Hypervisors - Type 1 / Type 2

There is a lot of talk about the Cloud, but what really makes the whole cloud possible is the hypervisor. The hypervisor is what separates the "workload" from physical hardware. This is what allows us to move the workload around, from hardware to hardware. The hypervisor has been around since 1965 with IBM, but only recently has the adoption become exponential. And with the visibility of the Cloud and discussions about Virtual Desktop Initiatives/Infrastructure (VDI) there is now more emphasis on the hypervisor, and the "two types."

Optimizing Windows 2008 Server for Virtualization

I've written about optimizing Windows 7 and XP for VDI. Recently, I've been getting some questions about optimizing Windows Server. Since Windows 2008 R2 is the most current OS, this is what I'm going to focus on. Alot of the optimizations from Windows 7 can be used with 2008, these are more specific to the "server" OS.

VCSA - vCenter Server Appliance

I have to admit that I was very excited to hear the announcement of the VCSA. I've been working with this for a few months, and as a consultant I'm still excited about the VCSA, but not in an enterprise. The VCSA is great for getting your feet wet, doing proof of concepts and lab environments. It has several limitations that make it less than ideal for anything else:

VMA v. Powershell

With the deployment of ESX 5 comes the loss of the the ESX console. it actually happened with the advent of ESXi, but now with 5 there isn't an option to have a console. VMware addressed this with the creation of the Virtual Management Assistant (VMA). Powershell is Microsoft's answer to easier administration via CLI (Command Line Interface).

Setting the Storage Path Policy

This article is pretty much a reminder for me, and I hope useful for other people. I am always setting the preferred storage path from the default to Round Robin. I do this in two ways: the first is to log into the ESX console, or the "hidden" ESXi console and set the default to round robin; the second is to use a powershell script to make sure that all of the datastores are set to round robin.

Aligning VMFS and Linux using fdisk

The alignment procedure for VMFS and Linux is the same as any other Linux file system. Use fdisk’s expert mode to create a new partition with an aligned starting block and then format the file system. You should use this procedure for not only VMFS, but for your Linux virtual machines as well (changing the type in step 7 "fb" to 83.)


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