I guess many people have been waiting on official statements around this. Although this was posted a couple of days ago I wanted to make sure everyone has seen it as it could be crucial for your Design / Environment. Source As of today, the following support scenarios are being updated, for Exchange 2010 SP1, and later: The Unified Messaging [...]

I was reading Richard Garsthagen’s article about anti-virus solutions yesterday and decided that this deserved a little bit of extra attention as it is an often overlooked area when it comes to architecture and impact. As Richard points out the difference in terms of load that it generates and overhead is enormous. All of these combined will most definitely result [...]

I was reading Scott’s article about using dedicate clusters for management applications. Which was quickly followed by a bunch of quotes turned into an article by Beth P. from Techtarget. Scott mentions that he had posed the original question on twitter if people were doing dedicated management clusters and if so why. As he mentioned only a few responded and [...]

As part of my role I very often review design documents that other consultants/architect have written, and not only those of VMware employees but also from external people. On top of that of course I also see a lot of VCDX application packages pass by. Something struck me the other day when I was doing the 3rd review in just [...]

After attending Irfan Ahmad’s session on Storage IO Control at VMworld I had the pleasure to sit down with Irfan and discuss SIOC. Irfan was so kind to review my SIOC articles(1, 2) and we discussed a couple of other things as well. The discussion and the Storage IO Control session contained some real gems and before my brain resets [...]

After my initial post about Storage IO Control I received a whole bunch of questions. Instead of replying via the commenting system I decided to add them to a blog post as it would be useful for everyone to read this. Now I figured this stuff out be reading the PARDA whitepaper 6 times and by going through the log [...]

I was preparing a post on Storage I/O Control (SIOC) when I noticed this article by Alex Bakman. Alex managed to capture the essence of SIOC in just two sentences. Without setting the shares you can simply enable Storage I/O controls on each datastore. This will prevent any one VM from monopolizing the datatore by leveling out all requests for I/O that [...]