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

VM templates and Storage DRS

Please note that Storage DRS cannot move VM templates via storage vMotion. This can impact load balancing operations or datastore maintenance mode operations. When...
13 sec read

My public VMworld schedule

This year will be an action-packed VMWorld for me, presenting sessions, participating in two panel sessions, hosting a group discussion and available in two...
38 sec read

DRS and memory balancing in non-overcomitted clusters

First things first, I normally do not recommend changing advanced settings. Always try to tune system behavior by changing the settings provided by the...
3 min read

Storage DRS enables SIOC on datastores only if I/O load balancing is enabled

Lately, I’ve received some comments why I don’t include SIOC in my articles when talking about space load balancing. Well, Storage DRS only enables...
19 sec read

Considerations when modifying the individual VM automation level

Recently I received some questions about the behavior of DRS when the automation level of an individual virtual machine is modified. DRS allows customization...
3 min read

To which host-level latency statistic is the SIOC congestion threshold related?

Today someone asked if the congestion threshold of SIOC is related to which host latency threshold? Is it the Device average (DAVG), Kernel Average...
2 min read

Removing the horizontal bar in the footer of a word doc

Now for something completely different, a tip how to extend your life with about 5 years – or how to remove the horizontal bar...
40 sec read

Disabling MinGoodness and CostBenefit

Over the last couple of months I’ve seen recommendations popping up on changing the MinGoodNess and CostBenefit settings to zero on a DRS cluster...
3 min read

Limiting the number of Storage vMotions

When enabling datastore maintenance mode, Storage DRS will move virtual machines out of the datastore as fast as it can. The number of virtual...
2 min read

Fab-four: VMWorld 2012 sessions approved

This morning I found out that my four sessions are accepted. I’m really pleased and I am looking forward to presenting at each one...
30 sec read