On Wed, Dec 15, 2010 at 9:01 PM, Bob Proulx <bob@proulx.com> wrote: > > I have not previously ever changed a hostname in /etc/mdadm/mdadm.conf > and not had a problem renaming systems. My mdadm.conf files don't > contain the actual hostname. Look up the HOSTNAME directive in the mdadm.conf man page. The default is "HOSTNAME <system>".