Recent Posts

The vSAN Witness Appliance in vCloud Air: Part 2 (OVA Upload)

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In Part 1, a quick overview covered some of the basics about running a vSAN Witness Appliance in vCloud Air. The process isn’t extremely difficult, but there are some considerations to keep in mind. This post will focus on getting the vSAN Witness Appliance into vCloud Air for deployment. The vSAN Witness Appliance OVA This Read more...

The vSAN Witness Appliance in vCloud Air: Part 1 (Overview)

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One of the most common questions I am asked pertaining to vSAN 2 Node and Stretched Clusters configurations, is “Can I run a vSAN Witness Appliance in vCloud Air?” Why wouldn’t someone want to run the vSAN Witness Appliance in vCloud Air? It is a great use case for a virtual machine that needs to run in a Read more...

vSAN 2 Node with Direct Connect

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Traditional vSAN 2 Node configurations require connectivity between the vSAN tagged VMkernel ports, and the vSAN Witness Appliance’s VSAN tagged VMkernel port. Also remember that vSAN traffic will use the default gateway of the Management VMkernel interface to attempt to reach the Witness, unless additional networking is put in place, such as advanced switch configuration or possibly Read more...

VSAN Management API Cookbook for Python

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Virtual SAN 6.2 has been out for a few months now. More and more customers are adopting Virtual SAN in many use cases including Tier 1 and business critical applications. Virtual SAN leverages Storage Policy Based Management to individually tailor a virtual machine’s protection and performance profile. This lessens the burden of storage provisioning operations on administrators. Deploying Virtual Read more...

Read Locality in Hybrid 2 Node vSAN

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A question was asked the other day about the performance behavior of a virtual machine after a vMotion on a 2 Node vSAN configuration. The question basically was: “Should there be a degradation in read performance after a virtual machine is vMotioned to the alternate host in a Hybrid 2 Node vSAN configuration?” During normal Read more...

All-Flash Virtual SAN for VDI with Brocade vTM

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VMware, Brocade, and Broadcom have updated the previously published reference architecture to showcase the optimal All-Flash Virtual SAN for VDI solution using Brocade Virtual Traffic Manager. – Image courtesy of Brocade Cost-Effective Performance and High Availability In this reference architecture, we demonstrate how to design an ultra-fast, cost-effective VDI infrastructure using VMware Virtual SAN combined Read more...

Virtual SAN 6.2 Space Efficiency Technologies White Paper

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We’re happy to announce the Virtual SAN 6.2 Space Efficiency Technologies White Paper. I was fortunate to work on this along with Jeff Hunter and John Nicholson on this document. We cover some of the new additions to Virtual SAN in version 6.2 specifically around space efficiency. A couple of the new features that we Read more...

Virtual SAN 6.2 & PowerCLI – Sparse Virtual Swap files

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One of the Space Efficiency features of Virtual SAN 6.2 that is available for both All-Flash and Hybrid configurations, is the introduction of Sparse Virtual Swap files. Swap files on Virtual SAN by default, are created with the .vswp 100% reserved. In a thin provisioned/guaranteed capacity perspective, it could be said that they are effectively Read more...

Virtual SAN, SPBM Compliance, & PowerCLI

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I very often tear down/distress my “lab” environment while working on docs/testing code/trying to replicate issues/etc. I was trying to recreate an issue the other day and decided to replace my vCenter Appliance. I deleted the VCSA, but left some of the other VMs, as they had some services I needed like DNS. After deploying Read more...