This question has come up several times over the last couple of weeks so I figured it was time to dedicate an article to it. People have always been used to monitoring memory usage in a specific way. This always worked fine until ESX(i) 3.5 introduced the aggressive usage of Large Pages. In the 3.5 timeframe that only worked for [...]
As I have been posting more regularly on the ESXi Chronicles blog I figured it made sense to make people aware of the series of articles I produced like I did last time. These are the articles I recently published, check them out as I feel they are worth reading. Also note that many of the “Ops Changes” articles will [...]
It is finally released… PXE Manager for vCenter. My former Cloud colleague Max Daneri of VMTS fame has worked very very hard on this and actually demoed it at VMworld in 2009. I know Max is already working on the next release which of course will work with the upcoming vSphere version as well. So if you’ve tested it and [...]
Yesterday I was answering some question in the VMTN Forums when I noticed that someone referred to my article about Hybrid vs full Distributed vSwitch Architectures. This article is almost two years old and definitely in desperate need of a revision. Back in 2009 when Distributed vSwitches where just introduced my conclusion in this discussion was: If vCenter fails there’s [...]
I just wanted to point to this article on the ESXi Chronicles blog about a free training and free book on ESXi. I actually wrote an article about the book a while back and it is most definitely worth the effort of doing the training and survey! You might wonder how much a person can write about ESXi, but Dave [...]
I was reading up on vMotion today and stumbled on this excellent article by my colleague Kyle Gleed and noticed something that hardly anyone has blogged about…. Quick Resume. Quick Resume is a feature that allows you to vMotion a virtual machine which has a high memory page change rate. Basically when the change rate of your memory pages exceeds [...]
I noticed a discussion on an internal mailinglist which mentioned the advanced setting “Disk.UseDeviceReset” as it is mentioned in the FC SAN guide. The myth that you need to set this setting to “0 “in order to allow for Disk.UseLunReset to function properly has been floating around too long. Lets discuss first what this options does. In short, when an [...]
