Install gentoo stage3 to SL3620-2S-LB2

My stardom SL3620-2S-LB2 now have gentoo-2008.0 stage3 chrooting.

After

emerge --sync

it suggests

emerge portage

then it shows below. Will come back later to check what it means


* Messages for package sys-apps/portage-2.1.6.4:

*
* In portage-2.1.6, the default behavior has changed for `emerge world`
* and `emerge system` commands. These commands will reinstall all
* packages from the given set unless an option such as --noreplace,
* --update, or --newuse is specified.
*
*
* For help with using portage please consult the Gentoo Handbook
* at http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?part=3
*
* GNU info directory index is up-to-date.
* IMPORTANT: 1 config files in '/etc' need updating.
* See the CONFIGURATION FILES section of the emerge
* man page to learn how to update config files.