Cluster group was failed after multiple server reboots/failovers (moving of cluster resource group multiple times)
Get what all resources are failed / offline
PS:> Get-ClusterResource |Where-Object {$.state –eq “Failed”}
or
PS:> Get-ClusterResource |Where-Object {$.state –eq “offline”}
Check the cluster core resource owner
PS:> Get-ClusterGroup
Move the Cluster Core Resource to the logged in node (If the resource is in failed state , moving the resource will bring the resource online)
Ps:> Move-ClusterGroup “Cluster Group” –Node SQL02
Bring the offline “Cluster Group” Online
PS:>Start-ClusterGroup “Cluster Group”