On Fri, Mar 03, 2017 at 01:27:20PM +0100, Eric Huiban wrote: > Hello, > > I should have miss something in the man pages with softraid and bioctl. But > i want to form a RAID 1 between two 3TB harddisk (2.7TiB) and it is acting > like 2TiB MBR disks with OpenBSD 6.0. > > fdisk -ig sd1 is OK.
Did you also use the -b option? The FAQ now lists the steps for EFI setups: http://www.openbsd.org/faq/faq14.html#softraid Did you see this already?

