From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.flyingcircus.io (mail.flyingcircus.io [212.122.41.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D1082188CC8 for ; Thu, 8 Aug 2024 08:54:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.122.41.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723107250; cv=none; b=StHh1e6I8U2g445PX1dGlwKCQLWFM7gm3+1iI3nc0WGvgUvENsgtCNfTyfJ6VetKpw0/ScCoExPNLXwkd1yourj3vpCaihXDhGMPNeAsoL+kftDkZ2n7rEMugVrRZbxiRiGu6HWg4+s4orqddjIfGh76EGxDxIdmLdEzjbiOHg4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723107250; c=relaxed/simple; bh=mhkrNrscBtzK5StKoeTvqN1QxGewDI5VEdH6Iek/EIo=; h=Content-Type:Mime-Version:Subject:From:In-Reply-To:Date:Cc: Message-Id:References:To; b=fX+ROS7zwIu1B5mhZXDetGSGc7wJp/0NXkvG0br0a0agPV2OAlybF8DSgi3rVbIfn2j46WCG4f/BprJPL/RPTg3L1BoYgDQuZgm6woiQj0cllU9f2W+O5p11t5hdvI91JrqoVWKCjnJTIcGAl14TOtyo2SZUDZz46P0NQad/F9A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=flyingcircus.io; spf=pass smtp.mailfrom=flyingcircus.io; dkim=pass (1024-bit key) header.d=flyingcircus.io header.i=@flyingcircus.io header.b=d+rBcQRk; arc=none smtp.client-ip=212.122.41.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=flyingcircus.io Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flyingcircus.io Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=flyingcircus.io header.i=@flyingcircus.io header.b="d+rBcQRk" Content-Type: text/plain; charset=utf-8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=flyingcircus.io; s=mail; t=1723107244; bh=fDkm5+aEhfSYgDbMGqSYZbaw3erkzaOJH9Vc//wCxkA=; h=Subject:From:In-Reply-To:Date:Cc:References:To; b=d+rBcQRkrehDhJII1stCzV48EuR0J8QA22U6wZ+h+1ihDeoEPRtfF3CKaX2tbJGNH jffOzK5WdMGVVf5jW+HTknqeps4EfLQPilqnf6N3PJVsCIo0B0idOF4vGUTlnEHQ92 HEkCfXbr6lQWYy9GvovIDFOaFFtuq1MPwA64jtOM= Precedence: bulk X-Mailing-List: linux-raid@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3776.700.51\)) Subject: Re: PROBLEM: repeatable lockup on RAID-6 with LUKS dm-crypt on NVMe devices when rsyncing many files From: Christian Theune In-Reply-To: <4363F3A3-46C2-419E-B43A-4CDA8C293CEB@flyingcircus.io> Date: Thu, 8 Aug 2024 10:53:42 +0200 Cc: John Stoffel , "linux-raid@vger.kernel.org" , dm-devel@lists.linux.dev, "yukuai (C)" Content-Transfer-Encoding: quoted-printable Message-Id: References: <316050c6-fac2-b022-6350-eaedcc7d953a@huaweicloud.com> <58450ED6-EBC3-4770-9C5C-01ABB29468D6@flyingcircus.io> <22C5E55F-9C50-4DB7-B656-08BEC238C8A7@flyingcircus.io> <26291.57727.410499.243125@quad.stoffel.home> <2EE0A3CE-CFF2-460C-97CD-262D686BFA8C@flyingcircus.io> <1dfc4792-02b2-5b3c-c3d1-bf1b187a182e@huaweicloud.com> <4363F3A3-46C2-419E-B43A-4CDA8C293CEB@flyingcircus.io> To: Yu Kuai Hi, > On 8. Aug 2024, at 09:06, Christian Theune wrote: >>=20 >> 1) With the hangtaks, are the underlying disks idle?(By iostat). And = can >> you please collect /sys/block/[disk]/inflight for both raid and >> underlying disks. The underlying disks are completely idle, the md reports 100% = utilization: Device r/s rkB/s rrqm/s %rrqm r_await rareq-sz w/s = wkB/s wrqm/s %wrqm w_await wareq-sz d/s dkB/s drqm/s = %drqm d_await dareq-sz f/s f_await aqu-sz %util dm-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 100.00 dm-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 dm-2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 dm-3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 dm-4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 100.00 md127 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 100.00 nvme0n1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 nvme10n1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 nvme11n1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 nvme1n1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 nvme2n1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 nvme3n1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 nvme4n1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 nvme5n1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 nvme6n1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 nvme7n1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 nvme8n1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 nvme9n1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Inflight seems 0: $ cat /sys/block/nvme*/inflight 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 The md has 348 inflight: /sys/block/md127 0 348 Does this help for now? Liebe Gr=C3=BC=C3=9Fe, Christian Theune --=20 Christian Theune =C2=B7 ct@flyingcircus.io =C2=B7 +49 345 219401 0 Flying Circus Internet Operations GmbH =C2=B7 https://flyingcircus.io Leipziger Str. 70/71 =C2=B7 06108 Halle (Saale) =C2=B7 Deutschland HR Stendal HRB 21169 =C2=B7 Gesch=C3=A4ftsf=C3=BChrer: Christian Theune, = Christian Zagrodnick