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

Cyber Monday deal!

We are long time fascinated by the whole Black Friday and Cyber Monday craze in the USA. Unfortunately we do not celebrate Thanksgiving in...
1 min read

New job role

The last two years I enjoyed working as an architect within the PSO organization of VMware, designing and reviewing the most interesting virtual infrastructures...
28 sec read

FDM in mixed ESX and vSphere clusters

Last couple of weeks I’ve been receiving questions about vSphere HA FDM agent in a mixed cluster. When upgrading vCenter to 5.0, each HA...
48 sec read

Partially connected datastore clusters

The first article in the series about architecture and design decisions series focuses on the connectivity of the datastores within the datastore cluster. Connectivity...
3 min read

Architecture and design of Datastore clusters

Storage DRS extends the DRS feature set to the storage space. The primary element used by SDRS is a datastore cluster. Introducing the concept...
1 min read

SDRS out of space avoidance

During VMworld I noticed a lot of focus of the attendees was on the IO load balancing features of Storage DRS (SDRS), however SDRS...
4 min read

Mem.MinFreePct sliding scale function

One of the cool “under the hood” improvements vSphere 5 offers is the sliding scale function of the Mem.MinFreePct. Before diving into the sliding...
2 min read

Upgrading VMFS datastores and SDRS

Among many new cool features introduced by vSphere 5 is the new VMFS file system for block storage. Although vSphere 5 can use VMFS-3,...
2 min read

Multi-NIC vMotion support in vSphere 5.0

There are some fundamental changes to vMotion scalability and performance in vSphere 5.0 one is the multi-nic support. One of the most visible changes...
2 min read

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 feedback into account...
2 min read