RHEL 5.7 Yum配置本地源[Errno 2] No such file or directory

   在Red Hat Enterprise Linux Server release 5.7 上配置YUM本地源时，遇到了"Errno 5] OSError: [Errno 2] No such file or directory xxxx",花了点时间搞清楚错误的来龙去脉。特此记录一下：

将Redhat 5.7的光盘镜像拷贝到了/mnt/cdrom/LinuxSrc目录下，配置了rhel-media.repo文件，如下所示

[root@DB-Server yum.repos.d]# more rhel-media.repo 

[media]

name=Red Hat Enterprise Linux 5.7                                

baseurl=file:///mnt/cdrom/LinuxSrc                                         

enabled=1                                                         

gpgcheck=0                                                        

gpgkey=file:///mnt/cdrom/LinuxSrc/RPM-GPG-KEY-redhat-release