[Bug 287904] Most recent installer fails to flush pre-existing GPT labels

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 11 Jul 2025 16:54:47 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=287904

John Baldwin <jhb@FreeBSD.org> changed:

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                 CC|                            |jhb@FreeBSD.org

--- Comment #6 from John Baldwin <jhb@FreeBSD.org> ---
I have no idea why you would want to mirror swap, and mirroring the EFI
partition with geom_mirror seems really odd.  For that to work, you'd want the
entry in /etc/fstab for /boot/efi to be the mirror device
(/dev/gmirror/efiboot), not one of the underlying partitions
(/dev/gpt/efiboot0).  If the installer setup the mirror of the EFI partitions,
then the bug might just be that it wrote the wrong entry to /etc/fstab? 
Otherwise, how did you end up with mirrored EFI partitions?  Was that something
you explicitly asked for, or something you had setup in the past perhaps?

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