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VMware's VAssert: Record and Replay in your Data Center..someday you will!

Getting up and talking about "alive and breathing" data center is not just a dream but is something a CIO so desperately needs for his business. When VMware first debuted or spoke about the record and replay, I though to myself: "Hmmm...the agile data center is not far away!"

These tools will make us do a lot of root cause analysis and eventually there won't be a hiaat between the business and the IT folks. It will all be one. That is what I have been calling about the great convergence of the business and the often misunderstood and even mischevious IT domains.


Anyways check this out:

VAssert is a new API, debuting in Workstation 6.5, that uses the Record and Replay functionality that we've been talking about for some time now. As you can tell by its name, VAssert is a relative of your standing programming ASSERT debugging tool, but by delaying assert-checking until later when the exact machine instructions are replayed, it can be very fast. That's some virtualization Deep Magic.

VMware engineers Weiming Zeng and Min Xu give us this guest post on demonstrating VAssert within Apache, and include the Apache patches they used so you can give this a try at home.

For now read the rest here

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A Collection of Threnodies : Part 1

Whale Fall
-----------------

Dress me up in my new threads
clasp my greasy palms
grease my hair
I'm ready for the fall


Watch at all the decadence
watching the avalanche
I'm slipping down
losing my buoyancy


What's become of us
where have we come
this far, this close
close to the doors


I hear them, sublimal chants
I'm on the run
I race through the human sea
I am the king!


I'm the slave
to my own undoings
I'm the jester in my courtyard
We jest as we run


We're strolling on that thin rope
we grope as we rope
we're true heros
we're the survivors


we're the scavengers
we're the friends
we're the lovers
we're the unbred


Soon awaiting the fall
we're lurking on us
we're osedaxing us
we're soon going to be done
we'll soon be arrested




*osedax(bone devourer, newly discovered marine genus) feeds on a fallen(sunken) whale carcass(which is also called a whale fall). Read more here