The funny thing about time traveling …

… is that it will invalidate all patents as “prior art”. But what you just need in this case is not pure time travel, but only the ability to send information back in time. Which brings the interesting question – assuming that there is a physical way to send information back in time, how this…

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How you can uniquely identify a LUN in a Storage Area Network

A SAN is a complex animal From the first minute you try to understand it, you might be overwhelmed by the cascade of new things: fibre switches, multi-path software, redundant controllers, disk enclosures etc. But the idea is pretty simple. In a few words, the primary role of a SAN is to expose virtual disk units (called…

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The VSS (Volume Shadow Copy) SDK is available for download

This is the link:http://www.microsoft.com/downloads/details.aspx?FamilyID=0B4F56E4-0CCC-4626-826A-ED2C4C95C871&displaylang=en You can use this SDK to develop VSS requestors, writers and providers. For example, you can write code that define and use shadow copies on Windows XP and Server 2003. Note that this SDK contains only the headers/libraries for developing VSS applications, plus sample and test code. It does not contain the VSS documentation,…

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How would you administer millions of machines?

With the arrival of “Internet search engines” like Google, Yahoo or MSN, it is now a common practice to administer a pretty large cluster of machines. It is not uncommon to find these days clusters that comprise hundreds of thousands of computers. So it is not that hard to make a step from here to, say, clusters…

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Building a bridge in France versus US

Recently I read an article about the newest bridge in Millau, France. Everything about this bridge is out of scale. The highest point is 1,125ft (343m). That’s right – its pillars are taller than the Eiffel tower! And the highway is suspended at max 885ft (270m) above the ground. The total bridge length is around 1.6 miles (2.5 Km)….

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Keeping a cool head about the Open Source pixie dust…

I just read an interesting proposal from Robert Scoble to “open source” WMP along with all sorts of funny comments that followed. Here is the most juicy part, I think: Hi Bill. I’ve been thinking about how to make Windows Media cool. You know, cooler than wearing white headphone cords. Open source the product development. Yeah, you’re…

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Useful copy/paste trick in CMD.EXE

Many people have trouble doing copy/paste in CMD.EXE. Indeed, there are no keyboard shortucts for this thing, and the selection of the text to copy can only be done through the mouse. You have to go to the system menu, select “Copy”, then do your selection, press Enter, go again to the system menu, press…

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Don’t disable system services! (unless you REALLY know what you are doing)

(1) The problem While searching the newsgroups I found out an interesting issue. It seems that many people are manually disabling some System Services, like “Volume Shadow Copy” (VSS) or “MS Software Shadow Copy Provider” (SWPRV). While this seems to be an innocent action, it will cause later subtle failures in other OS components, like NTBackup or Shadow…

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Who hogs down my CPU?

I always wanted to find a simple way to figure out the answer for this puzzling question. Usually I ended up opening Task Manager to find out what process eats all my CPU resources. But this doesn’t work in most of the cases. For example, what about the case when the “System process” (i.e. a kernel-mode component)…

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Book: Mind hacks

This is one of the weirdest books… http://www.oreilly.com/catalog/mindhks/  A collection of sample hacks is also presented online: Hack 11: Why People Don’t Work Like Elevator Buttons (PDF) Hack 16: Map Your Blind Spot (PDF) Hack 17: Glimpse the Gaps in Your Vision (PDF) Hack 24: Create Illusionary Depth with Sunglasses (PDF) Hack 33: Neural Noise Isn’t a Bug; It’s a Feature (PDF) Hack…

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