Microsoft Windows Server Failover Clustering (WSFC) During the Upgrade of ONTAP from 9.1 to 9.3 with fiber channel over ethernet (FCoE) raw device mapping ( RDM ) Virtualized Microsoft Windows Server ...Microsoft Windows Server Failover Clustering (WSFC) During the Upgrade of ONTAP from 9.1 to 9.3 with fiber channel over ethernet (FCoE) raw device mapping ( RDM ) Virtualized Microsoft Windows Server Failover Cluster (WSFC) / Microsoft Cluster Service (MSCS) (cluster-across-boxes) report disk device busy soon after first ONTAP node goes down for reboot Cluster applications hang and both nodes report device busy The system failed to flush data to the transaction log.
