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From: Carlos Carvalho <carlos@fisica.ufpr.br>
To: Holger Kiehl <Holger.Kiehl@dwd.de>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
	linux-raid <linux-raid@vger.kernel.org>,
	linux-block@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
	linux-ext4@vger.kernel.org, Theodore Ts'o <tytso@mit.edu>
Subject: Re: Massive slowdown in kernels as of 6.x
Date: Mon, 6 May 2024 10:32:18 -0300	[thread overview]
Message-ID: <Zjjb4mjcnjxrPUw3@fisica.ufpr.br> (raw)
In-Reply-To: <1ebabc15-51a8-59f3-c813-4e65e897a373@diagnostix.dwd.de>

Holger Kiehl (Holger.Kiehl@dwd.de) wrote on Mon, May 06, 2024 at 08:31:37AM -03:
> Mounted as follows:
> 
>    /dev/md0 on /u2 type ext4 (rw,nodev,noatime,commit=600,stripe=640)

Sorry, missed that. You can try

# mount -o remount,stripe=0 /dev/md0

ext4 is known to have a problem with parity raid with the symptoms you
describe and the above remount works around it. raid10 doesn't have parity but
is stripped so the workaround might work.

      parent reply	other threads:[~2024-05-06 13:32 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-06 11:31 Massive slowdown in kernels as of 6.x Holger Kiehl
2024-05-06 11:47 ` Paul Menzel
2024-05-06 12:01 ` Dr. David Alan Gilbert
2024-05-06 12:02 ` Hannes Reinecke
2024-05-06 12:23 ` Carlos Carvalho
2024-05-06 13:32 ` Carlos Carvalho [this message]

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