First off, my apologies for delaying the last part of this four part blog for so long. I have been building a fully automated application platform as a service product for EMC IT to allow us to deploy entire infrastructure stacks in minutes – all fully wired, protected and monitored, but that topic is for another blog.
In my last post,Best Practices For Virtualizing Your Oracle Database With VMware, the best practices were all about the virtual machine itself. This post will focus on VMware’s virtual storage layer, called a datastore. A datastore is storage mapped to the physical ESX servers that a VM’s luns, or disks, are provisioned onto. This is a critical component of any virtual database deployment as it is where the database files reside. It is also a silent killer of performance because there are no metrics that will tell you that you have a problem, just unexplained high IO latencies.
IT Proven allows you to leverage Dell IT’s first-hand knowledge and best practices to accelerate your own IT transformation journeys, transforming operations and delivering IT as a Service through the power of cloud computing. IT Proven highlights how Dell IT transformed into an agile, innovative, and competitive service provider.
Virtualizing your Oracle database infrastructure without benchmarking and following best practices is a bit like trying to find your way in a strange big city without a street map. You may get where you need to go eventually, but it will be a long and difficult journey.
Fortunately, we at EMC are in the midst of that virtualization journey and have put together some benchmarks and best practices to help guide your organization’s path to running Oracle database on virtualized infrastructure. It is no more an uncharted territory.
In this blog (the second in a series on virtualizing Oracle), I will give you some insights into EMC’s journey thus far and the benchmarking process we used to set the stage for our virtual deployment best practices. I will get into those best practices in detail in the next blog in this series. [Read the first blog in the series—Running Oracle on Virtual Infrastructure Really Pays Off.]
Chances are your organization has begun virtualizing its application infrastructure (App tier) to gain revolutionary efficiencies and cost savings this transformation offers. Less common, but every bit as groundbreaking – for cost savings as well as plenty of other benefits – is virtualizing your organization’s Oracle database infrastructure.
To visualize the gains of virtualizing Oracle, picture the difference between a parking lot and a parking garage. The parking lot has a finite number of spaces in a given area of land. The parking garage, however, adds more levels to that same area, letting you double or triple the number of cars you can park within the same patch of ground.
Now consider a typical physical database server. It uses a given amount of power for operation as well as for cooling, yet most servers are only 10 to 20 percent utilized. The reality is that most workloads don’t require the full power of today’s servers but database administrators prefer to maintain excess server capacity rather than risk poor performance, due to insufficient compute power.
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