vSAN hyperconverged cluster configuration alarm ‘Host compliance check for hyperconverged cluster configuration’

I worked with a customer today to add 2 more nodes to their VMware vSAN Streched Cluster. Which worked for now, but we got a warning under the cluster summary:

We have added the new nodes manually, it must be said at this point now. Which in turn leads to this warning, because the customer has configured its VMware vSAN Streched Cluster intially via Quickstart. In order for the cluster to be compliant, the new and also future hosts must indeed be added via Quickstart.

As you can see under Quickstart, all parameters are correct and checked. If the cluster had been created manually, Quickstart would still be on Step 1 “Cluster basics“. As soon as you push the new nodes into the cluster, you will see under Quickstart Step 3 “Configure Hosts” that two nodes have not yet been configured. So we go this way, by clicking configure.

Here we configure the disk groups for the VMware vSAN Datastore.

We then distribute the two nodes to the fault domains.

And last but not least we see all parameters again and expand the cluster, by clicking finish.

I am more of a fan of setting up clusters manually rather than via Quickstart, as there is much more flexibility via the manual way. As support I have taken the following VMware KB article: https://kb.vmware.com/s/article/58896

That’s it from this blog post, if you have any questions please leave a comment. 🙂