The new created cluster didn't deployed the embedded vCLS VMs , and not any alarms in cluster's event and task UI .
As disable the retreat mode of cluster , the esxi host /var/run/log/infravisor.log complained logged spec.nodeName invalid value.
YYYY-MM-DDTHH:MM:SS.58Z No(5) infravisor[2459511] time="YYYY-MM-DDTHH:MM:SS.956717Z" level=error msg="Failed to get resource from spec vcls.yaml: failed to decode pod from /etc/vmware/infravisor/manifests/vcls.yaml: ValidatePodCreate failed: [spec.nodeName: Invalid value: \"F1. F2.com\": a lowercase RFC 1123 subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start and end with an alphanumeric character (e.g. 'example.com', regex used for validation is '[a-z0-9]([-a-z0-9]*[a-z0-9])?(\\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*')]"
vSphere 8.0U3
The host use /etc/hosts to resolve the esxi host fqdn . but the fqdn has incorrect format . there is a space between F1. and F2 .
$ cat etc/hosts
# Do not modify this file directly, please use esxcli.
127.0.0.1 localhost.localdomain localhost
::1 localhost.localdomain localhost
##.##.##.## F1. F2.com F1
correct the fqdn name , enanle retreat mode then disable the retreat mode .