CentOS 7: Grub2 does not find Windows partition

need to install ntfs-3g, then rerun grub2-config

bash call trace

http://www.skybert.net/unix/bash/serious-programming-in-bash/

Sata Drive Issue

http://lime-technology.com/wiki/index.php/The_Analysis_of_Drive_Issues#Drive_interface_issue_.232 https://ata.wiki.kernel.org/index.php/Libata_error_messages

Low Kernel Entropy

http://www.lincvz.info/2013/09/22/linux-low-entropy-pool-for-devrandom-after-system-upgrade/

PAM

http://www.linuxforums.org/articles/linux-basics-pluggable-authentication-modules-pam-_1491.html