The workstations use NFS mount to access the data QNAP public space. For a few years working fine without problems.
But since last week, I have two workstations cannot mount NFS to the QNAPs after the workstation reboot.
It is just no responding and hold there without any error messages.
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$ sudo mount -v -t nfs 172.20.76.95:/Public /mnt/nas2
mount.nfs: timeout set for Tue May 24 11:46:44 2022
mount.nfs: trying text-based options 'vers=4.2,addr=172.20.76.95,clientaddr=172.20.75.178'
Here is the rpcinfo of one workstation:
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$ rpcinfo -p
program vers proto port service
100000 4 tcp 111 portmapper
100000 3 tcp 111 portmapper
100000 2 tcp 111 portmapper
100000 4 udp 111 portmapper
100000 3 udp 111 portmapper
100000 2 udp 111 portmapper
100005 1 udp 59585 mountd
100005 1 tcp 43173 mountd
100005 2 udp 55624 mountd
100005 2 tcp 34469 mountd
100005 3 udp 34753 mountd
100005 3 tcp 46799 mountd
100003 3 tcp 2049 nfs
100003 4 tcp 2049 nfs
100227 3 tcp 2049
100003 3 udp 2049 nfs
100227 3 udp 2049
100021 1 udp 35593 nlockmgr
100021 3 udp 35593 nlockmgr
100021 4 udp 35593 nlockmgr
100021 1 tcp 40159 nlockmgr
100021 3 tcp 40159 nlockmgr
100021 4 tcp 40159 nlockmgr
$ sudo systemctl status rpcbind
● rpcbind.service - RPC bind portmap service
Loaded: loaded (/lib/systemd/system/rpcbind.service; enabled; vendor preset: enabled)
Active: active (running) since Thu 2022-05-19 22:37:42 +08; 4 days ago
TriggeredBy: ● rpcbind.socket
Docs: man:rpcbind(8)
Main PID: 1500 (rpcbind)
Tasks: 1 (limit: 309030)
Memory: 2.0M
CGroup: /system.slice/rpcbind.service
└─1500 /sbin/rpcbind -f -w
May 19 22:37:42 Maybach systemd[1]: Starting RPC bind portmap service...
May 19 22:37:42 Maybach systemd[1]: Started RPC bind portmap service.
Thanks much in advance.
Huang