centos 6.5 usb 로 설치하는데 에러가 뜬다.Unable to read package metadata. This may be due to a missing repodata directory. Please ensure that your install tree has been correctly generated.Failure: repodata/6e147c9aea5bf4c0f1ba7ecf759ddd3a259003a7f12a5a74398c9f05d672573d-primary.sqlite.bz2 from anaconda-CentOS-201410241409.x86_64: [Errno 256] No more mirrors to try. http://pcservis.flimel.eu/error-with-ins..