MySQL service shows started in pcs status, but service status show mysql is failed

Issue

• MySQL service is running in cluster on node1, but when check service status on node2 it is failed/not running.

# pcs status
[...]
Full list of resources:

 vmfence        (stonith:fence_vmware_soap):    Started Node1
 Resource Group: test_grp
     vgdata   (ocf::heartbeat:LVM):   Started Node2
     vglog    (ocf::heartbeat:LVM):   Started Node2
     mysql      (ocf::heartbeat:Filesystem):    Started Node2
     data     (ocf::heartbeat:Filesystem):    Started Node2
     log      (ocf::heartbeat:Filesystem):    Started Node2
     vip        (ocf::heartbeat:IPaddr2):       Started Node2
     mysqldb    (ocf::heartbeat:mysql): Started Node2

[...]

# systemctl status mysqld
  mysqld.service - MySQL Server
   Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Wed 2018-08-15 17:35:32 GMT; 18h ago
     Docs: man:mysqld(8)
           http://dev.mysql.com/doc/refman/en/using-systemd.html
  Process: 18828 ExecStart=/usr/sbin/mysqld $MYSQLD_OPTS (code=exited, status=1/FAILURE)
  Process: 18790 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)
 Main PID: 18828 (code=exited, status=1/FAILURE)
   Status: "SERVER_BOOTING"
    Error: 98 (Address already in use)

Aug 15 17:35:28 Node2.example.com systemd[1]: Starting MySQL Server...
Aug 15 17:35:32 Node2.example.com systemd[1]: mysqld.service: main process exited, code=exited, status=1/FAILURE
Aug 15 17:35:32 Node2.example.com systemd[1]: Failed to start MySQL Server.
Aug 15 17:35:32 Node2.example.com systemd[1]: Unit mysqld.service entered failed state.
Aug 15 17:35:32 Node2.example.com systemd[1]: mysqld.service failed.