Re: EFI and zfs raid mirror partial fail (14.0 and RELENG_13)

On Fri, Dec 1, 2023, 2:54 PM mike tancsa <mike@sentex.net> wrote:

> On 12/1/2023 3:38 PM, mike tancsa wrote:
> > Was testing out a zfs mirror install and noticed that the install
> > process correctly sets up the same partition scheme on both drives,
> > but only formats and installs the efi boot files on the one disk. For
> > a proper mirror and protection, should not the second disk also have
> > the ability to boot ?
> >
> > Also a little problematic is that the fstab has /dev/gtp/efiboot0
> > mount automatically.  I would think it would be better to optionally
> > mount this. Otherwise, if that disk died, it would be stuck in single
> > user mode since it cant mount that disk.
> >
> Should have looked at open PRs. There is one from a while ago
>
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258987


I think you are right. Getting redundancy right is hard. We've not set a
pattern to use and updated our tooling to cope with it...

Warner


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