Chris, Grub needs to be configured to boot of either drive, run the two install lines referenced in this doc and you should be good: http://www.dur.ac.uk/a.d.stribblehill/mirrored_grub.html Kevin On Tue, 2005-04-26 at 12:00 +0000, centos-request at centos.org wrote: > Date: Mon, 25 Apr 2005 22:25:26 -0400 > From: "Chris Mason" <lists at masonc.com> > Subject: RE: [CentOS] MIrrored drives won't boot after installation > To: "'CentOS mailing list'" <centos at centos.org> > Message-ID: <20050426023208.C929092C3FC at mercury.mason.home> > Content-Type: text/plain; charset="us-ascii" > > > When you configure the drives as RAID1 the installer never request where > > to install the boot record. If configuring with one drive (no raid) the > > installer will ask where to install the record. > > > > Gerald > > So how do I fix this? I really need to get a mirrored drive system up and > running. > > Chris Mason > US Number: (646)722-0001 US Fax (815)301-9759