用清华的服务器更新portage ,出错！

hustest

receiving file list ...
123314 files to consider
mkdir "/root/rsync://133.11.205.121/gentoo-portage" failed: No such file or directory
rsync error: error in file IO (code 11) at main.c(327)

!!! Rsync has reported that there is a File IO error. Normally
!!! this means your disk is full, but can be caused by corruption
!!! on the filesystem that contains PORTDIR. Please investigate
!!! and try again after the problem has been fixed.
!!! PORTDIR=/usr/portage

jjmmma

就是亚，怎么回事呢？