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Archive for October, 2009

Sure there is more!  Can you tell me what are the other versions?
I was reading Daniel Feller’s blog post and wanted to better understand the other options he was talking about. In Daniel’s post there is a link to a CIO.COM article, bingo, that’s what I was looking for… This is the far most interesting article regarding [...]

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Part of the overall memory overcommit feature, VMware has this cool feature called transparent memory page sharing (TPS).
When ESX Server detects an extended period of idleness in the system, the VMkernel begins to compare physical memory pages using a hashing algorithm. After encountering two memory pages that appear to have the same contents, a binary compare [...]

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Yes indeed, whilst you convert, you can resize the target disks but hey, as Rick Vanover experimented, it is twice as slow as doing a regular block level copy. Why? because when resizing the target disk, vConverter switches to file level copy and it’s really slow…
Now what’s the trick? The issue with the faster process is [...]

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Trust Me!

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Eric Sloof just published a very interesting article about PowerPath/VE. Following up with one of my previous post about the same subject, I would like to add some info and summarize what does PowerPath/VE compared to ESX’s native multipathing.
First we must understand 2 definitions:
-Multipathing: maintains more than one physical path between the host and the storage [...]

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Introducing Windows Server 2008 R2 is a deep-dive work, that’ll get you up to speed on how R2’s new features and capabilities work, including Hyper-V and RDS virtualization, management, IIS and the new Web application platform and, of course, all the synergistic goodness between Windows Server and Windows 7. Free for a click, so don’t miss [...]

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The company is applying to trademark the term “cloud computing,” according to a document on the US Patent and Trademark Office’s website.
The application has reached the Notice of Allowance phase, where a company receives “a written notification from the USPTO that a specific mark has survived the opposition period … and has consequently been allowed [...]

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Richard Stallman, founder of GNU foundation says it loud and clear, the concept of using web-based programs like Google’s Gmail is “worse than stupidity“.
He says cloud computing was simply a trap aimed at forcing more people to buy into locked, proprietary systems that would cost them more and more over time.
“Somebody is saying this is [...]

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If you are a Microsoft Outlook user, you probably have it open all the time. Now you can have a fully-featured, powerful Twitter client at your fingertips without having to open any other applications. TwInbox seamlessly integrates Twitter into Outlook. It is a perfect Twitter client for any Outlook user, from a Twitter newbie to [...]

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Disable C-State, Why That?

C-State what is this?

C0 – Active: CPU is on. C0 is the operating state.
C1 – Auto Halt: core clock is off. C1 is a state where the processor is not executing instructions, but can return to an executing state essentially instantaneously. Some processors also support an Enhanced C1 state (C1E) for lower power consumption.
C2 – Stop Clock: core and bus clocks [...]

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