Multiple vSAN alerts:
vSAN cluster configuration consistency
vSAN cluster partition
Performance service status
This is seen after the cluster was taken down due to an incorrect build then rebuilt.
ESXi (All)
Multiple hosts have no unicast list when checking using the below command and will return no output or be missing hosts in the output
esxcli vsan cluster unicastagent list
In addition multiple hosts has IgnoreClusterMemberListupdates enabled when checking using the below command from the host command line it will return 1
esxcfg-advcfg -g /VSAN/IgnoreClusterMemberListupdates
Disable IgnoreClusterMemberListupdates by running the following command on all hosts command line
esxcfg-advcfg -s 0 /VSAN/IgnoreClusterMemberListupdates
Rebuild the Unicast list using one of the following two methods:
1. Preforming a change on the cluster will have vCenter update the vSAN unicast list. An example would be placing a host in to maintenance mode or removing a host from the cluster.
2. A manual rebuild can be done from the command line and is preferred if there is still production workloads running on the host, These steps can be fond at Configuring vSAN Unicast networking from the command line