On Thu, Oct 24, 2013 at 12:46:17PM -0600, Chris Murphy wrote: > On Oct 24, 2013, at 9:40 AM, Jeffrey Bastian <jbastian@xxxxxxxxxx> wrote: > > I have a system that corrupts the backup GPT on every reboot. > > Certain RAID implementations write metadata at the end of the disk and > step on the backup GPT in this manner. But that was on computers with > BIOS firmware that weren't GPT aware. UEFI firmware obviously should > be GPT aware so it'd be quite a bungling if its firmware RAID were > writing metadata where the backup GPT goes. But it's worth seeing if > the firmware is up to date. Reartes Guillermo mentioned the same thing with RAID in BZ 951244, so I checked my system UEFI settings and indeed it was configured for RAID. I switched it to AHCI and that solved the problem! No more backup GPT corruption! I switched it back to RAID just to be sure and the backup GPT was corrupt again. I guess I'll leave it in AHCI since I wasn't using the hardware RAID anyway. Thank you! Jeff -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct