Troubleshooting
How to fix VMware Cloud Director relocate task timeouts
Fixing relocate taskt timeouts in VCD was never easier. Read the blog to find out.
NSX
VMware NSX corfu certificates expired after upgrade to 4.1.2.3
Introduction The other day we were upgrading our VMware NSX environment to a fresh new version from 3.x to 4.x. After the upgrade, the first login we encountered many NSX Corfu certificates as expired from the alarm screen as can be seen below: You can see these alarms on the Read more
NSX
NSX Edge Transport Node upgrade gone wrong
Introduction The other day I was doing an NSX(T) upgrade from 3.2.3.1 to 4.1.1.0 on one of our environments. Everything went alright until the actual first stage in which you start upgrading your NSX infrastructure. As you know the first step in upgrading your NSX Fabric is the step in Read more
Troubleshooting
How to fix VMware Cloud Director ‘Index 0 out of bounds for length 0 error’
Introduction The other day we received a fresh new warning in VMware Cloud Director (VCD) while editing a VM to add more disk space. The request failed with an java.lang.IndexOutOfBoundsException: Index 0 out of bounds for length 0 message. In this blogpost I will discuss how to fix this issue. Read more
Troubleshooting
How to fix Usage Meter 4.8 not uploading consumption data
Introduction The other day we updated our UsageMeter environment to 4.8. We have a couple and all of them including this appliance worked fine after the upgrade. After a couple of days I received a message that the Usage Meter consumption data is no longer being uploaded to the VMware Read more
Troubleshooting
VMware Cloud Director 10.5.1 database bug causing strange issues
Introduction The other day we upgraded our VMware Cloud Director (VCD) environment. The upgrade itself did not go so well for us, but I will discuss this in another blogpost. However this blogpost is for a specific bug which came up on our environment after the upgrade. The bug manifested Read more
NSX
How to replace the NSX Manager Local-Manager Federation certificate
Introduction In our NSX(T) environment I’ve had to replace certificates loads of times. This is actually quite easy if you know how (which I will explain in this post). However, this time after replacing all the NSX Manager certificates (Cluster and Nodes) we had one expired certificate left, the one Read more
NSX
Remove legacy EAM baseline in vLCM
Recently I upgraded a vSphere 7 environment to version 8. This left me with a vCLM baseline which was no longer applicable to any of the ESXi hosts. However I could not delete it. The option to detach the baseline from the cluster was grayed out. The baseline itself shows it was intended to install a host extension for NSX-V. And the option to remove the baseline entirely is also grayed out. This post describes the underlying issue and how to resolve it.
ESXi
How to remove vSAN inaccessible objects
Introduction The other day we were finding us in the position to completely re-install a couple of vSphere ESXi hosts which were once part of a larger VMware vSAN cluster environment. Usually this does not take that long to do since nowadays the cluster wizard inside the vCenter Server does Read more
ESXi
Analyze ESXi network captures remotely using Wireshark
In my previous post I explained how to quickly interpret a network capture on ESXi by using pktcap-uw and tcpdump-uw. This works great to get some information at a glance. But what if you require some further analysis? Well, then Wireshark is probably your tool of choice. Check out the rest of this blog post to learn how to set up remote capturing so you don’t need temporary storage on ESXi for your capture files.