Re: grub install failing on md debian sparc64

[Pascal Hambourg]

Le 30/05/2018 à 04:28, Chris Ross a écrit :
> I've built a small software RAID1 on
> the first two disks, to be /boot, and plan the rest of the disks as a zraid
> volume.
>
> So, I have a md raid across two partitions on two sun-labeled disks.  Each
> looks:
>
> address@hidden:~# parted /dev/sda print
> Model: SEAGATE ST914603SSUN146G (scsi)
> Disk /dev/sda: 147GB
> Sector size (logical/physical): 512B/512B
> Partition Table: sun
> Disk Flags:
>
> Number  Start   End    Size   File system  Flags
>   1      8225kB  502MB  494MB  ext4         raid
>   2      502MB   147GB  146GB  zfs

Any reason for using md metadata 0.9 or 1.0 instead of the default 1.2 ?

> But, grub-install to /dev/sda1 (or /dev/sdb1) doesn't work.  I get the following
> error about md0, despite md0 clearly working, as I have it mounted in /boot
> in the chroot I'm operating in:
>
> address@hidden:~# grub-probe -d /dev/sda1
> ext2
> address@hidden:~# grub-install /dev/sda1
> Installing for sparc64-ieee1275 platform.
> grub-install: error: disk `md0' not found.

Shouldn't you install on /dev/md0 instead of /dev/sda1 ?
Is mdadm installed in the target system ?
What is the output of

grub-probe -t drive -d /dev/md0