Category: ESXi

Blog ESXi VMware vSphere
4. December 2023

vmkX not found in the current netstack

A little post for in between, in case you want to do a vmkping with your vMotion vmkerneladapter and get the following error message: The reason for this error message is that the TCP/IP stack of vmk4 has been set to vMotion. If I build a vmkerneladapter and want to use the vMotion service, I still leave the TCP/IP stack set to default and activate […]

Blog Dell Dell PowerEdge ESXi VMware
21. August 2023

Lost connectivity to the device naa.61xxxxxx backing the boot filesystem 

Today I noticed that my ESXi 04 displays the following information: Lost connectivity to the device naa.61xxxxxx backing the boot filesystem /vmfs/devices/disks/naa.61xxxxxx. As a result, host configuration changes will not be saved to persistent storage. So let us open a SSH session to have a look at the mentioned device by using following command: As we can see, there are some Failed Operations, to get […]

Blog ESXi VMware
14. June 2023

Create/Show/Delete Snapshots with ESXi CLI

In various situations (mostly in the context of automation), I have been asked by DevOps colleagues how to take a snapshot of a VM via CLI. The whole thing works with a vim-cmd command. You need access via SSH to the respective ESXi server, then we list all available VMs: Then we note the VMID from which we want to create a snapshot. In our […]

Blog ESXi VMware
16. March 2023

VMware Baseline Updates & HCL Check – Missing dependencies VIBs Error Part 2

As you guys know from my previous Upgrade post, I showed the Upgrade/Update path from ESXi 6.7 to 7.0 via the out-of-band management platform on the servers. (iDRAC; iLO; CIMC and so on) This time, however, I want to show you the update/upgrade way via Baseline updates, i.e. you update your ESXi servers with Baselines over your vCenter. For vSphere 8 environments this way is no […]

Blog ESXi VMware
15. July 2022

“LINT1 motherboard interrupt” error while installing VMware ESXi

I got 3 Dell R730 servers on which VMware ESXi 7.0 U3 should be installed normally. During the installation I encountered the following error message: Well, we all know how it feels when we see PSOD so a Purple Screen of Death – pretty much panic. But since we are experienced VMware administrators, we look at any PSODs soberly and go into troubleshooting. 😉 As […]

Blog ESXi VMware
17. March 2022

VMware ESXi 7.0 – Remove Host Client session timeout

In VMware ESXi 7.0 the Host Client Web Interface session timeouts automatically every 15 minutes and then you have to log back in to the ESXi Host Client Web Interface again. To avoid this tedious situation you can increase the session timeout changing an advanced configuration parameter in the ESXi Host Client Web Interface. !!! WARNING !!! For security reasons, timouts should be kept low and not removed. Using your […]