Regulary disconnected, suspect is tinc vpn

BlueMoon

New Member
May 29, 2016
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Promox 4.2 running on 2 nodes + 1 quorum = total 3 servers.
All of them have tinc vpn running.

On very rare occasions (every few days or 1~2 weeks), my website hosted on this proxmox node will throw cloudflare 522 connection timed out: https://support.cloudflare.com/hc/en-us/articles/200171906-Error-522-Connection-timed-out

This problem has been driving me crazy. I'm not sure, but I suspect this is caused by tinc vpn that somehow got disconnected.

root@node1pve:/# iperf -s
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 4.00 KByte (default)
------------------------------------------------------------
[ 4] local 192.168.xxx.xxx port 5001 connected with 192.168.xxx.xxx port 13394
[ ID] Interval Transfer Bandwidth
[ 4] 0.0-10.1 sec 1.02 GBytes 868 Mbits/sec

root@node2pve:/# iperf -c node1pve
------------------------------------------------------------
Client connecting to node1pve, TCP port 5001
TCP window size: 45.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.xxx.xxx port 13394 connected with 192.168.xxx.xxx port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.0 sec 1.02 GBytes 876 Mbits/sec

root@node3pve:/# iperf -c node1pve
------------------------------------------------------------
Client connecting to node1pve, TCP port 5001
TCP window size: 45.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.xxx.xxx port 55336 connected with 192.168.xxx.xxx port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.0 sec 1.06 GBytes 907 Mbits/sec


Anybody experience with this problem? Need advice. Thanks!


# pveversion -v
proxmox-ve: 4.2-49 (running kernel: 4.4.8-1-pve)
pve-manager: 4.2-4 (running version: 4.2-4/2660193c)
pve-kernel-4.4.8-1-pve: 4.4.8-49
pve-kernel-4.2.2-1-pve: 4.2.2-16
lvm2: 2.02.116-pve2
corosync-pve: 2.3.5-2
libqb0: 1.0-1
pve-cluster: 4.0-39
qemu-server: 4.0-74
pve-firmware: 1.1-8
libpve-common-perl: 4.0-60
libpve-access-control: 4.0-16
libpve-storage-perl: 4.0-50
pve-libspice-server1: 0.12.5-2
vncterm: 1.2-1
pve-qemu-kvm: 2.5-16
pve-container: 1.0-63
pve-firewall: 2.0-26
pve-ha-manager: 1.0-31
ksm-control-daemon: 1.2-1
glusterfs-client: 3.7.11-1
lxc-pve: 1.1.5-7
lxcfs: 2.0.0-pve2
cgmanager: 0.39-pve1
criu: 1.6.0-1
 

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