В системе 2 диска в RAID1. Ставлю grub нa sda все ок, на sdb
# grub-install /dev/sda Installing for i386-pc platform. Installation finished. No error reported. # grub-install /dev/sdb Installing for i386-pc platform. grub-install: warning: Attempting to install GRUB to a disk with multiple partition labels. This is not supported yet.. grub-install: error: embedding is not possible, but this is required for RAID and LVM install.
Два диска совершенно идентичные.
# fdisk /dev/sda Welcome to fdisk (util-linux 2.25.2). Changes will remain in memory only, until you decide to write them. Be careful before using the write command. Command (m for help): p Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disklabel type: dos Disk identifier: 0x60e716fb Device Boot Start End Sectors Size Id Type /dev/sda1 * 2048 1949609983 1949607936 929.7G fd Linux raid autodetect /dev/sda2 1949609984 1953523711 3913728 1.9G fd Linux raid autodetect Command (m for help): q # fdisk /dev/sdb Welcome to fdisk (util-linux 2.25.2). Changes will remain in memory only, until you decide to write them. Be careful before using the write command. Command (m for help): p Disk /dev/sdb: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disklabel type: dos Disk identifier: 0x1dac54e6 Device Boot Start End Sectors Size Id Type /dev/sdb1 * 2048 1949609983 1949607936 929.7G fd Linux raid autodetect /dev/sdb2 1949609984 1953523711 3913728 1.9G fd Linux raid autodetect Command (m for help): q