ITQ Transform ’19 – it was awesome

Yesterday on the 27th of september in Fort Voordorp in Groenekan (Netherlands) ITQ held their Transform event. For those who could not attend this event, here is a little re-cap: In the morning (before the Transform event really kicked of) ITQ held a unique VMware Cloud on AWS Master Class course: A 3 hour in-depth course were all aspects of VMConAWS were covered.ITQ invited the … Lees verder ITQ Transform ’19 – it was awesome

LACP and vSphere (ESXi) hosts: not a very good marriage

I receive a lot of questions from customers if they should implement LACP rather or not, so without further ado: In this blog I’m going to talk about if it is a good idea to configure LACP between your ESXi hosts and the physical switched network? The Link Aggregation Control Protocol delivers enhanced features for a Link Aggregation (LAG), ensuring a stable connection between 2 … Lees verder LACP and vSphere (ESXi) hosts: not a very good marriage

Sticky berichten

PowerCLI: Enable VSAN on existing (stretched) vSphere clusters as autonomously as possible

Introduction During my career I’ve done quite some vSphere and VSAN implementations . The hardest part of implementing VSAN on a vSphere cluster is (usually) the network part. Especially in a stretched VSAN cluster configuration, there are some specific network requirements/best practices which should be followed, but because you don’t implement them on a daily basis you forgot some of the settings: you usually keep … Lees verder PowerCLI: Enable VSAN on existing (stretched) vSphere clusters as autonomously as possible

PowerCli: Creating VMK-if on the vmotion netstack on a DVS (with the correct gateway IP configured)

Good scripts are created out of frustration: And here’s a good example of this statement! I wasn’t able to find a script which was able to create a VMK-interface connected to a DVS, being a part of the vmotion netstack AND with a default gateway configured at the netstack-level (and not the VMK-if. The majority of the scripts (which I stole shameless from my collegeau … Lees verder PowerCli: Creating VMK-if on the vmotion netstack on a DVS (with the correct gateway IP configured)

PowerCLI: retrieve VMhost routes used for stretched VSAN clusters.

When configuring a stretched VSAN cluster, the VSAN VMkernel interface is connected to the “default” netstack and manual routes must be added which point to VSAN subnet gateways, which enables VSAN communication in a stretched cluster configuration. Without the additional routes add to the ESXi-hosts, communication to the witness appliance and the remote site is not working. This script below shows the manual added routes … Lees verder PowerCLI: retrieve VMhost routes used for stretched VSAN clusters.

PowerCli: bulk change ESXi root passwords with vCenter

sometimes you have to change the root password for all ESXi hosts.You can use the PowerCLI Set-VMHostAccount cmdlet. But this requires you to connect to each individual ESXi host, it cannot be run when connected to the vCenter server. So, I’ve created a (rather small) script which changes the root passwords for all (or a subset) of the ESXi hosts, which are connected to a … Lees verder PowerCli: bulk change ESXi root passwords with vCenter