From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp161.vfemail.net (smtp161.vfemail.net [146.59.185.161]) (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 1BF84EED8 for ; Mon, 16 Feb 2026 20:02:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=146.59.185.161 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771272124; cv=none; b=oapkMekTgnNX8oNHDXo6uczb2tqt03d/T6rGGafyrURWIYCpygo96maQsZvK7DgZX3CwyxXiiHkAXT0LDyWxfeuJLs5uJNqJd6go5CzQFyTlFE+//NeKSTUJE0YVwgviBZgKDYI+N0kWCnXkN1AgCPLSDF3ndvhpxhEn0JC0sHw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771272124; c=relaxed/simple; bh=u6aZNybuMrq3jVeLPgE2QgzeK8DTeDWh/3TZ/Zq0EMQ=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=kCniu+11a153VbnlspZJ75gAKJQxedAqkZ72DzcGB31SWabVHYKmTzJupFCc1ovNUTBDEG2AK+zeDSbrLCp2yWgLVLRFek8E6SG0lVoxr4KJw2zT/0SetVVTHmehPyr6q+SJXOf/1xmSCcRf8Z3MyrGWk1PSstuCgohlZZyOJSY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=vfemail.net; spf=pass smtp.mailfrom=vfemail.net; dkim=pass (1024-bit key) header.d=vfemail.net header.i=@vfemail.net header.b=mssFBsnP; arc=none smtp.client-ip=146.59.185.161 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=vfemail.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=vfemail.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=vfemail.net header.i=@vfemail.net header.b="mssFBsnP" Received: (qmail 1253 invoked from network); 16 Feb 2026 20:02:01 +0000 Received: from localhost (HELO nl101-3.vfemail.net) () by smtpout.vfemail.net with SMTP; 16 Feb 2026 20:02:01 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=vfemail.net; h=date:from :to:cc:subject:message-id:in-reply-to:references:mime-version :content-type:content-transfer-encoding; s=2018; bh=u6aZNybuMrq3 jVeLPgE2QgzeK8DTeDWh/3TZ/Zq0EMQ=; b=mssFBsnPD64Xg18rm/16T+NV/LgC b9tjJTRC0Po2wWFVpVb7Zk4S1dTZNTHGkSK3AkCErsw28Wg9pxQ54P8Ij1cwsbo1 Y1nzrf/cBB67ZlHTZrDNR7VQop5QJOr6MCPSlPc038++PZDw2t9ukwzeVg43hwJX rqiYcexy6yoLORk= Received: (qmail 17794 invoked from network); 16 Feb 2026 14:02:01 -0600 Received: by simscan 1.4.0 ppid: 17470, pid: 17683, t: 0.3202s scanners:none Received: from unknown (HELO bmwxMDEudmZlbWFpbC5uZXQ=) (aGdudGt3aXNAdmZlbWFpbC5uZXQ=@MjE3LjE4Mi4yMDYuNjY=) by nl101.vfemail.net with ESMTPA; 16 Feb 2026 20:02:00 -0000 Date: Mon, 16 Feb 2026 15:01:58 -0500 From: David Niklas To: Linux RAID Cc: Subject: Re: Cannot change RAID array check speed Message-ID: <20260216150158.4d94bb67@Core-Ultra-2-x20> In-Reply-To: <20260216101452.2f28a76b@Core-Ultra-2-x20> References: <20260215220843.6b28e632@Core-Ultra-2-x20> <20260216101452.2f28a76b@Core-Ultra-2-x20> X-Mailer: Claws Mail 4.3.1 (GTK 3.24.38; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-raid@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hey, I think I figured this out. I need to change it via the sync_speed_min/max. I can't used sync_speed anymore. Thanks guys! On Mon, 16 Feb 2026 10:14:52 -0500 simd@vfemail.net wrote: > It worked with LK 6.9 on Devuan (Debian Stretch) ASCII. >=20 > I upgraded the system, both HW and SW, to Daedalus and I had to go with > a newer kernel to use the newer Intel iGPU. I'm now on Devuan (Debian > Bookworm) Daedalus. >=20 > I used to change this value all the time to get the check done faster or > to slow it down because I needed to access the array. >=20 > Maybe it's a distro security policy? IDK. But as I said, I used to > change it all the time. That's why there's a sync_speed_min/max, or so > I thought. >=20 > Thanks, > David >=20 > PS: Accidentally sent to the user instead of to the list. Sorry. >=20 >=20 > On Mon, 16 Feb 2026 06:20:58 +0100 > Dragan Milivojevi=C4=87 wrote: > > When did that work? > > /sys/devices/virtual/ etc > > is readonly on 4.18, 6.12 and 6.18 (a few boxes that I have). > >=20 > >=20 > >=20 > > On Mon, 16 Feb 2026 at 04:15, David Niklas wrote: =20 > > > > > > Hello, > > > I upgraded my kernel from 6.9 to 6.17. They're both the "same" > > > custom config. I tried: > > > > > > # echo 200000 > /sys/devices/virtual/block/md7/md/sync_speed > > > bash: /sys/devices/virtual/block/md7/md/sync_speed: Permission > > > denied # id > > > uid=3D0(root) gid=3D0(root) groups=3D0(root) > > > > > > This used to work. Any ideas as to what I could have set wrong? I > > > haven't a clue! > > > > > > Is there a security debugging tool or a log-file I could use to > > > trace this down? > > > > > > Thanks, > > > David > > > =20 >=20 >=20