由于主机端口和存储端口上的 MTU 不匹配，导致 NFS 数据存储库写入问题
适用场景
- NFS
- ESXi
- Linux
问题描述
- Linux挂载的NFS共享在写入操作期间挂起、但可访问
- 可以访问ESXi挂载的NFS数据存储库
- 可以创建新VM / Storage vMotion VM成功完成、但传输几个MB后、传输将停止、几分钟后、相应任务会出现超时错误：
- VMkernel.log：APD状态会间歇性保持
2021-09-28T16:12:33.376Z cpu0:2098712)WARNING: NFS: 337: Lost connection to the server 172.27.143.110 mount point /netapp_test, mounted as 8b08cbd1-435c57cd-0000-000000000000 ("netapp_test")
2021-09-28T16:14:15.781Z cpu0:2098712)NFS: 346: Restored connection to the server 172.27.143.110 mount point /netapp_test, mounted as 8b08cbd1-435c57cd-0000-000000000000 ("netapp_test")
2021-09-28T16:14:15.781Z cpu6:2097603)StorageApdHandler: 507: APD exit event for 0x4314ef9fec20 [8b08cbd1-435c57cd]
2021-09-28T16:14:15.781Z cpu6:2097603)StorageApdHandlerEv: 117: Device or filesystem with identifier [8b08cbd1-435c57cd] has exited the All Paths Down state.