[CentOS-mirror] Sync error occured since 13 hours ago

Fri May 29 06:09:16 UTC 2015
mirrors <mirrors at cmdgy.com>

This is sent from Chongqing University Open Source mirror( mirrors.cqu.edu.cn ).
Something went wrong while we did sync from CentOS today.
I've tried eu-msync, us-msync and msync.centos.org, neither of them works.
Output turned out to be:

 @ERROR: Unknown module 'CentOS'
rsync error: error starting client-server protocol (code 5) at main.c(1516) [Receiver=3.0.9]

Our server IP remains Are we removed from the whitelist?

Many thanks.
Chongqng University
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