Re: Installboot uses wrong device for secondary boot loader

On 2018-04-29, Eric Zylstra <ezylstra@mac.com> wrote:
> I'm installing 6.3 on a RAID1. Install was fine until ending with an error message, "invalid boot record signature…".
>
> I manually ran installboot:
>>. installboot -v -r /mnt sd4
>
> Hand transcription:
>
> Using /mnt as root
> Installing bootstrap on /dev/rsd4c
> Using first-stage /mnt/usr/mdec/biosboot, second-stage /mnt/usr/mdec/boot
> sd4: softraid volume with 2 disk(s)
> sd4: installing boot loader on softraid volume
> /mnt/usr/mdec/boot is 6 blocks x 16384 bytes
> sd0a: installing boot blocks on /dev/rsd0c, part offset 144
> Master boot record (MBR) at sector 0
> Install boot: invalid boot record signature (0x0000) @ sector 0
>
> I did not typo the secondary boot block install. It attempts to install on sd0 instead of sd4 as specified in my command.

With softraid the bootblock is installed on all component disks of a raid1.

Since the installer doesn't directly support softraid...what did you type
earlier to prepare this?