linux-ext4 - Re: ext4 settings in an embedded system

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Message-ID: <1353321836.20111.36.camel@sauron.fi.intel.com>
Date:	Mon, 19 Nov 2012 12:43:56 +0200
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	"Ohlsson, Fredrik (GE Healthcare, consultant)" 
	<Fredrik.Ohlsson@...com>, linux-ext4@...r.kernel.org
Subject: Re: ext4 settings in an embedded system

On Fri, 2012-11-16 at 09:44 -0600, Eric Sandeen wrote:
> > I do not know for sure, but I doubt there is serious power-cut testing
> > regularly conducted for ext4, but people may correct me.
> 
> We do it here, though maybe not as regularly as we should.
> I also periodically test journal replay, but not in a way that simulates
> lost write caches or misbehaving hardware.  OTOH, those things are out
> of our control in the real world (if users disable barriers, or if the
> hardware lies to us).

Good to know, thanks. I actually now recall Josef mentioned that RedHad
does some power-cut testing.

> But you absolutely should test YOUR system, audit YOUR software, and
> YOUR configuration to be sure that it is behaving as you require.

Sure.

-- 
Best Regards,
Artem Bityutskiy

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