Hi, The debuginfo repodata for C6 is missing: http://debuginfo.centos.org/6/x86_64/repodata/7a42847903e6a76f9397c0bc9aca6afbbef1f74c-filelists.sqlite.bz2: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found" Trying other mirror. Error: failure: repodata/7a42847903e6a76f9397c0bc9aca6afbbef1f74c-filelists.sqlite.bz2 from debug: [Errno 256] No more mirrors to try. Regards, Leonard. -- mount -t life -o ro /dev/dna /genetic/research