Lessons learned
Posts in the Lessons learned format.
Filter 32
IaaS Control Plane – wrong NSX edge cluster for T1 placement
After upgrading an IaaS Control Plane environment to vSphere 8.0.3, the T1 SR instances of the vSphere namespaces stopped landing on the edge cluster they were meant to.
IaaS Control Plane – API inaccessible
After upgrading the Supervisor cluster of our IaaS Control Plane platform to vSphere 8.0 Update 3, kubectl access to the Kubernetes clusters stopped working.
NVIDIA L40s: Horizon cannot provision desktop pools with vGPU profiles
A customer recently bought several NVIDIA L40s cards to extend their Horizon environment. Provisioning failed for every desktop pool using an L40s vGPU profile.
vSphere with Tanzu and NSX Advanced Load Balancer – avi-secret not found
An interesting behaviour turned up during a functional test of a vSphere with Tanzu container runtime platform combined with the VMware NSX Advanced Load Balancer.
vSphere with Tanzu and NSX Advanced Load Balancer with a private CA
From vSphere 8.0 Update 2 you can deploy vSphere with Tanzu using NSX as the networking stack and NSX Advanced Load Balancer as the integrated L4 load balancer. With a private CA it fails.
redfishlib.cpp:264 :: In executeRedfishCall()
On a current project we run vSphere Lifecycle Manager together with HPE OneView and HPE OneView for vCenter, so a cluster image can carry the firmware as well.
iSCSI Datastore Not Consumed
On a customer project running current vSphere 8.0 U2, some hosts recognised their iSCSI devices but reported them as “not consumed”, so the ESXi host saw no iSCSI datastores at all.
Tanzu default storage class
I was recently playing with Helm charts on Tanzu Kubernetes clusters and ran into a few problems. Here is a quick tip if you hit something similar.
VCSA IP Change
Have you ever thought about moving your ESXi servers into a different network segment? Reconnecting a host after an IP change can take up to 30 minutes. It does not have to.
Cannot power on VMs after deleting resource pools
One of my colleagues had a problem the other night. He was called to troubleshoot a VMware View environment which was not running as expected.
Tips and Tricks for vSAN troubleshooting
Today I attended a Web-Session from VMware with the topic vSAN troubleshooting tips and tricks and I wanted to share those tips and tricks with you.
Problems with a restored VM: Invalid IDs in the Snapshot Files
Recently we've had the pleasure to restore a Database-VM from the most recent Backup because one of my coworkers accidentally deleted a vital .vmdk File on the datastore..