引用:file:///mnt/cdrom/repodata/repomd.xml: [Errno 5] OSError: [Errno 2] No such file or directory: '/mnt/cdrom/repodata/repomd.xml'
Trying other mirror.
Error: Cannot retrieve repository metadata (repomd.xml) for repository: ISO. Please verify its path and try again
请问到底怎么回事啊，本人菜鸟，忘高手指教啊，谢了