problema con yum en centos 6

[Drewermerc]

hola bueno quisiera ver si me podrias ayudar ya que no encuntro la solucion mi problema es que al usar yum me dice esto.
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
epel/metalink | 10 kB 00:00
* base: centos.webxcreen.org
* c6-media:
* epel: mirror.prgmr.com
* extras: centos.webxcreen.org
* rpmforge: mirror.cpsc.ucalgary.ca
* rpmfusion-free-updates: mirrors.tummy.com
* rpmfusion-nonfree-updates: mirror.us.leaseweb.net
* updates: mirror.oss.ou.edu
file:///media/CentOS/repodata/repomd.xml: [Errno 14] Could not open/read file:///media/CentOS/repodata/repomd.xml
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 file:///media/cdrom/repodata/repomd.xml
Trying other mirror.
Error: Cannot retrieve repository metadata (repomd.xml) for repository: c6-media. Please verify its path and try again

ya intente editar el archivo
vi /etc/yum.repos.d/CentOS-Vault.repo
para cambiarle en el repo media en
enabled = 1 por 0
este es el contenido de mi archivo:

# CentOS-Vault.repo
#
# CentOS Vault holds packages from previous releases within the same CentOS Version
# these are packages obsoleted by the current release and should usually not
# be used in production
#-----------------

[C6.0-base]
name=CentOS-6.0 - Base
baseurl=http://vault.centos.org/6.0/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
enabled=0

[C6.0-updates]
name=CentOS-6.0 - Updates
baseurl=http://vault.centos.org/6.0/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
enabled=0


[C6.0-extras]
name=CentOS-6.0 - Extras
baseurl=http://vault.centos.org/6.0/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
enabled=0

[C6.0-contrib]
name=CentOS-6.0 - Contrib
baseurl=http://vault.centos.org/6.0/contrib/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
enabled=0

[C6.0-centosplus]
name=CentOS-6.0 - CentOSPlus
baseurl=http://vault.centos.org/6.0/centosplus/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
enabled=0
#-----------------



pero el problema es que no lo tengo asi que esa solucion no me sirvio.
tambien intente desabilitando el repo contrib pero no me funciono
yum -v update --disablerepo=contrib
bueno espero que me puedan ayudar