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From: Song Liu <song@kernel.org>
To: Alex Lyakas <alex.lyakas@zadara.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: [PATCH v2] md: upon assembling the array, consult the superblock of the freshest device
Date: Fri, 15 Dec 2023 15:30:11 -0800	[thread overview]
Message-ID: <CAPhsuW4C9qzDSoPjNWSK70y0jGcFU6h+LXGvXyyNmQNLmmqbHQ@mail.gmail.com> (raw)
In-Reply-To: <1702470271-16073-1-git-send-email-alex.lyakas@zadara.com>

On Wed, Dec 13, 2023 at 4:31 AM Alex Lyakas <alex.lyakas@zadara.com> wrote:
>
> Upon assembling the array, both kernel and mdadm allow the devices to have event
> counter difference of 1, and still consider them as up-to-date.
> However, a device whose event count is behind by 1, may in fact not be up-to-date,
> and array resync with such a device may cause data corruption.
> To avoid this, consult the superblock of the freshest device about the status
> of a device, whose event counter is behind by 1.
>
> Signed-off-by: Alex Lyakas <alex.lyakas@zadara.com>

Applied to md-next with some minor changes (format, commit log). Thanks!

Song

      reply	other threads:[~2023-12-15 23:30 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-13 12:24 [PATCH v2] md: upon assembling the array, consult the superblock of the freshest device Alex Lyakas
2023-12-15 23:30 ` Song Liu [this message]

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