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Subject: Re: RAID5->RAID6 reshape remains stuck at 0% (does nothing, not even
 start)
To:     David Madore <david+ml@madore.org>,
        Linux RAID mailing-list <linux-raid@vger.kernel.org>
References: <20200930014032.pd4csjwu3m7uihin@achernar.gro-tsen.net>
From:   Wols Lists <antlists@youngman.org.uk>
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Date:   Wed, 30 Sep 2020 05:03:28 +0100
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On 30/09/20 02:40, David Madore wrote:
> I welcome any suggestions on how to investigate, work around, or fix
> this problem.

uname -a ???

mdadm --version ???

https://raid.wiki.kernel.org/index.php/Linux_Raid#When_Things_Go_Wrogn

I'm guessing you're on an older version of Ubuntu / Debian ?

If I've guessed wrong (or even right :-) give us the requested info and
we can dig further.

Cheers,
Wol