frankdenneman

  Frank Denneman is the Machine Learning Chief Technologist at VMware. He is an author of the vSphere host and clustering deep dive series, as well as podcast host for the Unexplored Territory podcast. You can follow him on Twitter @frankdenneman

     



440 Stories by frankdenneman

Node Interleaving: Enable or Disable?

There seems to be a lot of confusion about this BIOS setting, I receive lots of questions on whether to enable or disable Node...
1 min read

Impact of oversized virtual machines part 2

In part 1 of the series of post on the impact of oversized virtual machines NUMA architecture, memory overhead reservation and share levels are...
2 min read

Impact of oversized virtual machines part 1

Recently we had an internal discussion about the overhead an oversized virtual machine generates on the virtual infrastructure. An oversized virtual machine is a...
2 min read

Enhanced vMotion Compatibility

Enhanced vMotion Compatibility (EVC) is available for a while now, but it seems to be slowly adopted. Recently VMguru.nl featured an article “Challenge: vCenter,...
2 min read

European distributor for HA and DRS book

As of today, our book “vSphere 4.1 HA and DRS Technical Deepdive” can be ordered via ComputerCollectief. Computercollectief is a dutch computer book and...
14 sec read

Dutch vBeers

Simon Long of The SLOG is introducing vBeers to Holland. I’ve copied the text from his vBeers blog article. Every month Simon Seagrave and...
54 sec read

HA and DRS Technical deepdive available

After spending almost a year on writing, drawing and editing, the moment Duncan and I waited for finally arrived… Our new book, the vSphere...
1 min read

Should or Must VM-Host affinity rules?

VMware vSphere 4.1 introduces a new affinity rule, called “Virtual Machines to Hosts” (VM-Host), which I described in the article “VM to Host affinity...
2 min read

Disallowing multiple vm console sessions

Currently I’m involved in a high-secure virtual infrastructure design and we are required to reduce the number of entry points to the virtual infrastructure....
24 sec read

Disable ballooning?

Recently, Paul Meehan submitted this question via a comment on the “Memory reclamation, when and how” article: Hi, we are currently considering virtualising some...
4 min read