i mirror li prende da li (in fondo al make.conf )

# a current portage tree before it exits with an error. This allows
# for a more successful retrieval without user intervention most times.
#RSYNC_RETRIES="3"
GENTOO_MIRRORS="http://www.die.unipd.it/pub/Linux/distributions/gentoo-sources/ http://212.219.247.15/sites/www.ibiblio.org/gentoo/ http://212.219.247.14/sites/www.ibiblio.org/gentoo/ http://212.219.247.13/sites/www.ibiblio.org/gentoo/ http://212.219.247.17/sites/www.ibiblio.org/gentoo/ http://212.219.247.12/sites/www.ibiblio.org/gentoo/"