(I've obfuscated the sensitive data, the actual fqdn is resolvable via DNS)

I have the following configuration of storage daemon, please could you help me?

Storage {                             # definition of myself
  Name = mysd.example.com-sd
  Address =mysd.example.com
  SDPort = 9103                  # Director's port     
  WorkingDirectory = "/var/lib/bacula/working"
  Pid Directory = "/var/run"
  Maximum Concurrent Jobs = 20
}
Director {
  Name = dir
  Password = "zzzzz"
}
Director {
  Name = dir-mon
  Password = "zzzz"
  Monitor = yes
}
Device {
  Name = LTO5
  ###Media Type = LTO-4
  Media Type = LTO-5
  Archive Device = /dev/nst0
  AutomaticMount = yes;               # when device opened, read it
  AlwaysOpen = yes;
  RemovableMedia = yes;
  RandomAccess = no;
  Maximum Spool Size = 10gb
  Maximum Job Spool Size = 5gb
  Spool Directory = /extra/bacula_spool
  #Hardware End of Medium = no
  Fast Forward Space File = yes
  #Maximum Block Size = 262144
  #Maximum Network Buffer Size = 262144
  Maximum File Size = 5GB
  #Use MTIOCGET = no
 Alert Command = "sh -c 'smartctl -d scsi -H -l error /dev/sg6'" 
}
Messages {
  Name = Standard
  director =dir.example.com-dir = all
}