Can't connect to ihr-live :: ORA-12154: TNS:could not resolve service name (DBD ERROR: OCIServerAttach)

##</code><code>##

ihr-live =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL= TCP)(Host= skirlie)(port= 1521))
    (CONNECT_DATA = (SID = IHRLIVE))
  )

##</code><code>##

$dbh = DBI->connect('dbi:Oracle:ihr-live@ihr-live',"$uname","$password", {
               PrintError => 0,
               RaiseError => 0
               }