HP BL460c Gen 9 with Windows Server 2012 R2 no network or intermittent loss of network connection

One of my customers requested me to have a look at their Microsoft Hyper-V Server 2012 infrastructure. They had a strange problem with the HP BL490c Gen 9 blades. The blades are equipped with a 536FLB Flex 10 network interface card based on a  QLogic 57840S chipset. The Hyper-V hosts are deployed using the bare-metal … [Read more...]

DevOps for VMware Administrators available for pre-order

DevOps represents a powerful new approach to delivering IT services, where software developers and IT operations teams work closely together to deploy projects far more often and more reliably. As pioneers like Google, Amazon, and Netflix have discovered, DevOps can improve efficiency, accelerate delivery, and reduce … [Read more...]

EZT Disks with VSAN, why would you?

I noticed a tweet today which made a statement around the use of eager zero thick disks in a VSAN setup for running applications like SQL Server. The reason this user felt this was needed was to avoid the hit on “first write to block on VMDK”, it is not the first time I have heard this and I have even seen … [Read more...]

VMware: Inschrijving geopend – 19 maart 2015 – VMUG Den Bosch

Op 19 maart vindt het NLVMUG event 2015 plaats in Den Bosch. De NLVMUG volunteers willen je hier graag voor uitnodigen. Er wordt een gevarieerd programma voorbereid met keynote sessies en verschillende tracks met top sprekers. We kunnen al een tipje van de sluier oplichten over een zeer interessante spreker die over … [Read more...]

Free e-learning course – vCloud Air Fundamentals

This eLearning course on vCloud Air will provide you a fundamental understanding of vCloud Air and how customers can move or extend their on-premises data center to vCloud Air. The course provides an overview of vCloud Air, the common challenges with public cloud offerings, common barriers to public cloud adoption, … [Read more...]

Running CoreOS on VMware

CoreOS is a new Linux distribution that has been rearchitected to provide features needed to run modern infrastructure stacks. The strategies and architectures that influence CoreOS allow companies like Google, Facebook and Twitter to run their services at scale with high resilience.CoreOS is currently in heavy … [Read more...]


I know a lot of you guys have home labs and are always looking for that next cool thing. Every once in a while you see something cool floating by on twitter and in this case it was so cool I needed to share it with you guys. Someone posted a picture of his version of “EVO:RACK” leveraging Intel NUC, a small … [Read more...]

E1000 VMware issues

Lately I’ve noticed that various people have been hitting my blog through the search string “e1000 VMware issues”, I want to make sure people end up in the right spot so I figured I would write a quick article that points people there. I’ve hit the issues described in the various KB articles … [Read more...]

VMware: Host IPMI System Event Log Status alarm is triggered repeatedly in VMware vCenter Server

  Solution To resolve this issue, stop the alarm from triggering repeatedly and clear the IPMI System Event.log file and reset the sensors. To clear the IPMI System Event.log file and reset the sensors: Open vCenter Server using vSphere Client. In the vCenter Inventory, select the ESXi/ESX host. Click the Hardware … [Read more...]

New Book: VMware vRealize Operations Performance and Capacity Management

his book is for VMware professionals. This can be a VMware administrator, architect, consultant, engineer, or technical support. You may be working for VMware customers, partners, or VMware itself. You may be an individual contributor or a technical leader. This book is an intermediate-level book. It assumes you have … [Read more...]