ERROR: 500 Server closed connection without sending any data back

[xuta.le]

Hi, all
My proxmox cluster have a strange problem.
From master, I see

root@master:/etc/pve# pveca -l
CID----IPADDRESS----ROLE-STATE--------UPTIME---LOAD----MEM---DISK
 1 : xxx.xxx.xxx.xx8  M     S   72 days 09:47   0.87    28%     7%
 2 : xxx.xxx.xxx.xx9  N     S   88 days 17:14   2.20    65%     7%
 3 : xxx.xxx.xxx.xx7  N     S  109 days 06:27   0.19    13%    18%
 4 : xxx.xxx.xxx.xx6  N     S  117 days 21:48   0.16    51%    21%
 5 : xxx.xxx.xxx.xx5  N     S   45 days 03:12   0.87    71%    16%
 6 : xxx.xxx.xxx.xx4  N     S   72 days 10:29   0.27    54%    16%
 7 : xxx.xxx.xxx.xx3  N     ERROR: 500 Server closed connection without sending any data back

 8 : xxx.xxx.xxx.xx2  N     S   10 days 20:45   0.12    51%    14%
root@master:/etc/pve#

I've tried re-create cluster but that is not help.

Pls help me.
Thank you so much.

 

[lflacayo]

Hi There,

I am seeing the same issues. I am also seeing a issue with SNMP on the VM's that are on that host. I am monitoring the VM's with CACTI, and if I migrate the Virtual Host from one cluster node to the other, snmp monitoring for the host work just fine. any Ideas?

Thank you in advance.

 

[dietmar]

what is the output of:

# pvesm list

on node 7?

Maybe some storage is not available there?

 

[xuta.le]

what is the output of:

# pvesm list

on node 7?

Maybe some storage is not available there?

root@node7:~# pvesm list
local    dir 0 1 9960805888 2158360340 22%
root@node7:~#

 

[dietmar]

and you can 'ssh' from node 1 to node 7 without using a password?

 

[xuta.le]

and you can 'ssh' from node 1 to node 7 without using a password?

Yes, ssh normally.

 

[dietmar]

All daemons are running? ('pvedaemon' and 'pvetunnel')

 

[xuta.le]

I've found source of the bug.
It was made by the file /etc/hosts that it was absent a line

xxx.xxx.xxx.xx3 node7.example.com node7 pvelocalhost

Thank you everyone for your help.