VMware

VMware vSphere 5 Clustering Technical Deepdive

As of today the paperback versions of the VMware vSphere 5 Clustering Technical Deepdive is available at Amazon. We took the...
frankdenneman
2 min read

Full color version of the new book?

If you are following us on twitter you may have seen some recent tweets regarding our forthcoming book. Duncan (@duncanyb) and...
frankdenneman
33 sec read

Setting Correct Percentage of Cluster Resources Reserved

vSphere introduced the HA admission control policy “Percentage of Cluster Resources Reserved”. This policy allows the user to specify a percentage...
frankdenneman
3 min read

'Draft' of the vSphere 4.1 Hardening guide released

The ‘Draft’ of the vSphere 4.1 Hardening guide has been released. This draft will remain posted for comments until approximately the...
frankdenneman
9 sec read

AMD Magny-Cours and ESX

AMD’s current flagship model is the 12-core 6100 Opteron code name Magny-Cours. Its architecture is quite interesting to say at least....
frankdenneman
1 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

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...
frankdenneman
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...
frankdenneman
24 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...
frankdenneman
5 min read