2013/10/26 Stefan Sperling <s...@openbsd.org>: > In 2011 as per log of /usr/src/sys/arch/i386/stand/installboot/installboot.c. > ---------------------------- > revision 1.56 > date: 2011/01/23 14:57:08; author: jsing; state: Exp; lines: +258 -34; > Add support to installboot(8) for installing biosboot(8) and boot(8) on > softraid volumes. If installboot is run on a softraid volume, a fake > single inode FFS filesystem is constructed to contain boot(8). This is > then installed onto the softraid volume via the BIOCINSTALLBOOT ioctl. > biosboot(8) is then patched and installed onto each disk that is a member > of the softraid volume.
I missed it, sorry for that. I used fstab from OpenBSD for edit MBR table and make Linux partition. Grub2 point directly into sd0 and now archlinux and OpenBSD works together in pace. Thanks.