@Yeunuk.Kim Can you please confirm if you are following article:
https://learn.microsoft.com/en-us/sql/sql-server/failover-clusters/install/create-a-new-sql-server-failover-cluster-setup?view=sql-server-ver15
https://learn.microsoft.com/en-us/azure/azure-sql/virtual-machines/windows/failover-cluster-instance-storage-spaces-direct-manually-configure?tabs=windows2012
Can you check this troubleshooting guide as well:
https://learn.microsoft.com/en-us/sql/sql-server/failover-clusters/windows/failover-cluster-troubleshooting?view=sql-server-ver15
Hope it helps!!!
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