resend from questions [Fwd: Catastrophic I/O error in root pool]

Hi,

perhaps I'll be more successful here - if you read questions@ too,
please excuse :-)

additional question: is it possible that what I describe below is a
result of an import attempt on linux (Fedora 34)?

thx
Michael

---------- Forwarded message ---------
From: Michael Schuster <michaelsprivate@gmail.com>
Date: Wed, Aug 10, 2022 at 10:57 PM
Subject: Catastrophic I/O error in root pool
To: questions <questions@freebsd.org>


Hi,

After several months of not booting my laptop with FreeBSD current
(been using linux off a different part of the same SSD), I attempted
to do so yesterday, only to be confronted with a boot failure and a
message about catastrophic I/O failure in the root pool (exact words
may be different, typing from memory).
Attempts to import the pool while booted from FreeBSD USB stick caused
the system to hang, also with the same message on the console.
Importing a different pool from the other SSD worked.

I then booted linux and ran "dd if=/dev/nvme... of=/dev/null" over the
complete partition w/o a single glitch. (I did NOT attempt to import
the pool here, that's caused a different sort of problem previously)

Finally, I installed and ran smartctl (still on linux), which -
although it doesn't know about my specific device - seemed to indicate
"no error".

Any data important to me is on the working pool, so I'm prepared to
overwrite the root pool, unless there's good reason not to (like a
simpler fix for the current situation :-) )

TIA for all and any hints, pointers, advice.
Michael


-- 
Michael Schuster
http://recursiveramblings.wordpress.com/
recursion, n: see 'recursion'