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

Designing your vMotion network – Multi-NIC vMotion and NetIOC

Designing a vMotion network can be quite a challenge. You want to provide vMotion as much bandwidth as possible but not at the expense...
4 min read

A primer on Network I/O Control

Network I/O Control (NetIOC) provides controls to partition network capacity during contention. NetIOC provides additional control over the usage of network bandwidth in the...
4 min read

Storage DRS survey

If you have a few spare minutes, please fill out the survey about Storage DRS usage. We are very interested in your Storage DRS...
11 sec read

Two very interesting videos about how computer algorithms shapes today's world

Resource management within virtual infrastructures relies on distributed algorithms, as a result I became more and more interested in the application of computer algorithms...
31 sec read

Adjusting the cost of vMotion – a word of caution

Yesterday I posted an article on how to change the cost of vMotion in order to change the default number of concurrent vMotion. As...
2 min read

Limiting the number of concurrent vMotions

After explaining how to limit the number of concurrent Storage vMotions operations, I received multiple questions on how to limit the number of concurrent...
4 min read

Adding new disk to an existing virtual machine in a Storage DRS Datastore Cluster

Recently I had some discussions where I needed to clarify the behavior of Storage DRS when the user adds a new disk to a...
1 min read

Why do you manually select a datastore while using Storage DRS?

On the community forums a couple of threads are active about the Storage DRS Automation level behavior when trying to manually migrate a virtual...
2 min read

vSphere 5.1 web client: VM overrides -Storage DRS automation level overview

Overall the vSphere 5.1 web client attempts to mimic the behavior of menus and settings workflows of the (old) vSphere client. When editing the...
1 min read

Manual storage vMotion migrations into a datastore cluster

Frequently I receive questions about the impact of a manual migration into a datastore cluster, especially about the impact of the VM disk file...
4 min read