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From: "Jörn Engel" <joern@wohnheim.fh-wedel.de>
To: Junfeng Yang <yjf@stanford.edu>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	ext2-devel@lists.sourceforge.net, mc@stanford.edu,
	Madanlal S Musuvathi <madan@stanford.edu>,
	"David L. Dill" <dill@cs.stanford.edu>,
	Andrew Morton <akpm@osdl.org>,
	Marcelo Tosatti <marcelo@conectiva.com.br>
Subject: Re: [Ext2-devel] [CHECKER] warnings in fs/ext3/namei.c (2.4.19) where disk read errors get ignored, causing non-empty dir to be deleted
Date: Mon, 3 May 2004 19:33:20 +0200	[thread overview]
Message-ID: <20040503173320.GA10655@wohnheim.fh-wedel.de> (raw)
In-Reply-To: <20040503161606.GJ1334@schnapps.adilger.int>

On Mon, 3 May 2004 10:16:06 -0600, Andreas Dilger wrote:
> On May 03, 2004  16:10 +0200, Jörn Engel wrote:
> > 
> > Do you mind if I doubt the sanity of whoever made that decision?  When
> > my hard drive fails, I don't care about writing to the fs too much
> > anymore, I want to *notice* the failure early and to *read* as much as
> > possible, then put the drive on a pile for test hardware.
> 
> If that's what you want, then mount the filesystem with "errors=remount-ro"
> and you will get it.  You can even mount it with "errors=panic" so that the
> node reboots and does a full fsck immediately.  For users that have a few
> bad blocks on their disk and can't afford to throw the whole disk away this
> is a reasonable course of action.

Ok, "errors=remount-ro" is good enough for me.  For the record, do
non-historic disks with a few bad blocks still exist?  I though the
driver firmware already detected those and used spare blocks at one
side of the disk as a replacement.  Nicely visible when sequential
read performance over the whole disk has a few non-continuous spots.

Jörn

-- 
Geld macht nicht glücklich.
Glück macht nicht satt.

  reply	other threads:[~2004-05-03 17:34 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-27  6:41 Junfeng Yang
2004-04-27  7:44 ` [Ext2-devel] " Andreas Dilger
2004-05-03  9:59   ` Pavel Machek
2004-05-03 14:10   ` Jörn Engel
2004-05-03 16:16     ` Andreas Dilger
2004-05-03 17:33       ` Jörn Engel [this message]
2004-05-03 17:54         ` Andreas Dilger

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