linux-kernel - Re: XFS internal error xfs_da_do_buf(1) at line 2015 of file fs/xfs/xfs_da

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Message-id: <20090105051255.GD6165@tatooine.rebelbase.local>
Date:	Mon, 05 Jan 2009 06:12:55 +0100
From:	markus reichelt <ml@...eichelt.de>
To:	LKML Mailinglist <linux-kernel@...r.kernel.org>
Subject: Re: XFS internal error xfs_da_do_buf(1) at line 2015 of file
 fs/xfs/xfs_da_btree.c

* Alan Cox <alan@...rguk.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?

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