NFS response on 2nd nic very slow

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fozziebeer
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Joined: Sat Mar 27, 2021 12:33 am

NFS response on 2nd nic very slow

Post by fozziebeer » Sat Mar 27, 2021 12:42 am

I have a TVS-871 with the latest fw, 4.5.2.1594
I have 2 nics plugged into 2 separate switches,
192.168.54.13 is my front-end segment (phys switch no vlans)
192.168.2.13 is my storage segment (phys switching no vlans)

NFS service seemed to stop on the 192.168.2 segment lately. see below some stats. any ideas other than qnap os bug?
output is from a proxmox host. note the 192.168.2.response time is 2 minutes..

root@prox1:~# ping -c 2 192.168.54.13
PING 192.168.54.13 (192.168.54.13) 56(84) bytes of data.
64 bytes from 192.168.54.13: icmp_seq=1 ttl=64 time=0.160 ms
64 bytes from 192.168.54.13: icmp_seq=2 ttl=64 time=0.199 ms
--- 192.168.54.13 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 14ms
rtt min/avg/max/mdev = 0.160/0.179/0.199/0.023 ms

root@prox1:~# ping -c 2 192.168.2.13
PING 192.168.2.13 (192.168.2.13) 56(84) bytes of data.
64 bytes from 192.168.2.13: icmp_seq=1 ttl=64 time=0.132 ms
64 bytes from 192.168.2.13: icmp_seq=2 ttl=64 time=0.118 ms
--- 192.168.2.13 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 17ms
rtt min/avg/max/mdev = 0.118/0.125/0.132/0.007 ms

root@prox1:~# time showmount -e 192.168.54.13
Export list for 192.168.54.13:
/TEST *
/ProxIsos (everyone)
/ProxImages (everyone)

real 0m0.043s
user 0m0.004s
sys 0m0.018s

root@prox1:~# time showmount -e 192.168.2.13
Export list for 192.168.2.213:
/TEST *
/ProxIsos (everyone)
/ProxImages (everyone)

real 2m10.053s
user 0m0.017s
sys 0m0.022s
root@prox1:~#

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