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Ranko Mosic

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Amazon Web Services EC2 Cloud is full scale public data center offering services that are in many aspects far ahead of ancient practices present in regular IT environments. Fast provisioning and virtually unlimited scale make old fashioned server procurement and installations look like what they are - past century's practices. This article will not deal with usual objections to cloud computing revolving around change management difficulties ( how to incorporate new environment into the existing IT infrastructure ), security, reliability, performance etc. since we think that all those issues exist in internal, in-house IT departments, perhaps at even larger degree compared to what Amazon EC2 can provide. Cloud will not solve all IT problems but will at least dramatically increase IT productivity while eliminating capex and being able to carefully manage opex. We are... (more)

Which Cloud Service Provider Should Host Your Oracle Databases?

Big shift towards Cloud environment has started. It is now clear that this change is similar in magnitude to the shift from mainframe to client-server computing two decades ago. Amazon Web Services is the pioneer and market leader in Cloud computing space. Other vendors are playing catch up and do not come close to the breadth and scale of AWS offerings. Services and features Amazon provides are quite extensive and cover many of the enterprise-class computing needs. APIs and command line interfaces are available for each service, which makes scripting and automation achievable. ... (more)

Building Enterprise Class Oracle Databases on Amazon Web Services

AWS is built on commodity hardware and it is software virtual machine based. AWS documentation states that: It's inevitable that EC2 instances will fail, and you need to plan for it. As a rule of thumb, you should be a pessimist when designing architecture for the cloud. That means that putting your Oracle databases on AWS cloud should be accompanied with carefully thought out fault tolerance and DR procedures. It is likely that: An AWS instance running Oracle database will fail Some of volumes ( EBS storage ) attached to an instance running Oracle database will fail, i.e., you wi... (more)

Oracle Fusion Applications - Installation and First Impressions (Part 1)

Oracle announced the general availability of Oracle Fusion Applications at Oracle Open World 2011. Oracle Fusion Applications is the next generation Oracle ERP that will gradually replace the existing Oracle E Business Suite, Peoplesoft, JD Edwards, Siebel and other products that Oracle either acquired or developed inhouse. According to Larry Ellison it took Oracle six years to develop and finalize this product. If you look at the Oracle E-Delivery Oracle Fusion Applications download page one of the reasons why it took so long becomes obvious - product comes on 24 DVDs - total si... (more)

Oracle Fusion Applications - Installation and First Impressions (Part 3)

Oracle Fusion Applications is a very complex product that relies on a number of components. One of them is Oracle Fusion Middleware for Oracle Identity Management, which in turn is built using Oracle Forms, Reports, WebLogic, HTTP server and other products. Here we are briefly describing installation of the WebLogic. Oracle Fusion Middleware components are not included in Oracle Fusion Application Media Pack - they need to be downloaded separately. Once you unpack components and start installer you will be presented with the following WebLogic welcome screen: After you provide... (more)