Category Archives: Uncategorized

Letter To Santa

Dear Santa, I’ve been terrific at virtualising low hanging fruit over the past years. I have reduced costs while increasing availability, reliability and performance for my applications. I’m a prodigy, I’m a super-hero! Now my CIO asked me to realize the … Continue reading

Posted in Bull, ESXi, Monster VM, Performance, Uncategorized, VMware, vSphere | Tagged , , , , | Leave a comment

Bull’s Implementation of a Glued Architecture

In my two previous posts, I’ve been introducing the concept of ‘glueless’ and ‘glued’ as the two main scale-up architectures. You can read them here and here. Eventually you may also read this post in the series talking about the … Continue reading

Posted in Bull, Monster VM, Performance, Uncategorized, vSphere | Tagged , , , , , | 1 Comment

Two Main Scale-Up Server Architectures – Part 1

To address the increasingly demanding workloads, processor sockets are added in a seamless way within a single server. You’re scaling up. Sockets are connected together as well as the memory and IO boards and applications can benefit from more compute … Continue reading

Posted in Bull, ESXi, Monster VM, Performance, Uncategorized, vSphere | 3 Comments

A Year Of Blogging In Summary And Season’s Greetings

2011 comes to an end and it’s time to do some introspection of this year’s blogging experience! That sounds familiar 🙂 In May 2011 I joined VMware in a permanent position. I joined a top notch team of Consultants. La crème … Continue reading

Posted in Uncategorized | Leave a comment

DIMMs And The Intel Nehalem Memory Architecture Connection

In this post I want to focus only on the intrinsic connection that exists between DIMMs and the Intel Nehalem regarding primarily the memory architecture. I was reading some good papers on this topic and I discovered some interesting details that I … Continue reading

Posted in Uncategorized | 15 Comments

Enhanced Storage vMotion in vSphere 5 with Mirror Mode

This is a short post for those who are interested in deep technical details of one of the master architecture pieces introduced in the Enhanced Storage vMotion available in vSphere 5 Ent and Ent+ called Mirror Mode aka IO Mirroring. You … Continue reading

Posted in Uncategorized | 3 Comments

It All Started With This Question…

…I shoot on Twitter: Can anyone cite me an Active/Active storage array that supports ALUA? An important information is missing from my question. Precisely I’m talking about symmetric storage arrays. So let me rephrase my question to: Can anyone cite me … Continue reading

Posted in Uncategorized | 13 Comments