Answering Devin Reade gdr@gno.org (Thu, 15 Jan 2015 21:05:12 -0700):
Hi!
I've got a fresh CentOS 7 test machine, fully patched. The command: shutdown -h now surprisingly does not halt the machine. Instead it reboots it. WTF?
Maybe it helps to poweroff explicitly?
shutdown -hP now
I had the same problem on SUSE machines.
Cheers
Dirk