalse Clusterware Reboots
Introduction Is there such a thing called false reboots? You are running a cluster and your cluster nodes are getting rebooted randomly. Although many reasons can be causing the reboots, Oracle...
View ArticleIO Bound Systems can benefit from SSD
If the database system is IO bound, you can try to tune the system to improve the IO. But extreamly critical IO bound system, you can use Solid State Drives. If you would like to find out more on Solid...
View ArticleUnderstanding Cluster Node Eviction
There are many reasons why the cluster node goes down or evicted from the cluster. On a macro level, there are three areas which can cause a node eviction. They are: 1. Network Communication issues...
View ArticleADVM and ACFS are now available on SLES 10 SP3
Oracle has released ADVM and ACFS on 11g R2 patchset 11.2.0.2. Until recently it was not available but with SLES 11 SP3 onwards with 11.2.0.2, ADVM as well as ACFS are available.(Read...
View ArticleA PEEK INSIDE ORACLE ASM METADATA
Luca Canali, CERN, Jan 2006. Overview Oracle ASM (Automatic Storage Management) is a new feature of Oracle 10g to streamline storage management and provisioning. ASM provides volume and (cluster)...
View ArticleORACLE RAC: FINDING THE RESOURCE MASTER
by Chris Lawson INTRODUCTION: WHAT IS A RESOURCE MASTER? On a RAC cluster, only one node maintains extensive information about a particular resource (e.g., a data block) in use. We call that node the...
View ArticleConfiguring & Managing Golden Gate in Oracle Clusterware By Michael Rajendran
Introduction Oracle Clusterware can manage third party applications in the cluster. Traditionally when we want to run certain scripts or processes within the cluster node and to move that process when...
View ArticleOracle Maximum Availability Architecture Documents
Oracle Database 11g Oracle Database 11g Release 2 High Availability Documentation Oracle Database 11g Release 1 High Availability Documentation Validation Report on Active Data Guard 11g, RMAN Network...
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