Re: Raid and UEFI

[Dave Tyson <dtyson%anduin.org.uk@localhost>]

On Wednesday 30 Nov 2022 20:26:51 Rhialto wrote:
> On Sun 27 Nov 2022 at 23:10:45 +0000, Dave Tyson wrote:
> > Sadly I discovered that the HP Proliant microserver the installation
> > was for doesn't grok UEFI and only deals with bios booting. I did have
> > an attempt to get it to install with raid on gpt but then fell foul of
> > pr 44982. So for this system its back to traditional mbr layout...
> 
> NetBSD can boot from GPT disks even when booting using the  BIOS.
> See manual page gpt(8) subcommand "biosboot".
> On my machine, I have both biosboot and UEFI boot set up.
> 
> -Olaf.

 I have got GPT disks to boot fine with the biosboot command - that works for 
ordinary installs  on a single boot disk - but won't work if you want to use a 
raid boot over two physical disks as biosboot doesn't know how to step over 
the raid preamble according to pr44982

Dave