Archive | October, 2011

Why VASA is important to have in your VMware CASA

There are many enhancements and new features that are part of VMware vSphere V5.0 from a storage and I/O perspective (See VMware vSphere v5 and Storage DRS posts). One of those enhancements is a new Application Programming Interface (API) called VASA (vSphere Aware Storage API) which joins other VMware vSphere APIs some of which are shown in table 1. Note that there is a three letter acronym (TLA) shown in Table 1 that is part of the VMware vSphere 5.0 release that can be confused with VASA called VSA (VMware Storage Appliance) however for now, let’s leave VSA for a future discussion.

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Trick or treat: 2011 IT Zombie technology

Zombie technolgies are those that have been declared dead, yet are still routinely used, continue to be enhanced and sold. For users they equate to productivity while for vendors they can mean profitability. Being established, zombie technologies usually do not get or need much marketing promotion thus lack of awarness can lead to perception of being dead.

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Green Cloud Computing. Which way to go?

What is the right cloud architecture to create a green and sustainable cloud? Should we consolidate to huge mega data centers or is there another way to go? The analogy Currently data centers are constructed on the intersection of the electrical energy infrastructure and the network (data) infrastructure. Considering the current electrical energy infrastructure, for […]

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Impact Australian roll out carbon tax on IT

This week the Australian parliament passed the Clean Energy bill, 2011 – the effect of which will be to introduce a carbon tax starting in July of 2012 as explained in the GreenMonk blog . The tax will start at 17 euro per tonne in 2012-2013 and will increase to 24.15 euro in 2013-2014 and 25.40 euro […]

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Clouds, Consistency, and Progress Bars

I have the bad habit of staring at progress bars. I was backing up my Mac laptop to a CloudArray volume.¹ With gigabit ethernet, a full backup to a CloudArray volume takes less time than my local USB drive. Apple’s Time Machine actually only does a full backup once, followed by hourly incrementals that are […]

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