使用 UDP 协议执行的挂载操作将挂起状态

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Category:: ontap-9

Specialty:: nfs

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适用场景

ONTAP 9
NFS
防火墙

问题描述

在客户端计算机上， UDP 挂载操作将处于挂起状态。
详细挂载会显示多个 RPC 超时：

[root@linux ~]# mount -o mountproto=udp -vvv 10.xx.xx.10:/vol1 /mnt/test mount.nfs: timeout set for Thu Apr 15 10:46:35 2021 mount.nfs: trying text-based options 'mountproto=udp,addr=10.xx.xx.10,mountaddr=10.xx.xx.10' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: trying 10.xx.xx.10 prog 100005 vers 3 prot UDP port 635 mount.nfs: trying text-based options 'mountproto=udp,addr=10.xx.xx.10,mountaddr=10.xx.xx.10' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: trying 10.xx.xx.10 prog 100003 vers 3 prot TCP port 2049 mount.nfs: prog 100005, trying vers=3, prot=17 mount.nfs: trying 10.xx.xx.10 prog 100005 vers 3 prot UDP port 635 mount.nfs: portmap query failed: RPC: Timed out