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Articles for the keywords: Roman Ivanov
09 Sep 2010 Script to Check CPU Cores Ownership [23439]
For T-series Servers Running Oracle VM Server for SPARC

ISV Engineer Roman Ivanov offers a script specific to T-series servers (T2 and T2 Plus processors) running Oracle VM Server for SPARC (formerly Sun Logical Domains). The script verifies if any CPU core is shared between two or more logical domains. The relevancy is if CPU threads from the same CPU core are assigned to different logical domains, then there can be a reduction in efficiency of these CPU threads. Ivanov explains why this occurs and how his script works.
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02 Jul 2010 "Increasing Application Availability Using Oracle VM Server for SPARC" [23254]
Using Warm Migration Lessens Impact on Application Downtime

"Increasing Application Availability Using Oracle VM Server for SPARC: An Oracle Database Example," an Oracle white paper authored by Organ Kimchi and Roman Ivanov, provides technical insight about increasing application availability using Oracle VM Server for SPARC technologies (previously called Sun Logical Domains or LDoms). With both an example and various scenarios, the paper describes how to take advantage of the domain mobility capability (also called “warm migration”) in Oracle VM Server for SPARC version 1.3 to increase the availability of an Oracle Database 10g Release 2 single-instance database.
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19 Jun 2009 Technology Behind Running Oracle RAC on Sun LDoms [21956]
Sun BluePrint: "Running Oracle Real Application Clusters (RAC) on Sun Logical Domains"

Read this Sun BluePrints for running Oracle Real Application Clusters (RAC) on servers set up with Sun Logical Domains (LDoms). Learn about implementing a solution that runs in both development and production environments. Imagine virtualization technology available that comes with Sun LDoms that allows the creation of multiple virtual systems. However, these LDoms run on a single physical system. With this technology, users can set up the fine-grained assignment of CPU and memory resources to an Oracle RAC workload.
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30 Mar 2009 Oracle ASM and Solaris [21454]
Sun Blogger Offers Configuration Techniques

Configuring Oracle in Solaris is the subject of the blog series series by Roman Ivanov which details the following topics:

26 Mar 2009 Sun's LDoms Support Oracle 10g [21419]
For Both Single and RAC Implementations

Sun's Logical Domain (LDoms) features now support and certify Oracle 10g for both single instances and Real Application Cluster (RAC) implementations. "With LDoms virtualization technology," said Roman Ivanov, "administrators can achieve great level of resource management and security level at the same time having higher utilization of servers."
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