The title says it all. There are currently no amd64 stage3 tarballs on this mirror.
Steps to Reproduce:
1.Go to ftp://ftp.ntua.gr/pub/linux/gentoo/
2.Try to find an amd64 stage 3 tarball
There was no tarball for amd64
There should be a tarball for amd64 arch.
Yup, community mirrors do not need to mirror every file. Please use a different mirror.