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Attempting to upgrade ESXi on a Nutanix node manually fails with: “OSError: [Errno 39 Directory not empty: ‘/vmfs/volumes/e2be1277-f8844313-564e-dbe0fc3821c4/Nutanix’”

June 21, 2021

Problem You’re attempting to manually upgrade a Nutanix node from VMware ESXi, 6.5.0, 17167537 to VMware ESXi, 6.7.0, 15160138 with the ISO VMware-VMvisor-Installer-201912001-15160138.x86_64.iso then patch it to VMware ESXi, 6.7.0, 17700523 with ESXi670-202103001.zip: Upgrade ESXi, preserve VMFS datastore … but the upgrade from 6.5 to

VMware vSphere 6.5 CPU per socket calculation

March 14, 2019

I’ve recently had a developer ask me why the socket calculation in VMware vSphere 6.5 is seemingly so different than the legacy 5.5 environment he was used to and I found it difficult to verbally walk him through the changes so I went ahead and

Patching a VMware ESXi 5.5 host offline via CLI

January 6, 2018

One of the more common questions I’m asked every year is how to patch an ESXi host without using VMware Update Manager because it is quite common for ESXi hosts as well as vCenter to not have internet access. What I typically do when asked

Unable to reconfigure HA on VMware ESXi 5.5.0 hosts after failed vCenter upgrade

December 7, 2016

Problem You’ve recently attempted to upgrade vCenter 5.5 from 3b to 3e but had to rollback the upgrade to a previous snapshot due to an issue. Since the upgraded vCenter server was briefly started and had upgraded the HA agents on the ESXi hosts, you

Unable to power on virtual machines on ESXi host with the error: "Invalid or unsupported virtual machine configuration."

November 4, 2015

Problem You’ve noticed that the Recent Tasks in your vCenter’s task list is displaying the following error when attempting to perform a Power On virtual machine task: Invalid or unsupported virtual machine configuration. Reviewing the detail of the task displays the following Task Details: Name:

Hello! My name is Terence Luk and welcome to my blog.

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Attempting to upgrade ESXi on a Nutanix node manually fails with: “OSError: [Errno 39 Directory not empty: ‘/vmfs/volumes/e2be1277-f8844313-564e-dbe0fc3821c4/Nutanix’”

VMware vSphere 6.5 CPU per socket calculation

Patching a VMware ESXi 5.5 host offline via CLI

Unable to reconfigure HA on VMware ESXi 5.5.0 hosts after failed vCenter upgrade

Unable to power on virtual machines on ESXi host with the error: "Invalid or unsupported virtual machine configuration."

Hello! My name is Terence Luk and welcome to my blog.

Follow me:

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