From: Martin Wilck <martin.wilck@suse.com>
To: Kenta Akagi <k@mgml.me>, Xiao Ni <xiao@kernel.org>,
Li Nan <magiclinan@didiglobal.com>
Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org,
song@kernel.org, yukuai@fnnas.com, shli@fb.com,
mtkaczyk@kernel.org
Subject: Re: [PATCH v6 1/2] md: Don't set MD_BROKEN for RAID1 and RAID10 when using FailFast
Date: Wed, 23 Sep 2026 10:29:06 +0200 [thread overview]
Message-ID: <adf11fcf1435728f98b4f94c1821d86b83866c14.camel@suse.com> (raw)
In-Reply-To: <010601a0cc7347e3-ff9a517e-b03b-4de5-bd38-93b664f3425c-000000@ap-northeast-1.amazonses.com>
Hi Kenta,
On Wed, 2026-09-23 at 04:08 +0000, Kenta Akagi wrote:
>
>
> Hi Martin,
>
> I have not given up on it, but I have not managed to post v7 yet.
> I still think failfast should be usable even in setups like that.
>
> It has been a while, but I intend to resume work on it.
My thinking is that, in the fastfail case, code to prevent total
failure could be placed in the end-IO code code path, e.g. by
attempting a retry directly from the md layer when the last rdev fails,
instead of setting failing the device. But I haven't thought it
through.
Thanks
Martin
--
Dr. Martin Wilck <mwilck@suse.com>
SUSE Software Solutions Germany GmbH, Frankenstr. 146, 90461 Nürnberg,
Germany
Geschäftsführer: Stefan Gaiser, Jochen Jaser, Abhinav Puri (HRB
36809,AG Nürnberg)
next prev parent reply other threads:[~2026-09-23 8:29 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-05 14:40 [PATCH v6 0/2] Don't set MD_BROKEN on failfast bio failure Kenta Akagi
2026-01-05 14:40 ` [PATCH v6 1/2] md: Don't set MD_BROKEN for RAID1 and RAID10 when using FailFast Kenta Akagi
2026-01-06 2:57 ` Li Nan
2026-01-06 7:59 ` Xiao Ni
2026-01-06 9:11 ` Li Nan
2026-01-06 9:25 ` Xiao Ni
2026-01-06 11:14 ` Li Nan
2026-01-06 12:30 ` Kenta Akagi
2026-01-07 2:09 ` Li Nan
2026-01-07 3:35 ` Xiao Ni
2026-01-07 6:43 ` Kenta Akagi
2026-01-16 2:04 ` Kenta Akagi
2026-09-17 13:58 ` Martin Wilck
2026-09-23 4:08 ` Kenta Akagi
2026-09-23 8:29 ` Martin Wilck [this message]
2026-09-24 16:27 ` Kenta Akagi
2026-09-24 17:59 ` Martin Wilck
2026-01-05 14:40 ` [PATCH v6 2/2] md/raid10: fix failfast read error not rescheduled Kenta Akagi
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