使用 UDP 协议执行的挂载操作将挂起 状态
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