[CentOS] Having a problem with a yum repo

Mon Jun 15 00:22:40 UTC 2015
jd1008 <jd1008 at gmail.com>

yum update is giving me the following errors:

# yum -y install mplayer
Loaded plugins: fastestmirror, fs-snapshot, refresh-packagekit, security
Setting up Install Process
Loading mirror speeds from cached hostfile
epel/metalink |  12 kB     00:00
  * base: centos.sonn.com
  * c6-media:
  * elrepo: elrepo.org
  * epel: mirrors.tummy.com
  * extras: mirrors.xmission.com
  * rpmfusion-free-updates: mirror.nexcess.net
  * rpmfusion-nonfree-updates: mirror.nexcess.net
  * updates: mirror.keystealth.org
file:///media/CentOS/repodata/repomd.xml: [Errno 14] Could not open/read 
Trying other mirror.
file:///media/cdrecorder/repodata/repomd.xml: [Errno 14] Could not 
open/read file:///media/cdrecorder/repodata/repomd.xml
Trying other mirror.
file:///media/cdrom/repodata/repomd.xml: [Errno 14] Could not open/read 
Trying other mirror.
Error: Cannot retrieve repository metadata (repomd.xml) for repository: 
c6-media. Please verify its path and try again

So, does this mean the server is down?