VMware

Impact of oversized virtual machines part 3

In part 1 of the series of post on the impact of oversized virtual machines NUMA architecture, memory overhead reservation and...
frankdenneman
4 min read

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...
frankdenneman
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...
frankdenneman
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...
frankdenneman
2 min 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...
frankdenneman
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...
frankdenneman
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...
frankdenneman
1 min 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....
frankdenneman
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...
frankdenneman
51 sec 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...
frankdenneman
1 min read