In this How to fix vSAN unmounted disks, I will talk about the vSAN mount and unmount disks and how to fix and rebuild the vSAN without losing any data. One vSAN lab had an issue with some of the vSAN Disks this week, with many objects with warnings and some disks in an unhealthy [...]
I had a power outage, and my VCF was down. When I tried to power it on, all the vSAN Cluster was gone, and no VMs available. Only 2 of the 4 ESXi hosts cluster were configured correctly with the vSAN Cluster Datastore. So no vCenter, SDDC Manager, or NSX to power on the VCF. [...]
When your VMware Cloud Foundation(VCF) SDDC Manager Workload Domain is getting full, you need to add disks to your VCF through ESXi vSAN hosts. Most of the changes you need to do in your vCenter should be done through the SDDC Manager. Not the case when you need physically add extra disks to your ESXi [...]
We know that some systems cannot be connected to the internet. In this How to update your vSAN HCL DB without internet, I will show how we can update our vSAN HCL DB without an internet connection. In my case, a VMware Cloud Foundation (VCF) doesn't directly connect to the internet, but I still need [...]
In this vSAN find and delete unassociated or inaccessible objects blog post, I will discuss an issue I had a couple of weeks ago. I had a vSAN with some issues with some inaccessible objects and could not resync or fix them using the vSAN. Even detach and reattach the ESXi host did not fix [...]
In this quick and small blog postfix about vSAN. I get in vSAN Health Network checks an error with one of the vSAN ESXi hosts:Â "Checks if API calls from VC to a host are falling while the host is in connected state". In VMware KB we can't find much information about how to fix [...]
In this How to fix vSAN Cluster hosts out of sync, I will explain how to fix this type of issues triggered by network issues. This week we had some issues in one of our vSAN vCenter. Some warnings about network and vSAN nodes cannot communicate with each other. vSAN network uses DHCP provided by Juniper [...]
In the last week, VMware announced his first update for vSphere and vSAN 7.0. In this blog post, we will see What is new in vSphere and vSAN 7.0 U1. Important to notice that this is just the announcement and not the release yet. The official release should be set to October/November. I will not [...]
After a while, I am back to the reviews of the Runecast Analyzer product. In this Runecast Analyzer v4.3.2 detailed review will check what is new and review all the new features and talk about a little bit about each feature and show how to use it. As a partner of this blog, I have [...]
When we have a vSAN Cluster with non-compatible hardware health check block the use of VUM (VMware Update Manager) to update our vSAN Cluster. The same happens if we use a Nested vSAN (since Health Check will inform that iSCSI controller is not VMware supported). So in this blog post, we will learn how to [...]
