Backup doesn't start alone

Hello,
I setup an urbackup server (ubuntu 20.04) and connect 2 clients (debian and windows).
Backup manually starts from webUI and start form client with “urbackupclientctl start”
But no automatic start…

I check ports:

  • on server side, udp 35623 is open and also tcp 55415 (I use apache proxy pass to connect to web ui)
  • on client side : iptables -S says
    -A INPUT -p tcp -m tcp --dport 35621 -j ACCEPT
    -A INPUT -p tcp -m tcp --dport 35623 -j ACCEPT
    -A INPUT -p udp -m udp --dport 35622 -j ACCEPT

I check log on server side : it says nothing (debug level setup)
On client side it says:
"
2023-12-25 19:01:10: rc=0 hasError=true state=0
2023-12-25 19:01:10: SERVICE_COMMANDS finished
2023-12-25 19:01:10: Started connection to SERVICE_COMMANDS
2023-12-25 19:01:10: ClientService cmd: #IdYFkkHrGfDhgAoKDONzv#INCRINTERVALL “259203”
2023-12-25 19:01:10: rc=0 hasError=true state=0
2023-12-25 19:01:10: SERVICE_COMMANDS finished
2023-12-25 19:02:05: Started connection to SERVICE_FILESRV
2023-12-25 19:02:05: FileSRV received 73
2023-12-25 19:02:05: FileSrv: Received data…
2023-12-25 19:02:05: FileSrv: Received a Packet.
2023-12-25 19:02:05: FileSrv: Sending file (normal) urbackup/settings.cfg metadata_id=0
2023-12-25 19:02:05: FileSrv: Mapped name: /usr/local/var/urbackup/data/settings.cfg
2023-12-25 19:02:05: FileSRV received 21
2023-12-25 19:02:05: FileSrv: Received data…
2023-12-25 19:02:05: FileSrv: Received a Packet.
2023-12-25 19:02:05: Received flush.
2023-12-25 19:02:05: FileSrv: Recv Error in RecvMessage
2023-12-25 19:02:05: SERVICE_FILESRV finished
2023-12-25 19:02:05: Started connection to SERVICE_COMMANDS

next it shows setting.cfg

and after
2023-12-25 19:02:05: rc=0 hasError=true state=0
2023-12-25 19:02:05: SERVICE_COMMANDS finished
2023-12-25 19:02:06: ClientService cmd: PONG
2023-12-25 19:02:06: rc=0 hasError=true state=3
2023-12-25 19:02:06: SERVICE_COMMANDS finished
2023-12-25 19:02:06: Started connection to SERVICE_COMMANDS
2023-12-25 19:02:06: ClientService cmd: #IdYFkkHrGfDhgAoKDONzv#1CHANNEL capa=4096&token=9vSBtVXmBQdEQpOmr3ck&restore_version=1&startup=1&virtual_client=
2023-12-25 19:02:06: New channel: Number of Channels: 1
2023-12-25 19:03:06: ClientService cmd: PONG
2023-12-25 19:04:06: ClientService cmd: PONG
2023-12-25 19:05:06: ClientService cmd: PONG
2023-12-25 19:06:06: ClientService cmd: PONG
2023-12-25 19:07:06: ClientService cmd: PONG
2023-12-25 19:08:06: ClientService cmd: PONG
2023-12-25 19:09:06: ClientService cmd: PONG
2023-12-25 19:10:06: ClientService cmd: PONG
2023-12-25 19:11:06: ClientService cmd: PONG
2023-12-25 19:12:06: ClientService cmd: PONG
2023-12-25 19:13:06: ClientService cmd: PONG
2023-12-25 19:14:06: ClientService cmd: PONG
2023-12-25 19:15:06: ClientService cmd: PONG
2023-12-25 19:16:06: ClientService cmd: PONG
2023-12-25 19:17:06: ClientService cmd: PONG
2023-12-25 19:18:06: ClientService cmd: PONG
2023-12-25 19:19:06: ClientService cmd: PONG
2023-12-25 19:20:06: ClientService cmd: PONG
2023-12-25 19:21:06: ClientService cmd: PONG
2023-12-25 19:22:06: ClientService cmd: PONG
2023-12-25 19:23:06: ClientService cmd: PONG
2023-12-25 19:24:06: ClientService cmd: PONG
2023-12-25 19:25:06: ClientService cmd: PONG
2023-12-25 19:26:06: ClientService cmd: PONG
2023-12-25 19:27:06: ClientService cmd: PONG
2023-12-25 19:28:06: ClientService cmd: PONG
2023-12-25 19:29:05: Looking for old Sessions… 0 sessions
2023-12-25 19:29:06: ClientService cmd: PONG
2023-12-25 19:30:06: ClientService cmd: PONG
2023-12-25 19:31:06: ClientService cmd: PONG
2023-12-25 19:32:06: ClientService cmd: PONG
"
Pong with no end… but no automatic backup start!

I don’t understand what is root cause of these
"
rc=0 hasError=true state=3
FileSrv: Recv Error in RecvMessage"
"

I reboot urbackupsrv machine, I systemctl restart urbackupclientbackend
No success !

Do you have any idea ?
Many thanks

For server, I try apt reinstall
For client, I try remove server_idents.txt file

No positive impact…
still no automatic backup !

I am having the same issue. We have 2 servers set up and one of them is working as expected, but the OTHER (with the same image backup settings) is not.

Is there anyone to help ?

The client will not automatically connect to 2 or more servers, only the first it finds in IP address order.
Your clients must be manually set up to connect to a second server.

See the following for instructions.

I was only saying I had 2 servers to show that it is not an obvious configuration issue. Each server has its own set of clients, they are not mixed, but only one of them is having backup issues.