my $MAX_RETRIES = 3;
foreach (@host) {
  foreach $attempt ( 1 .. $MAX_RETRIES ) {
    my $sock = IO::Socket::INET->new(PeerAddr => $_,
                                     PeerPort => $port,
                                     Proto    => 'tcp',
                                     timeout => '10')
                                     and $connected = 1;
    last if $connected;
  }
  unless $connected print "$_ is NOT connected.\n" && run_fix();
}