[Bugs] [Bug 1451937] New: Cannot probe nodes on ubuntu 16.04 and not on centos 7.3

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1451937

            Bug ID: 1451937
           Summary: Cannot probe nodes on ubuntu 16.04 and not on centos
                    7.3
           Product: GlusterFS
           Version: 3.10
         Component: glusterd
          Severity: urgent
          Assignee: bugs at gluster.org
          Reporter: alexei at virtuman.com
                CC: bugs at gluster.org



Created attachment 1279831
  --> https://bugzilla.redhat.com/attachment.cgi?id=1279831&action=edit
/var/lib/glusterd/cli.log

Description of problem:
Trying to setup glusterfs cluster on centos7.3 machines and a separate cluster
on ubuntu 16.04 and getting the same failure when trying to probe a node

Version-Release number of selected component (if applicable):
so far tried 3.7.*, 3.8.*, 3.10.*

How reproducible:
Trying to get new cluster(s) deployed but can't get it to work on CentOS 7 and
not on Ubuntu 16.04

Steps to Reproduce:
1. Install glusterfs-server using yum or apt repository
2. start "service glusterd restart" or "service glusterfs-server restart" 
3. attempt to probe a peer with "gluster peer probe srv-eu1"

Actual results:
getting an immediate glusterfs server shut-down and this message in cli
"Connection failed. Please check if gluster daemon is operational."

file in /var/lib/glusterd/peers/* is create with the following content:
==============
> # cat /var/lib/glusterd/peers/srv-eu1
> uuid=00000000-0000-0000-0000-000000000000
> state=0
> hostname1=srv-eu1
==============
Unless file is deleted from this folder - service will not restart. After the
restart - if i try the same steps - it will continue to fail and will never
succeed in creating a cluster.


Expected results:
expected to see peer added to the cluster and the cluster start up.

Additional info:

All host nodes act as kubernetes nodes and have been configured using "kargo"
utility.

I already specified local hostname as 127.0.0.1 in /etc/hosts file. iptables is
fully open for communication between our hosts on all ports and telnet is able
to connect on port 24007 without any issues.

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