[Bug 117158] [zfs] [panic] zpool scrub causes panic if geli vdevs detach on last close

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=117158

pjd at FreeBSD.org changed:

           What    |Removed                     |Added
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           Assignee|freebsd-bugs at FreeBSD.org    |pjd at FreeBSD.org

Ben Woods <woodsb02 at gmail.com> changed:

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                 CC|                            |woodsb02 at gmail.com

--- Comment #2 from pjd at FreeBSD.org ---
Responsible Changed
From-To: freebsd-bugs->pjd

I'll take this one.

--- Comment #3 from Ben Woods <woodsb02 at gmail.com> ---
This bug bit me today - it is quite unnerving to watch your zpool go offline
due to unavailable devices, all from initiating a simply scrub!

However, I can confirm that a reboot recovered the zpool successfully, and
adding the following to /etc/rc.conf prevented it from happening again during
the next zpool scrub:
geli_autodetach="NO"

Note: I rebooted once more after adding that to /etc/rc.conf and before
initiating the next zpool scrub, just in case that configuration parameter is
only read at boot time or the time the geli is attached. Not sure if that was
required.

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