diff -p -up ./rsnapshot-program.pl.tv ./rsnapshot-program.pl
--- ./rsnapshot-program.pl.tv	2008-06-24 15:59:34.000000000 +0200
+++ ./rsnapshot-program.pl	2008-06-24 16:00:07.000000000 +0200
@@ -46,6 +46,9 @@ use POSIX qw(locale_h);	# setlocale()
 use Fcntl;				# sysopen()
 use IO::File;			# recursive open in parse_config_file
 
+system('ionice', '-n', '7', '-p', $$);
+system('renice', '20', $$);
+
 ########################################
 ###           CPAN MODULES           ###
 ########################################