linux-kernel - Re: Intel X25-E running Linux using XFS

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Message-ID: <49439FF9.50202@s5r6.in-berlin.de>
Date:	Sat, 13 Dec 2008 12:43:53 +0100
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	Justin Piszcz <jpiszcz@...idpixels.com>
CC:	Pavel Machek <pavel@...e.cz>,
	smartmontools-support@...ts.sourceforge.net,
	smartmontools-database-owner@...ts.sourceforge.net,
	linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org, xfs@....sgi.com,
	Alan Piszcz <ap@...arrain.com>
Subject: Re: Intel X25-E running Linux using XFS

Justin Piszcz wrote:
> On Fri, 12 Dec 2008, Pavel Machek wrote:
>> Actually I'd like to know... how does it behave during powerfails
>> while it is being written to?
>>
>> Flashes I seen (USB / SD) developed bad sectors in that case, and
>> ext2/ext3 can't handle that. (And I don't think xfs can handle that
>> either).
> 
> I have a UPS for all of my machines, so that will not be a problem in my
> case.

UPSs fail too.

...
> With barriers, presumably it would be safe

There are other opinions:  http://lwn.net/Articles/309576/
(Magnetic disks are discussed there.)
-- 
Stefan Richter
-=====-==--- ==-- -==-=
http://arcgraph.de/sr/
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