frankdenneman

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

     



441 Stories by frankdenneman

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

The impact of QoS network traffic on VM performance

A lot of interesting material is written about configuring Quality of Service (QoS) on 10GB (converged) networks in Virtual Infrastructures. With the release of...
2 min read

vSwitch Failback and High Availability

One setting most admins get caught off-guard is vSwitch Failback setting in combination with HA. If the management network vSwitch is configured with Active/Standby...
1 min read

Best practices

Last week at VMworld and the VCDX defense panels I heard the term “Best Practices” a lot. The term best practice makes me feel...
34 sec read

VMworld vCloud Director Labs

Yesterday the VMworld Labs opened up to the public and if you want to take vCloud Director for a spin I’m recommending doing the...
24 sec read

NUMA, Hyperthreading and NUMA.PreferHT

I received a lot of questions about Hyperthreading and NUMA in ESX 4.1 after writing the ESX 4.1 NUMA scheduling article. A common misconception...
3 min read

VM settings: Prefer Partially Automated over Disabled

Due to requirements or constraints it might be necessary to exclude a virtual machine from automatic migration and stop it from moving around by...
51 sec read

Voted number 6 of top 25 VMware blogs, WOW!

Eric Siebert of vSphere-land, together with David Davis, Simon Seagrave and John Troyer announced the results of the Top 25 blogs election this week....
26 sec read

Provider vDC: cluster or resource pool?

Duncan’s article on vCloud Allocation models states that: a provider vDC can be a VMware vSphere Cluster or a Resource Pool … Although vCloud...
5 min read

Resource pools and simultaneous vMotions

Many organizations have the bad habit to use resource pools to create a folder structure in the host and cluster view of vCenter. Virtual...
1 min read