Sometimes you want/need use iPerf to test the nic speed between two ESXi hosts. I did because I was seeing a NIC with low throughput in my lab. How can we test raw speeds between the two hosts? iPerf comes to the rescue. I was looking on how to do this on an ESXi host. I doesn’t come as a surprise that I found the …

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Whilst upgrading the home lab I also decided to rebuild from scratch. There were some challenges to overcome because I have running VMs I don’t want to shut while migrating. My current home lab setup and the go to setup is documented here (work in progress). Basically it comes down to: Original setup: three hosts …

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The Horizon Client installer generates the following errors for Multimedia Redirection: Adding the following symlinks made the failure message go away. I’m wondering though if the packages get updated in the repositories whether this will break the Multimedia Redirection (MMR). I guess I’ll notice some day. View this …

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The following powershell snippet is going to unconfigure the diagnostic coredump partition using the esxcli version 2 cmdlet. The second part will reconfigure the diagnostic partition with the ‘smart’ option so that an accessible partition is chosen. If you want to configure a new diagnostic partition the you will find …

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There are a couple of steps which need to be taken to configure the Tesla M60 cards with NVIDIA GRID VGPU in a vSphere / Horizon environment. I have listed them here quick and dirty. They are an extract of the NVIDIA Virtual GPU Software User Guide. On the host(s): Install the vib esxcli software vib install -v …

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I decided to upgrade the vCenter Server Appliance from 6.5 U2 to 6.7 though it is not supported, see VMware KB. As this is not supported you will NOT want go ahead with this in a production environment. Maybe I will have regrets later on too … but this is my lab environment so the alternative is to redeploy a new …

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In these series we will create a lab with multiple components, a jumphost, vcsa, esxi, a vsan enabled cluster, nsx and maybe more. The aim of the series is to learn about deploying all components onto the Ravello cloud. Part 1: Creating the Jumphost Part one of the series will be about creating the jumphost. I’m …

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I had downtime in my lab due to an power failure which resulted in a boot failure of my VCSA 6.5 appliance. Looking on the console showed me a "[FAILED] Failed to start File System Check on /dev/dis...uuid/uuid. See 'systemctl status system-fsck-root.service' for details." message. Therefor it booted into 'Emergency …

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When connecting to your vCenter server via PowerCLI, one can use the -menu option. This will give a list of entries you recently used. You can manage the entries here: C:\Users\username\Appdata\Roaming\VMware\PowerCLI\RecentServerList.xml Connect-viserver -menu

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vCenter is showing an alarm on the TrendMicro Deep Security Virtual Appliance (DSVA): ‘vShield Endpoint SVM status’ Checking vShield for errors: The DSVA VA console window shows: (as to where it should show a red/grey screen) Let’s go for some log file analysis To get a login prompt: Alt + F2 Login with user dsva and …

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