In the blog post, I am showing you how to deal with SATADOM boot devices in your ESXi Hosts. Recently I replaced my SD cards with SATADOMs in all my ESXi Hosts in my HomeLab. This blog post is about my experience and configuration that was required for HPE ProLiant servers. SD Card In the …
After some network maintenance, my virtual pfSense firewall started to cause some major issues and parts of the network started to stop functioning. In the end, it came down to the following error message (arpresolve: can’t allocate llinfo for X.X.X.X on emX). Because this wasn’t the first time… it was time to do a proper …
Last week I was converting a vSphere 6.7 Update 1 environment from external PSC to embedded PSC. After a couple of seconds running the conversion, it ended in an error message (Failed to get vecs users and permissions). The customer was using the latest available vCenter 6.7 update 1 release available at this point vCenter …
About a year ago I wrote a blog about the following issue: No Workflow Output in vRealize Orchestrator (vRO) 7.4. Apparently, after the vRealize Orchestrator (vRO) 7.6 upgrade the issue has returned. I will not go into full detail in this blog post. Just a basic instruction on how to resolve the issue in vRealize …
At a customer, I encountered the following issue when trying to connect with PowervRA to vRealize Automation. The error message that appeared was: Invoke-RestMethod : The underlying connection was closed: An unexpected error occurred on a send. Let go one step back: So what is PowervRA you might ask? PowervRA is a PowerShell Toolkit to …
I ran into an error message today with vRealize Automation (vRA). The error message that came up was: Failed to convert external resource Prod-Fin-00012. The issue occurred in vRA version 7.3.1. Inside the vRealize Automation portal, I tried to upgrade virtual machine hardware but it failed directly when issuing the request. Strange thing was it …
Lately, I encountered some issues related to VMware vSAN in my Lab environment. The error message that was popping up all the time was “PBM error occurred during PreCloneCheckCallback“. So how did the problem occur? First, we start with some background information. My Lab environment is powered-on when needed and powered-off when not needed. This …
This time I decided to do a blog post about the HPE Smart Array RAID controllers with their wonderful ssacli tool. The tooling of HPE is very powerful because you can online manage a VMware ESXi host and migrate for example from a RAID 1 volume to a RAID 10 without downtime or change the …
In this post, we are going to change the Virtual Storage Controller from LSI Logic Parallel to VMware Paravirtual for a CentOS 7 based Virtual Machine that is running on VMware vSphere. This blog post will contain step-by-step guidance for performing the operation. In my case the virtual machine was built in VMware Workstation and …
In this blog post, we are going to deploy VMware vCenter 6.7 Update 1 in my Lab environment. The deployment is fully covered with all the additional notes required to perform a successful installation, migration or upgrade. I also added some guidelines for designing your environment. Now that vSphere 6.7 Update 1 is available since …