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Getting Started With Docker

In my previous post, I talked about how Docker fits in with workload virtualisation.  In this post, I’ll look at getting started with Docker itself. Installation In this post I’ll look at the basics of installing Docker and creating a container.  I’ll reference the CentOS distribution initially, with more added as I validate and test… Read more »

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Cloud as a Tier of Storage

In my last post I talked about storage tiering and how it has evolved with the advent of new technology and of course the arrival of flash storage to mainstream deployments.  One of the comments on that post indicated that I’d excluded Cloud as a tier of storage.  Now, there are two ways to look… Read more »

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Understanding Tiered Storage

This week I noticed a conversation taking place on Twitter discussing the subject of tiered storage.  The understanding of why tiered storage developed and why it is used today seems to be somewhat misunderstood, so perhaps it’s time for an update on this technology. Background Given infinite resources and infinite budget, all data would be… Read more »

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Using SSD for Write-Intensive Workloads

Yesterday I appeared as a guest speaker on a BrightTalk Webinar covering storage for Big Data.  One subject raised was the suitability of flash (SSD) over hard drives for write-intensive workloads.  The comments from another speaker implied that SSDs aren’t good with write intensive workloads as this wears the devices out too quickly.  Hard drives… Read more »

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Containers vs Virtualisation

With the announcement of the release of Docker 1.0, Linux Containers are one of IT’s current hot topics.  How does Docker and Containers in general fit into the world of virtualisation and is the technology simply riding a hype curve? Background The idea of containers isn’t a new one.  Sun Microsystems’ Solaris operating system introduced… Read more »