Category: VCDX

VCDX- You cannot abstract your way out of things indefinitely

The amount of abstraction in IT is amazing. Every level in the software and hardware stack attempts to abstract operations and details. And the industry is craving for more. Look at the impact “All Things Software Defined” has on todays datacenter. It touches almost every aspect, from design to operations....

VCDX Defence: Are you planning to use a fictitious design?

This week the following tweet caught my eye: “@wonder_nerd Fictitious designs in a #VCDX defense have a failure rate of 90%. #VMwarePEX” < interesting statistic — Mark Snook (@VirtualSnook) February 8, 2014 Apparently Marc Brunstad (VCDX program manager) stated this fact during the PEX VCDX workshop. But what does this...

VCDX defend clinic: Choosing between Multi-NIC vMotion and LBT

A new round of VCDX defenses will kickoff soon and I want to wish everyone that participates in the panel session good luck. Usually when VCDX panels are near, I receive questions on how to prepare for a panel. And one recommendation I usually provide is “Know why you used...

VCDX tip: The application form

Last week I reviewed some recently submitted designs and it appears that the requirements stated in the application form are too ambiguous. During this year I’ve seen many application forms and the same error are made by many candidates. Let’s go over the sections which contain the most errors and...

VCDX tip: VMtools increases TimeOutValue

This is just a small heads-up post for all the VCDX candidates. Almost every VCDX application I read mentions the fact that they needed to increase the Disk TimeOutValue (HKEY_LOCAL_MACHINE/System/CurrentControlSet/Services/Disk) by to 60 seconds on Windows machines. The truth is that the VMware Tools installation (ESX version 3.0.2 and up)...