"vSAN Cluster Configuration Consistency" alert is thrown immediately after the process of enabling Deduplication and Compression on vSAN cluster
vSAN 8.x
Issue caused by interruption of the process of enabling Deduplication and Compression, resulting in one or more diskgroups missing post cluster reconfigure.
Create missing Disk Group on a vSAN Host using one of available methods, example: https://techdocs.broadcom.com/us/en/vmware-cis/vsan/vsan/8-0/vsan-administration/device-management-in-a-vsan-cluster/managing-storage-devices-in-vsan-cluster/create-a-disk-group-or-storage-pool-in-vsan-cluster.html
vSAN Health Service -- Cluster Configuration Consistency https://knowledge.broadcom.com/external/article/326880/vsan-cluster-configuration-consistency.html