When checking a customers environment, I discovered a strange GUI issue in vCenter regarding CPU shares for a VM. I usually use a PowerShell script to check if the customer has set any limits, reservations or changed the default shares settings. With this customer I received a number of warnings about shares. I received the […]
memory
Large Pages, Transparent Page Sharing and how they influence the consolidation ratio
Everybody talks about the benefits of Transparent Page Sharing in vSphere environments and how they reduce the amount of memory needed in your vSphere host. Thanks to Transparent Page Sharing memory overcommit in a production environment has become mainstream. Not long ago I’ve written these two posts: – “Memory overcommit in production” http://www.gabesvirtualworld.com/memory-overcommit-in-production-yes-yes-yes/ which explains […]
Memory management and compression in vSphere 4.1
With vSphere 4.1, VMware released a great new feature called Memory compression. At first, after reading the release notes I thought memory compression was just one step before swapping to disk would occur. However, after reading the whitepaper “Understanding Memory Resource Management in VMware ESX 4” I learned some more details I want to share […]
VMware vSphere 4.1 released – What’s new?
As many of you expected, the new VMware vSphere version is called VMware vSphere 4.1. The hints have been clear these past few weeks and today it became official. Today was the official release and we can finally start blogging about VMware vSphere’s latest features. In the next few days I will post a number […]
News from VMware's Partner Exchange Keynote
Twitter is a great tool if you’re not in Vegas and still want to know what happened at VMware’s Partner Exchange. All the info posted below is info I picked up from twitter, so be aware that not everything is double checked !!! Please do use the comments section to correct or add info :-)