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From: markus reichelt <ml@mareichelt.de>
To: LKML Mailinglist <linux-kernel@vger.kernel.org>
Subject: Re: XFS internal error xfs_da_do_buf(1) at line 2015 of file fs/xfs/xfs_da_btree.c
Date: Mon, 05 Jan 2009 06:12:55 +0100	[thread overview]
Message-ID: <20090105051255.GD6165@tatooine.rebelbase.local> (raw)
In-Reply-To: <20090104114425.241f6630@lxorguk.ukuu.org.uk>

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* Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:

> > On Debian based systems you can add -W0 to /etc/default/hdparm
> > and it gets executed before the root filesystem is remounted
> > read-write, I'm not sure how other distributions handle it.
> 
> Generally they avoid setting -W0 because it ruins performance and
> can be very bad for disk lifetime. The barriers code is there for a
> reason.

First time I read about a possible negative impact of disabled
write-cache to disk lifetime. Do you know of an article for further
reading?

-- 
left blank, right bald

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      parent reply	other threads:[~2009-01-05  5:13 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-04  1:16 Adam Nielsen
2009-01-04  7:46 ` Christoph Hellwig
2009-01-04  9:03   ` Adam Nielsen
2009-01-04  9:23     ` Christoph Hellwig
2009-01-04 11:44       ` Alan Cox
2009-01-04 15:34         ` Christoph Hellwig
2009-01-04 15:50           ` Andi Kleen
2009-01-05  5:12         ` markus reichelt [this message]

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