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Date:      Sun, 12 Jan 2025 21:37:56 +0000
From:      bugzilla-noreply@freebsd.org
To:        sysinstall@FreeBSD.org
Subject:   [Bug 262770] bsdinstall with EFI system partitions on multiple disks: only one ESP gains attention
Message-ID:  <bug-262770-8135-PxLG3KXCv2@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-262770-8135@https.bugs.freebsd.org/bugzilla/>
References:  <bug-262770-8135@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D262770

ctineo@digital-light.ch changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ctineo@digital-light.ch

--- Comment #5 from ctineo@digital-light.ch ---
Installed FreeBSD14.2p0 today (2025.01.12) on a machine in UEFI only mode (=
no
dual or BIOS boot option). And only one of the 2 disk zfs mirror (ada0) has=
 the
necessary 'stuff' in the EFI partition to boot if one of the two drives is
gone.

tried: dd if=3D/dev/ada0p1 of=3D/dev/ada1p1 bs64k

but booting on ada1 with ada0 disconnected resulted in an aborted boot

Before this bug is fixed (hopefully) and the installer does the right thing=
 and
makes all disks in a mirror bootable, is there a work-around? What can I do=
 to
my other disk to make the system boot if the other disk in the mirror
disappears?

for reference, here's the result of gpart show

root@ABCH040:~ # gpart show ada0 ada1
=3D>       40  125045344  ada0  GPT  (60G)
         40     532480     1  efi  (260M)
     532520       2008        - free -  (1.0M)
     534528  124510208     2  freebsd-zfs  (59G)
  125044736        648        - free -  (324K)

=3D>       40  125045344  ada1  GPT  (60G)
         40     532480     1  efi  (260M)
     532520       2008        - free -  (1.0M)
     534528  124510208     2  freebsd-zfs  (59G)
  125044736        648        - free -  (324K)

--=20
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