linux-kernel - Re: document ext3 requirements

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Message-ID: <20090106153020.GB13086@mit.edu>
Date:	Tue, 6 Jan 2009 10:30:20 -0500
From:	Theodore Tso <tytso@....edu>
To:	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Rob Landley <rob@...dley.net>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Pavel Machek <pavel@...e.cz>,
	Sitsofe Wheeler <sitsofe@...oo.com>,
	Duane Griffin <duaneg@...da.com>, Valdis.Kletnieks@...edu,
	Martin MOKREJŠ <mmokrejs@...osome.natur.cuni.cz>,
	kernel list <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>, mtk.manpages@...il.com,
	rdunlap@...otime.net, linux-doc@...r.kernel.org
Subject: Re: document ext3 requirements

On Tue, Jan 06, 2009 at 11:41:46AM +0100, Matthias Andree wrote:
> > Rob> Good to know, but "my laptop hard drive just died" is not the
> > Rob> optimal time to learn these sorts of things.
> > 
> > http://www.garloff.de/kurt/linux/ddrescue/
> 
> While nice, it does not reconfigure the block layer to reduce retries;
> at least not in a manner I see at a glance; no sysctl or SG_IO or ioctl
> or fcntl anywhere.

Well, Kurt Garloff wrote that program years and years ago.  I'm sure
if someone created patches he'd probably accept them, though.  It's
still the best program I've found for doing image backups in
catastrophic situations.

						- Ted
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