VMware
-
Lost access to volume due to connectivity issues
Recently, I ran into an issue with a host where performance would tank from the client side. VM consoles and RDP sessions would disconnect as well as the host would become unresponsive to any types of commands within the vCenter…
-
Can you Install VMware ESXi on 4kn Drives
The answer to the question posed in the post title is – yes you can INSTALL ESXi on 4kn drives. However as I tested recently, the problem you will run into is being able to add a datastore. Let’s take…
-
ESXTOP troubleshoot VM network connectivity
ESXTOP is one of the best all around troubleshooting tools in the toolbox of a VMware administrator and it is a built in commandline tool available as soon as you install ESXi. It is an extraordinarily valuable tool to use…
-
Troubleshooting NSX VXLAN jumbo frames in nested lab
In working recently in a nested VMware environment running three clusters and NSX, I ran into a jumbo frames issue with VXLAN connectivity across the clusters. I was simulating different WAN/subnet environments using an Untangle appliance as a router in…
-
There was an error connecting to NSX manager API
A quick issue I ran into yesterday connecting a restful API client to an NSX manager – “there was an error connecting”. As I had connected to this manager before using an API client, I knew that it was accessible…
-
ESXi 6 Configure Management Network Greyed out
The other day when playing around “rather hard” with distributed switches and NSX, I broke my distributed switch implementation on one of my lab ESXi 6 hosts. I couldn’t ping the host, and also even worse, couldn’t get to the…
-
VMware NSX Domain conflict with 1 existing domain
Recently, I ran into a peculiar issue with VMware NSX trying to add domains for security grouping. Through the GUI the process is fairly straightforward. However, after adding a domain in testing, removing, and adding again, I ran into an…
-
Troubleshooting VMware VCSA 6 disk space issues
Over the past weekend, I noticed via alerts that there were issues connecting to my vCenter environment. I have seen some false positives before with the alerts and vCenter connectivity, so I wasn’t too concerned at first. However, upon just…
-
PowerCLI change network label for all VMs in a folder
Just a quick blurb and a useful one liner used to change all the Network labels for all virtual machines that existed in a vCenter folder. I had a situation in a lab where I imported numerous server VMs from…
-
New HTML5 vSphere Web Client
With the new host UI that is present with vSphere ESXi 6 update 2, it gives us a taste of what the HTML5 web client might look like. But alas, we don’t have to wait! With the new fling available…