Opinion Piece: The truth about Converged Systems

Disclaimer: I work for Hitachi Data Systems. This post is not authorised or approved by my company and is based on my personal opinions. I hope you read on. A couple of weeks back Pure Storage announced their converged stack called the Flashstack. So now Hitachi has UCP Director, VCE has Vblock, Netapp has Flexpod. Now Pure is in the Club. A Personal Experience of a converged deployment Last year I worked Read More …

vCenter 5.1 SSO and Linked Mode …. recap …

I was talking to a customer yesterday about a storage solution and we strayed into a discussion about the vSphere Web Client, and compatibility with this, that, and the other (VUM and SRM to be specific). While we were at it, the subject of Single Sign-on (SSO) on vSphere 5.1 arose again. SSO is a difficult subject for many people still. Configuring it is tricky for some, and this is Read More …

Managing your Virtual DataCenter – 4 Key Strategies

While recently studying for VMware Advanced Professional Datacenter Design exam, I had the chance to study documents in the VCAP-DCD blueprint. Some of these documents provide insights into effective strategies to use before, during, and after deploying a Virtual Infrastructure. In terms of the “after” piece, one document caught my eye. It is the Glasshouse Whitepaper entitled “Four Keys to Managing a VMware environment”. You can find the document on the community Read More …

Classification and Detection of Zombie Virtual Machines … Which tools should I use?

In this post I want to discuss what makes an Orphan or a Zombie in a VMware environment. I also want to introduce some of my favourite tools for detecting these malodorous fiendish creatures which can wreak havoc within your virtual world. From time to time you might come across Orphaned or Zombie virtual machine files that you need to deal with before being able to complete a task. To Read More …

Thick versus Thin on VMware – a subject with a deep impact

I have been working lately with vmware & storage in environments where presentation of storage at different layers within the stack and the ability to report and understand usage and over-provisioning is a difficult challenge. In Vsphere 4.X this could be a ticking time bomb – at least that’s been my recent experience – so I’m blogging about how this can adversely impact space utilisation in an environment. It’s neither the fault Read More …