linux-kernel - RE: Software raid0 will crash the file-system, when each disk is 5TB

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Message-ID: <659F626D666070439A4A5965CD6EBF406B33ED@gazelle.ad.endace.com>
Date:	Thu, 17 May 2007 14:09:49 +1200
From:	"Jeff Zheng" <Jeff.Zheng@...ace.com>
To:	"Neil Brown" <neilb@...e.de>
Cc:	"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>,
	"Ingo Molnar" <mingo@...e.hu>, <linux-raid@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-fsdevel@...r.kernel.org>
Subject: RE: Software raid0 will crash the file-system, when each disk is 5TB


> The only difference of any significance between the working 
> and non-working configurations is that in the non-working, 
> the component devices are larger than 2Gig, and hence have 
> sector offsets greater than 32 bits.

Do u mean 2T here?, but in both configuartion, the component devices are
larger than 2T (2.25T&5.5T).
 
> This does cause a slightly different code path in one place, 
> but I cannot see it making a difference.  But maybe it does.
> 
> What architecture is this running on?
> What C compiler are you using?

I386(i686)
Gcc 4.0.2 20051125, 
Distro is Fedora core, we've tried fc4 and fc6.

> Can you try with this patch?  It is the only thing that I can 
> find that could conceivably go wrong.
> 

OK, I will try the patach and post the result.

Best Regards
Jeff Zheng

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