linux小白搭建yum仓库报错

[root@l cdrom]# yum makecache
Loaded plugins: fastestmirror
Determining fastest mirrors
 * c6-media: 
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.
c6-media                                | 4.0 kB     00:00 ... 
c6-media/group_gz                       | 220 kB     00:00 ... 
c6-media/filelists_db                   | 5.8 MB     00:00 ... 
c6-media/primary_db                     | 4.4 MB     00:00 ... 
c6-media/other_db                       | 2.7 MB     00:00 ... 
Metadata Cache Created
[root@l cdrom]# 
请问这是什么原因，是因为本地yum源出错吗？