>-----Original Message----- >From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On Behalf >Of m.r...@5-cent.us >Sent: Thursday, September 04, 2014 4:31 PM >To: CentOS mailing list >Subject: Re: [CentOS] *very* ugly mdadm issue [Solved, badly] > >Ok, folks, > > Here's the answer: making a software RAID on a bare drive with no GPT works > fine. If it has a GPT, and no partition, it fails on reboot, even with an > /etc/mdadm.conf. > > I've proved this: > first, I created the array on the bare drive, rebooted, and >/dev/md0 was there; > then, I used parted to create a gpt, then the array, reboot, no md0, > even with mdadm --assemble, even with /etc/mdadm.conf. > finally, I got rid of the disk label (parted to make an msdos label, > the zeroing out the beginning of the disk), and again made the RAID on the > bare drives, reboot, and md0 is there. > > So that's what killed me. Admins, take heed.... > mark
If you all would mind... Until I read this thread, I've never heard of building RAIDs on bare metal drives. I'm assuming no partition table, just a disk label? What is the advantage of doing this? Many thanks, Richard _______________________________________________ --- Richard Zimmerman Systems / Network Administrator River Bend Hose Specialty, Inc. 1111 S Main Street South Bend, IN 46601-3337 (574) 233-1133 (574) 280-7284 Fax _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
