更换控制器后无法访问新 LUN

适用场景

• ONTAP 9
• iSCSI

问题描述

• 更换控制器后，无法通过 HA 对访问新 LUN 。
• 对于 4 节点（或更多）集群、可以通过其他节点访问 LUN 。
• Windows Server 事件日志显示：

mpio event 47

An error occurred while the system tried to claim a Multipath I/O (MPIO) path. The location of the failing path is described by the SCSI address (4, 0, 1, 0) (Port, Bus, Target, Lun). To resolve this issue, either reboot the system, or show hidden devices in Device Manager and try uninstalling the specific disk device indicated above, and then rescan for hardware changes.