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data guard

Getting the most out of your server resources

Bart Sjerps 2013-12-05 Oracle, Performance, Virtualization 12 Comments

As an advocate on database virtualization, I often challenge customers to consider if they are using their resources in an optimal way. And so I usually claim, often in front of a skeptical audience, that physically deployed servers hardly ever…

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Oracle snapshots and clones with ZFS

Bart Sjerps 2012-08-29 FAQ, Oracle, Performance 6 Comments

Another Frequently Asked Question: Is there any disadvantage for a customer in using Oracle/SUN ZFS appliances to create database/application snapshots in comparison with EMC’s cloning/snapshot offerings? Oracle marketing is pushing materials where they promote the ZFS storage appliance as the…

 2,087 total views

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Data Guard protecting from EMC block corruptions?

Bart Sjerps 2012-04-16 Oracle 20 Comments

Today I was giving a training to fellow EMC colleagues on some Oracle fundamentals. One of the things that was mentioned is something I have heard several times before: Oracle is claiming that EMC SRDF (a data mirroring function from…

 3,107 total views

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POC: Piece Of Cake or Point Of Contradiction?

Bart Sjerps 2011-10-13 General, Oracle, Performance 5 Comments

Every now and then I get involved in Customer Proof of Concepts. A Proof of Concept (POC) is, according to Wikipedia, something like a demonstration of feasibility of a certain idea, concept or theory.  800 total views

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Data Guard or Storage based replication?

Bart Sjerps 2011-09-28 Oracle 6 Comments

A comparison between Oracle (Active) Data Guard and EMC replication for disaster recovery purposes This is an article I wrote a while ago for customers’ Database Administrators (DBAs) and application managers, that helps them in selecting the right Disaster Recovery…

 3,533 total views

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