On Thu, Apr 25, 2024 at 03:27:29AM +0000, Martin wrote: > I eventually found out what was going on. > > The FreeBSD boot problem was not related at all. > > Long story short and for future reference, installboot needs > to be run on the softraid volume, NOT on the physical disk. And this > has to be repeated after a softraid volume rebuild in order for the new > disk to be bootable too. > > This cannot be done from the boot media, but one can boot from media > and then mount the softraid with the working disk and then chroot into > that and run 'installboot sd2' (or whatever device name the softraid > volume has). > > This was not obvious to me. Perhaps because with GRUB one has to install > the bootloader and boot code on each single disk in a mdadm volume and > not on the volume itself.
Ah, indeed. Thanks for reporting back with the solution. This should be obvious but it's understandable that new users might miss it. I checked, the softraid manual page already has an example installboot invocation in EXAMPLES, which should be clear enough.
