1、挂载问题解决

操作:

mount -o loop /data/CentOS-7.2-x86_64/CentOS-7-x86_64-DVD-1511.iso /data/CentOS-7.2-x86_64/DVD/

提示:

mount: could not find any free loop device

解决方法:

MAKEDEV -v /dev/loop
echo "MAKEDEV -v /dev/loop" >> /etc/rc.local

参阅文献:

http://devnull.typepad.com/devnull/2012/09/rhel6-mount-could-not-find-any-free-loop-device.html