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Interpreting Performance Metrics in PernixData FVP
In the simplest of terms, performance charts and graphs are nothing more than lines with pretty colors. They exist to provide insight and enable smart decision making. Yet, accurate interpretation is...
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Dogs, Rush hour traffic, and the history of storage I/O benchmarking–Part 1
Evaluating performance of x86 based servers and workstations has had a history of deficiency. Twenty years ago, Administrators who tested system performance usually did little more than run a simple...
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Dogs, Rush hour traffic, and the history of storage I/O benchmarking–Part 2
Part one of "History of storage I/O Benchmarking" attempted to demonstrate how Synthetic Benchmarks on their own simply cannot generate or measure storage performance in a meaningful way. Emulating...
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Understanding PernixData FVP’s clustered read caching functionality
When PernixData debuted FVP back in August 2013, for me there was one innovation in particular that stood out above the rest. The ability to accelerate writes (known as “Write Back” caching) on the...
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A closer look at the new UI for PernixData FVP, and beyond
In many ways, making a good User Interface (UI) seems like a simple task. As evident by so many software makers over the years, it is anything but simple. A good UI looks elegant to the eye, and will...
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My vSphere Home Lab. 2016 edition
Here we go again. I had no intention of writing a follow-up to my "Home Lab 2015 edition" post last year, as I didn’t foresee any changes to the lab in the coming year that would be interesting enough...
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Understanding block sizes in a virtualized environment
Cracking the mysteries of the Data Center is a bit like Space exploration. You think you understand what everything is, and how it all works together, but struggle to understand where fact and...
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Viewing the impact of block sizes with PernixData Architect
In the post Understanding block sizes in a virtualized environment, I describe what block sizes are as they relate to storage I/O, and how it became one of the most overlooked metrics of virtualized...
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How CPU related metrics in vSphere may be misinterpreted
Most Data Center Administrators are accustomed to looking for high CPU utilization rates on VMs, and the hosts in which they reside. This shouldn’t be a big surprise. After all, vCenter, and other...
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Your Intel NUC Home Lab questions answered
With my recent post on what’s currently running in my vSphere Home Lab, I received a number of questions about one particular part of the lab; that being my Management Cluster built with Intel NUCs. So...
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