Hi,

Is it possible for you to update the Scientific Linux 7 mirrorlist with 
all mirrors?

http://ftp.scientificlinux.org/linux/scientific/mirrorlist/sl-security-7.txt
http://ftp.scientificlinux.org/linux/scientific/mirrorlist/sl-fastbugs-7.txt
http://ftp.scientificlinux.org/linux/scientific/mirrorlist/sl-base-7.txt

The list currently contains no external mirror servers.

Thank you.

Best regards,

Morten